[ALSA] Remove xxx_t typedefs: PCM OSS-emulation

Modules: ALSA<-OSS emulation

Remove xxx_t typedefs from the core PCM OSS-emulation codes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

9 files changed, 524 insertions, 511 deletions

diff --git a/sound/core/oss/copy.c b/sound/core/oss/copy.c
index edecbe7417bd..d6a04c2d5a75 100644
--- a/sound/core/oss/copy.c
+++ b/sound/core/oss/copy.c
@@ -25,9 +25,9 @@
 #include <sound/pcm.h>
 #include "pcm_plugin.h"
 
-static snd_pcm_sframes_t copy_transfer(snd_pcm_plugin_t *plugin,
-			     const snd_pcm_plugin_channel_t *src_channels,
-			     snd_pcm_plugin_channel_t *dst_channels,
+static snd_pcm_sframes_t copy_transfer(struct snd_pcm_plugin *plugin,
+			     const struct snd_pcm_plugin_channel *src_channels,
+			     struct snd_pcm_plugin_channel *dst_channels,
 			     snd_pcm_uframes_t frames)
 {
 	unsigned int channel;
@@ -58,13 +58,13 @@ static snd_pcm_sframes_t copy_transfer(snd_pcm_plugin_t *plugin,
 	return frames;
 }
 
-int snd_pcm_plugin_build_copy(snd_pcm_plug_t *plug,
-			      snd_pcm_plugin_format_t *src_format,
-			      snd_pcm_plugin_format_t *dst_format,
-			      snd_pcm_plugin_t **r_plugin)
+int snd_pcm_plugin_build_copy(struct snd_pcm_substream *plug,
+			      struct snd_pcm_plugin_format *src_format,
+			      struct snd_pcm_plugin_format *dst_format,
+			      struct snd_pcm_plugin **r_plugin)
 {
 	int err;
-	snd_pcm_plugin_t *plugin;
+	struct snd_pcm_plugin *plugin;
 	int width;
 
 	snd_assert(r_plugin != NULL, return -ENXIO);
diff --git a/sound/core/oss/io.c b/sound/core/oss/io.c
index 63eca9aec961..322702e05f3e 100644
--- a/sound/core/oss/io.c
+++ b/sound/core/oss/io.c
@@ -35,9 +35,9 @@
  *  Basic io plugin
  */
  
-static snd_pcm_sframes_t io_playback_transfer(snd_pcm_plugin_t *plugin,
-				    const snd_pcm_plugin_channel_t *src_channels,
-				    snd_pcm_plugin_channel_t *dst_channels,
+static snd_pcm_sframes_t io_playback_transfer(struct snd_pcm_plugin *plugin,
+				    const struct snd_pcm_plugin_channel *src_channels,
+				    struct snd_pcm_plugin_channel *dst_channels,
 				    snd_pcm_uframes_t frames)
 {
 	snd_assert(plugin != NULL, return -ENXIO);
@@ -58,9 +58,9 @@ static snd_pcm_sframes_t io_playback_transfer(snd_pcm_plugin_t *plugin,
 	}
 }
  
-static snd_pcm_sframes_t io_capture_transfer(snd_pcm_plugin_t *plugin,
-				   const snd_pcm_plugin_channel_t *src_channels,
-				   snd_pcm_plugin_channel_t *dst_channels,
+static snd_pcm_sframes_t io_capture_transfer(struct snd_pcm_plugin *plugin,
+				   const struct snd_pcm_plugin_channel *src_channels,
+				   struct snd_pcm_plugin_channel *dst_channels,
 				   snd_pcm_uframes_t frames)
 {
 	snd_assert(plugin != NULL, return -ENXIO);
@@ -82,13 +82,13 @@ static snd_pcm_sframes_t io_capture_transfer(snd_pcm_plugin_t *plugin,
 	return 0;
 }
  
-static snd_pcm_sframes_t io_src_channels(snd_pcm_plugin_t *plugin,
+static snd_pcm_sframes_t io_src_channels(struct snd_pcm_plugin *plugin,
 			     snd_pcm_uframes_t frames,
-			     snd_pcm_plugin_channel_t **channels)
+			     struct snd_pcm_plugin_channel **channels)
 {
 	int err;
 	unsigned int channel;
-	snd_pcm_plugin_channel_t *v;
+	struct snd_pcm_plugin_channel *v;
 	err = snd_pcm_plugin_client_channels(plugin, frames, &v);
 	if (err < 0)
 		return err;
@@ -100,13 +100,13 @@ static snd_pcm_sframes_t io_src_channels(snd_pcm_plugin_t *plugin,
 	return frames;
 }
 
-int snd_pcm_plugin_build_io(snd_pcm_plug_t *plug,
-			    snd_pcm_hw_params_t *params,
-			    snd_pcm_plugin_t **r_plugin)
+int snd_pcm_plugin_build_io(struct snd_pcm_substream *plug,
+			    struct snd_pcm_hw_params *params,
+			    struct snd_pcm_plugin **r_plugin)
 {
 	int err;
-	snd_pcm_plugin_format_t format;
-	snd_pcm_plugin_t *plugin;
+	struct snd_pcm_plugin_format format;
+	struct snd_pcm_plugin *plugin;
 
 	snd_assert(r_plugin != NULL, return -ENXIO);
 	*r_plugin = NULL;
diff --git a/sound/core/oss/linear.c b/sound/core/oss/linear.c
index 12ed27a57b27..8cbfa415ce40 100644
--- a/sound/core/oss/linear.c
+++ b/sound/core/oss/linear.c
@@ -30,19 +30,19 @@
  *  Basic linear conversion plugin
  */
  
-typedef struct linear_private_data {
+struct linear_priv {
 	int conv;
-} linear_t;
+};
 
-static void convert(snd_pcm_plugin_t *plugin,
-		    const snd_pcm_plugin_channel_t *src_channels,
-		    snd_pcm_plugin_channel_t *dst_channels,
+static void convert(struct snd_pcm_plugin *plugin,
+		    const struct snd_pcm_plugin_channel *src_channels,
+		    struct snd_pcm_plugin_channel *dst_channels,
 		    snd_pcm_uframes_t frames)
 {
 #define CONV_LABELS
 #include "plugin_ops.h"
 #undef CONV_LABELS
-	linear_t *data = (linear_t *)plugin->extra_data;
+	struct linear_priv *data = (struct linear_priv *)plugin->extra_data;
 	void *conv = conv_labels[data->conv];
 	int channel;
 	int nchannels = plugin->src_format.channels;
@@ -75,15 +75,15 @@ static void convert(snd_pcm_plugin_t *plugin,
 	}
 }
 
-static snd_pcm_sframes_t linear_transfer(snd_pcm_plugin_t *plugin,
-			       const snd_pcm_plugin_channel_t *src_channels,
-			       snd_pcm_plugin_channel_t *dst_channels,
+static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin,
+			       const struct snd_pcm_plugin_channel *src_channels,
+			       struct snd_pcm_plugin_channel *dst_channels,
 			       snd_pcm_uframes_t frames)
 {
-	linear_t *data;
+	struct linear_priv *data;
 
 	snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
-	data = (linear_t *)plugin->extra_data;
+	data = (struct linear_priv *)plugin->extra_data;
 	if (frames == 0)
 		return 0;
 #ifdef CONFIG_SND_DEBUG
@@ -128,14 +128,14 @@ int conv_index(int src_format, int dst_format)
 	return src_width * 32 + src_endian * 16 + sign * 8 + dst_width * 2 + dst_endian;
 }
 
-int snd_pcm_plugin_build_linear(snd_pcm_plug_t *plug,
-				snd_pcm_plugin_format_t *src_format,
-				snd_pcm_plugin_format_t *dst_format,
-				snd_pcm_plugin_t **r_plugin)
+int snd_pcm_plugin_build_linear(struct snd_pcm_substream *plug,
+				struct snd_pcm_plugin_format *src_format,
+				struct snd_pcm_plugin_format *dst_format,
+				struct snd_pcm_plugin **r_plugin)
 {
 	int err;
-	struct linear_private_data *data;
-	snd_pcm_plugin_t *plugin;
+	struct linear_priv *data;
+	struct snd_pcm_plugin *plugin;
 
 	snd_assert(r_plugin != NULL, return -ENXIO);
 	*r_plugin = NULL;
@@ -147,10 +147,10 @@ int snd_pcm_plugin_build_linear(snd_pcm_plug_t *plug,
 
 	err = snd_pcm_plugin_build(plug, "linear format conversion",
 				   src_format, dst_format,
-				   sizeof(linear_t), &plugin);
+				   sizeof(struct linear_priv), &plugin);
 	if (err < 0)
 		return err;
-	data = (linear_t *)plugin->extra_data;
+	data = (struct linear_priv *)plugin->extra_data;
 	data->conv = conv_index(src_format->format, dst_format->format);
 	plugin->transfer = linear_transfer;
 	*r_plugin = plugin;
diff --git a/sound/core/oss/mulaw.c b/sound/core/oss/mulaw.c
index 44ec4c66eb19..14f5578ec7a7 100644
--- a/sound/core/oss/mulaw.c
+++ b/sound/core/oss/mulaw.c
@@ -139,25 +139,25 @@ static int ulaw2linear(unsigned char u_val)
  *  Basic Mu-Law plugin
  */
 
-typedef void (*mulaw_f)(snd_pcm_plugin_t *plugin,
-			const snd_pcm_plugin_channel_t *src_channels,
-			snd_pcm_plugin_channel_t *dst_channels,
+typedef void (*mulaw_f)(struct snd_pcm_plugin *plugin,
+			const struct snd_pcm_plugin_channel *src_channels,
+			struct snd_pcm_plugin_channel *dst_channels,
 			snd_pcm_uframes_t frames);
 
-typedef struct mulaw_private_data {
+struct mulaw_priv {
 	mulaw_f func;
 	int conv;
-} mulaw_t;
+};
 
-static void mulaw_decode(snd_pcm_plugin_t *plugin,
-			const snd_pcm_plugin_channel_t *src_channels,
-			snd_pcm_plugin_channel_t *dst_channels,
+static void mulaw_decode(struct snd_pcm_plugin *plugin,
+			const struct snd_pcm_plugin_channel *src_channels,
+			struct snd_pcm_plugin_channel *dst_channels,
 			snd_pcm_uframes_t frames)
 {
 #define PUT_S16_LABELS
 #include "plugin_ops.h"
 #undef PUT_S16_LABELS
-	mulaw_t *data = (mulaw_t *)plugin->extra_data;
+	struct mulaw_priv *data = (struct mulaw_priv *)plugin->extra_data;
 	void *put = put_s16_labels[data->conv];
 	int channel;
 	int nchannels = plugin->src_format.channels;
@@ -191,15 +191,15 @@ static void mulaw_decode(snd_pcm_plugin_t *plugin,
 	}
 }
 
-static void mulaw_encode(snd_pcm_plugin_t *plugin,
-			const snd_pcm_plugin_channel_t *src_channels,
-			snd_pcm_plugin_channel_t *dst_channels,
+static void mulaw_encode(struct snd_pcm_plugin *plugin,
+			const struct snd_pcm_plugin_channel *src_channels,
+			struct snd_pcm_plugin_channel *dst_channels,
 			snd_pcm_uframes_t frames)
 {
 #define GET_S16_LABELS
 #include "plugin_ops.h"
 #undef GET_S16_LABELS
-	mulaw_t *data = (mulaw_t *)plugin->extra_data;
+	struct mulaw_priv *data = (struct mulaw_priv *)plugin->extra_data;
 	void *get = get_s16_labels[data->conv];
 	int channel;
 	int nchannels = plugin->src_format.channels;
@@ -234,12 +234,12 @@ static void mulaw_encode(snd_pcm_plugin_t *plugin,
 	}
 }
 
-static snd_pcm_sframes_t mulaw_transfer(snd_pcm_plugin_t *plugin,
-			      const snd_pcm_plugin_channel_t *src_channels,
-			      snd_pcm_plugin_channel_t *dst_channels,
+static snd_pcm_sframes_t mulaw_transfer(struct snd_pcm_plugin *plugin,
+			      const struct snd_pcm_plugin_channel *src_channels,
+			      struct snd_pcm_plugin_channel *dst_channels,
 			      snd_pcm_uframes_t frames)
 {
-	mulaw_t *data;
+	struct mulaw_priv *data;
 
 	snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
 	if (frames == 0)
@@ -257,20 +257,20 @@ static snd_pcm_sframes_t mulaw_transfer(snd_pcm_plugin_t *plugin,
 		}
 	}
 #endif
-	data = (mulaw_t *)plugin->extra_data;
+	data = (struct mulaw_priv *)plugin->extra_data;
 	data->func(plugin, src_channels, dst_channels, frames);
 	return frames;
 }
 
-int snd_pcm_plugin_build_mulaw(snd_pcm_plug_t *plug,
-			       snd_pcm_plugin_format_t *src_format,
-			       snd_pcm_plugin_format_t *dst_format,
-			       snd_pcm_plugin_t **r_plugin)
+int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug,
+			       struct snd_pcm_plugin_format *src_format,
+			       struct snd_pcm_plugin_format *dst_format,
+			       struct snd_pcm_plugin **r_plugin)
 {
 	int err;
-	mulaw_t *data;
-	snd_pcm_plugin_t *plugin;
-	snd_pcm_plugin_format_t *format;
+	struct mulaw_priv *data;
+	struct snd_pcm_plugin *plugin;
+	struct snd_pcm_plugin_format *format;
 	mulaw_f func;
 
 	snd_assert(r_plugin != NULL, return -ENXIO);
@@ -295,10 +295,10 @@ int snd_pcm_plugin_build_mulaw(snd_pcm_plug_t *plug,
 
 	err = snd_pcm_plugin_build(plug, "Mu-Law<->linear conversion",
 				   src_format, dst_format,
-				   sizeof(mulaw_t), &plugin);
+				   sizeof(struct mulaw_priv), &plugin);
 	if (err < 0)
 		return err;
-	data = (mulaw_t*)plugin->extra_data;
+	data = (struct mulaw_priv *)plugin->extra_data;
 	data->func = func;
 	data->conv = getput_index(format->format);
 	snd_assert(data->conv >= 0 && data->conv < 4*2*2, return -EINVAL);
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index bcc970759134..ffc13b9194b7 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -61,10 +61,10 @@ MODULE_PARM_DESC(nonblock_open, "Don't block opening busy PCM devices.");
 MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_PCM);
 MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_PCM1);
 
-extern int snd_mixer_oss_ioctl_card(snd_card_t *card, unsigned int cmd, unsigned long arg);
-static int snd_pcm_oss_get_rate(snd_pcm_oss_file_t *pcm_oss_file);
-static int snd_pcm_oss_get_channels(snd_pcm_oss_file_t *pcm_oss_file);
-static int snd_pcm_oss_get_format(snd_pcm_oss_file_t *pcm_oss_file);
+extern int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned long arg);
+static int snd_pcm_oss_get_rate(struct snd_pcm_oss_file *pcm_oss_file);
+static int snd_pcm_oss_get_channels(struct snd_pcm_oss_file *pcm_oss_file);
+static int snd_pcm_oss_get_format(struct snd_pcm_oss_file *pcm_oss_file);
 
 static inline mm_segment_t snd_enter_user(void)
 {
@@ -78,10 +78,10 @@ static inline void snd_leave_user(mm_segment_t fs)
 	set_fs(fs);
 }
 
-static int snd_pcm_oss_plugin_clear(snd_pcm_substream_t *substream)
+static int snd_pcm_oss_plugin_clear(struct snd_pcm_substream *substream)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_pcm_plugin_t *plugin, *next;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_pcm_plugin *plugin, *next;
 	
 	plugin = runtime->oss.plugin_first;
 	while (plugin) {
@@ -93,9 +93,9 @@ static int snd_pcm_oss_plugin_clear(snd_pcm_substream_t *substream)
 	return 0;
 }
 
-static int snd_pcm_plugin_insert(snd_pcm_plugin_t *plugin)
+static int snd_pcm_plugin_insert(struct snd_pcm_plugin *plugin)
 {
-	snd_pcm_runtime_t *runtime = plugin->plug->runtime;
+	struct snd_pcm_runtime *runtime = plugin->plug->runtime;
 	plugin->next = runtime->oss.plugin_first;
 	plugin->prev = NULL;
 	if (runtime->oss.plugin_first) {
@@ -108,9 +108,9 @@ static int snd_pcm_plugin_insert(snd_pcm_plugin_t *plugin)
 	return 0;
 }
 
-int snd_pcm_plugin_append(snd_pcm_plugin_t *plugin)
+int snd_pcm_plugin_append(struct snd_pcm_plugin *plugin)
 {
-	snd_pcm_runtime_t *runtime = plugin->plug->runtime;
+	struct snd_pcm_runtime *runtime = plugin->plug->runtime;
 	plugin->next = NULL;
 	plugin->prev = runtime->oss.plugin_last;
 	if (runtime->oss.plugin_last) {
@@ -123,9 +123,9 @@ int snd_pcm_plugin_append(snd_pcm_plugin_t *plugin)
 	return 0;
 }
 
-static long snd_pcm_oss_bytes(snd_pcm_substream_t *substream, long frames)
+static long snd_pcm_oss_bytes(struct snd_pcm_substream *substream, long frames)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	long buffer_size = snd_pcm_lib_buffer_bytes(substream);
 	long bytes = frames_to_bytes(runtime, frames);
 	if (buffer_size == runtime->oss.buffer_bytes)
@@ -142,9 +142,9 @@ static long snd_pcm_oss_bytes(snd_pcm_substream_t *substream, long frames)
 #endif
 }
 
-static long snd_pcm_alsa_frames(snd_pcm_substream_t *substream, long bytes)
+static long snd_pcm_alsa_frames(struct snd_pcm_substream *substream, long bytes)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	long buffer_size = snd_pcm_lib_buffer_bytes(substream);
 	if (buffer_size == runtime->oss.buffer_bytes)
 		return bytes_to_frames(runtime, bytes);
@@ -185,14 +185,14 @@ static int snd_pcm_oss_format_to(int format)
 	}
 }
 
-static int snd_pcm_oss_period_size(snd_pcm_substream_t *substream, 
-				   snd_pcm_hw_params_t *oss_params,
-				   snd_pcm_hw_params_t *slave_params)
+static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, 
+				   struct snd_pcm_hw_params *oss_params,
+				   struct snd_pcm_hw_params *slave_params)
 {
 	size_t s;
 	size_t oss_buffer_size, oss_period_size, oss_periods;
 	size_t min_period_size, max_period_size;
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	size_t oss_frame_size;
 
 	oss_frame_size = snd_pcm_format_physical_width(params_format(oss_params)) *
@@ -277,11 +277,11 @@ static int snd_pcm_oss_period_size(snd_pcm_substream_t *substream,
 	return 0;
 }
 
-static int choose_rate(snd_pcm_substream_t *substream,
-		       snd_pcm_hw_params_t *params, unsigned int best_rate)
+static int choose_rate(struct snd_pcm_substream *substream,
+		       struct snd_pcm_hw_params *params, unsigned int best_rate)
 {
-	snd_interval_t *it;
-	snd_pcm_hw_params_t *save;
+	struct snd_interval *it;
+	struct snd_pcm_hw_params *save;
 	unsigned int rate, prev;
 
 	save = kmalloc(sizeof(*save), GFP_KERNEL);
@@ -317,18 +317,18 @@ static int choose_rate(snd_pcm_substream_t *substream,
 	return snd_pcm_hw_param_near(substream, params, SNDRV_PCM_HW_PARAM_RATE, best_rate, NULL);
 }
 
-static int snd_pcm_oss_change_params(snd_pcm_substream_t *substream)
+static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_pcm_hw_params_t *params, *sparams;
-	snd_pcm_sw_params_t *sw_params;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_pcm_hw_params *params, *sparams;
+	struct snd_pcm_sw_params *sw_params;
 	ssize_t oss_buffer_size, oss_period_size;
 	size_t oss_frame_size;
 	int err;
 	int direct;
 	int format, sformat, n;
-	snd_mask_t sformat_mask;
-	snd_mask_t mask;
+	struct snd_mask sformat_mask;
+	struct snd_mask mask;
 
 	sw_params = kmalloc(sizeof(*sw_params), GFP_KERNEL);
 	params = kmalloc(sizeof(*params), GFP_KERNEL);
@@ -342,7 +342,7 @@ static int snd_pcm_oss_change_params(snd_pcm_substream_t *substream)
 	if (atomic_read(&runtime->mmap_count)) {
 		direct = 1;
 	} else {
-		snd_pcm_oss_setup_t *setup = substream->oss.setup;
+		struct snd_pcm_oss_setup *setup = substream->oss.setup;
 		direct = (setup != NULL && setup->direct);
 	}
 
@@ -424,7 +424,7 @@ static int snd_pcm_oss_change_params(snd_pcm_substream_t *substream)
 			goto failure;
 		}
 		if (runtime->oss.plugin_first) {
-			snd_pcm_plugin_t *plugin;
+			struct snd_pcm_plugin *plugin;
 			if ((err = snd_pcm_plugin_build_io(substream, sparams, &plugin)) < 0) {
 				snd_printd("snd_pcm_plugin_build_io failed: %i\n", err);
 				snd_pcm_oss_plugin_clear(substream);
@@ -540,10 +540,10 @@ failure:
 	return err;
 }
 
-static int snd_pcm_oss_get_active_substream(snd_pcm_oss_file_t *pcm_oss_file, snd_pcm_substream_t **r_substream)
+static int snd_pcm_oss_get_active_substream(struct snd_pcm_oss_file *pcm_oss_file, struct snd_pcm_substream **r_substream)
 {
 	int idx, err;
-	snd_pcm_substream_t *asubstream = NULL, *substream;
+	struct snd_pcm_substream *asubstream = NULL, *substream;
 
 	for (idx = 0; idx < 2; idx++) {
 		substream = pcm_oss_file->streams[idx];
@@ -563,10 +563,10 @@ static int snd_pcm_oss_get_active_substream(snd_pcm_oss_file_t *pcm_oss_file, sn
 	return 0;
 }
 
-static int snd_pcm_oss_prepare(snd_pcm_substream_t *substream)
+static int snd_pcm_oss_prepare(struct snd_pcm_substream *substream)
 {
 	int err;
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 
 	err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_PREPARE, NULL);
 	if (err < 0) {
@@ -581,9 +581,9 @@ static int snd_pcm_oss_prepare(snd_pcm_substream_t *substream)
 	return 0;
 }
 
-static int snd_pcm_oss_make_ready(snd_pcm_substream_t *substream)
+static int snd_pcm_oss_make_ready(struct snd_pcm_substream *substream)
 {
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_runtime *runtime;
 	int err;
 
 	if (substream == NULL)
@@ -602,9 +602,9 @@ static int snd_pcm_oss_make_ready(snd_pcm_substream_t *substream)
 	return 0;
 }
 
-static int snd_pcm_oss_capture_position_fixup(snd_pcm_substream_t *substream, snd_pcm_sframes_t *delay)
+static int snd_pcm_oss_capture_position_fixup(struct snd_pcm_substream *substream, snd_pcm_sframes_t *delay)
 {
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_runtime *runtime;
 	snd_pcm_uframes_t frames;
 	int err = 0;
 
@@ -627,9 +627,9 @@ static int snd_pcm_oss_capture_position_fixup(snd_pcm_substream_t *substream, sn
 	return err;
 }
 
-snd_pcm_sframes_t snd_pcm_oss_write3(snd_pcm_substream_t *substream, const char *ptr, snd_pcm_uframes_t frames, int in_kernel)
+snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, const char *ptr, snd_pcm_uframes_t frames, int in_kernel)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	int ret;
 	while (1) {
 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||
@@ -662,9 +662,9 @@ snd_pcm_sframes_t snd_pcm_oss_write3(snd_pcm_substream_t *substream, const char
 	return ret;
 }
 
-snd_pcm_sframes_t snd_pcm_oss_read3(snd_pcm_substream_t *substream, char *ptr, snd_pcm_uframes_t frames, int in_kernel)
+snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *ptr, snd_pcm_uframes_t frames, int in_kernel)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	snd_pcm_sframes_t delay;
 	int ret;
 	while (1) {
@@ -709,9 +709,9 @@ snd_pcm_sframes_t snd_pcm_oss_read3(snd_pcm_substream_t *substream, char *ptr, s
 	return ret;
 }
 
-snd_pcm_sframes_t snd_pcm_oss_writev3(snd_pcm_substream_t *substream, void **bufs, snd_pcm_uframes_t frames, int in_kernel)
+snd_pcm_sframes_t snd_pcm_oss_writev3(struct snd_pcm_substream *substream, void **bufs, snd_pcm_uframes_t frames, int in_kernel)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	int ret;
 	while (1) {
 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||
@@ -745,9 +745,9 @@ snd_pcm_sframes_t snd_pcm_oss_writev3(snd_pcm_substream_t *substream, void **buf
 	return ret;
 }
 	
-snd_pcm_sframes_t snd_pcm_oss_readv3(snd_pcm_substream_t *substream, void **bufs, snd_pcm_uframes_t frames, int in_kernel)
+snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream, void **bufs, snd_pcm_uframes_t frames, int in_kernel)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	int ret;
 	while (1) {
 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||
@@ -780,12 +780,12 @@ snd_pcm_sframes_t snd_pcm_oss_readv3(snd_pcm_substream_t *substream, void **bufs
 	return ret;
 }
 
-static ssize_t snd_pcm_oss_write2(snd_pcm_substream_t *substream, const char *buf, size_t bytes, int in_kernel)
+static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const char *buf, size_t bytes, int in_kernel)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	snd_pcm_sframes_t frames, frames1;
 	if (runtime->oss.plugin_first) {
-		snd_pcm_plugin_channel_t *channels;
+		struct snd_pcm_plugin_channel *channels;
 		size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_format.channels) / 8;
 		if (!in_kernel) {
 			if (copy_from_user(runtime->oss.buffer, (const char __user *)buf, bytes))
@@ -810,11 +810,11 @@ static ssize_t snd_pcm_oss_write2(snd_pcm_substream_t *substream, const char *bu
 	return bytes;
 }
 
-static ssize_t snd_pcm_oss_write1(snd_pcm_substream_t *substream, const char __user *buf, size_t bytes)
+static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const char __user *buf, size_t bytes)
 {
 	size_t xfer = 0;
 	ssize_t tmp;
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 
 	if (atomic_read(&runtime->mmap_count))
 		return -ENXIO;
@@ -867,13 +867,13 @@ static ssize_t snd_pcm_oss_write1(snd_pcm_substream_t *substream, const char __u
 	return xfer;
 }
 
-static ssize_t snd_pcm_oss_read2(snd_pcm_substream_t *substream, char *buf, size_t bytes, int in_kernel)
+static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf, size_t bytes, int in_kernel)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	snd_pcm_sframes_t frames, frames1;
 	char __user *final_dst = (char __user *)buf;
 	if (runtime->oss.plugin_first) {
-		snd_pcm_plugin_channel_t *channels;
+		struct snd_pcm_plugin_channel *channels;
 		size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_format.channels) / 8;
 		if (!in_kernel)
 			buf = runtime->oss.buffer;
@@ -897,11 +897,11 @@ static ssize_t snd_pcm_oss_read2(snd_pcm_substream_t *substream, char *buf, size
 	return bytes;
 }
 
-static ssize_t snd_pcm_oss_read1(snd_pcm_substream_t *substream, char __user *buf, size_t bytes)
+static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __user *buf, size_t bytes)
 {
 	size_t xfer = 0;
 	ssize_t tmp;
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 
 	if (atomic_read(&runtime->mmap_count))
 		return -ENXIO;
@@ -941,9 +941,9 @@ static ssize_t snd_pcm_oss_read1(snd_pcm_substream_t *substream, char __user *bu
 	return xfer;
 }
 
-static int snd_pcm_oss_reset(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_reset(struct snd_pcm_oss_file *pcm_oss_file)
 {
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_substream *substream;
 
 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
 	if (substream != NULL) {
@@ -958,9 +958,9 @@ static int snd_pcm_oss_reset(snd_pcm_oss_file_t *pcm_oss_file)
 	return 0;
 }
 
-static int snd_pcm_oss_post(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_post(struct snd_pcm_oss_file *pcm_oss_file)
 {
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_substream *substream;
 	int err;
 
 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
@@ -974,9 +974,9 @@ static int snd_pcm_oss_post(snd_pcm_oss_file_t *pcm_oss_file)
 	return 0;
 }
 
-static int snd_pcm_oss_sync1(snd_pcm_substream_t *substream, size_t size)
+static int snd_pcm_oss_sync1(struct snd_pcm_substream *substream, size_t size)
 {
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_runtime *runtime;
 	ssize_t result = 0;
 	long res;
 	wait_queue_t wait;
@@ -1020,12 +1020,12 @@ static int snd_pcm_oss_sync1(snd_pcm_substream_t *substream, size_t size)
 	return result;
 }
 
-static int snd_pcm_oss_sync(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
 {
 	int err = 0;
 	unsigned int saved_f_flags;
-	snd_pcm_substream_t *substream;
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_substream *substream;
+	struct snd_pcm_runtime *runtime;
 	snd_pcm_format_t format;
 	unsigned long width;
 	size_t size;
@@ -1117,13 +1117,13 @@ static int snd_pcm_oss_sync(snd_pcm_oss_file_t *pcm_oss_file)
 	return 0;
 }
 
-static int snd_pcm_oss_set_rate(snd_pcm_oss_file_t *pcm_oss_file, int rate)
+static int snd_pcm_oss_set_rate(struct snd_pcm_oss_file *pcm_oss_file, int rate)
 {
 	int idx;
 
 	for (idx = 1; idx >= 0; --idx) {
-		snd_pcm_substream_t *substream = pcm_oss_file->streams[idx];
-		snd_pcm_runtime_t *runtime;
+		struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
+		struct snd_pcm_runtime *runtime;
 		if (substream == NULL)
 			continue;
 		runtime = substream->runtime;
@@ -1139,9 +1139,9 @@ static int snd_pcm_oss_set_rate(snd_pcm_oss_file_t *pcm_oss_file, int rate)
 	return snd_pcm_oss_get_rate(pcm_oss_file);
 }
 
-static int snd_pcm_oss_get_rate(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_get_rate(struct snd_pcm_oss_file *pcm_oss_file)
 {
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_substream *substream;
 	int err;
 	
 	if ((err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream)) < 0)
@@ -1149,7 +1149,7 @@ static int snd_pcm_oss_get_rate(snd_pcm_oss_file_t *pcm_oss_file)
 	return substream->runtime->oss.rate;
 }
 
-static int snd_pcm_oss_set_channels(snd_pcm_oss_file_t *pcm_oss_file, unsigned int channels)
+static int snd_pcm_oss_set_channels(struct snd_pcm_oss_file *pcm_oss_file, unsigned int channels)
 {
 	int idx;
 	if (channels < 1)
@@ -1157,8 +1157,8 @@ static int snd_pcm_oss_set_channels(snd_pcm_oss_file_t *pcm_oss_file, unsigned i
 	if (channels > 128)
 		return -EINVAL;
 	for (idx = 1; idx >= 0; --idx) {
-		snd_pcm_substream_t *substream = pcm_oss_file->streams[idx];
-		snd_pcm_runtime_t *runtime;
+		struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
+		struct snd_pcm_runtime *runtime;
 		if (substream == NULL)
 			continue;
 		runtime = substream->runtime;
@@ -1170,9 +1170,9 @@ static int snd_pcm_oss_set_channels(snd_pcm_oss_file_t *pcm_oss_file, unsigned i
 	return snd_pcm_oss_get_channels(pcm_oss_file);
 }
 
-static int snd_pcm_oss_get_channels(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_get_channels(struct snd_pcm_oss_file *pcm_oss_file)
 {
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_substream *substream;
 	int err;
 	
 	if ((err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream)) < 0)
@@ -1180,9 +1180,9 @@ static int snd_pcm_oss_get_channels(snd_pcm_oss_file_t *pcm_oss_file)
 	return substream->runtime->oss.channels;
 }
 
-static int snd_pcm_oss_get_block_size(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_get_block_size(struct snd_pcm_oss_file *pcm_oss_file)
 {
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_substream *substream;
 	int err;
 	
 	if ((err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream)) < 0)
@@ -1190,14 +1190,14 @@ static int snd_pcm_oss_get_block_size(snd_pcm_oss_file_t *pcm_oss_file)
 	return substream->runtime->oss.period_bytes;
 }
 
-static int snd_pcm_oss_get_formats(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file)
 {
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_substream *substream;
 	int err;
 	int direct;
-	snd_pcm_hw_params_t *params;
+	struct snd_pcm_hw_params *params;
 	unsigned int formats = 0;
-	snd_mask_t format_mask;
+	struct snd_mask format_mask;
 	int fmt;
 
 	if ((err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream)) < 0)
@@ -1205,7 +1205,7 @@ static int snd_pcm_oss_get_formats(snd_pcm_oss_file_t *pcm_oss_file)
 	if (atomic_read(&substream->runtime->mmap_count)) {
 		direct = 1;
 	} else {
-		snd_pcm_oss_setup_t *setup = substream->oss.setup;
+		struct snd_pcm_oss_setup *setup = substream->oss.setup;
 		direct = (setup != NULL && setup->direct);
 	}
 	if (!direct)
@@ -1231,7 +1231,7 @@ static int snd_pcm_oss_get_formats(snd_pcm_oss_file_t *pcm_oss_file)
 	return formats;
 }
 
-static int snd_pcm_oss_set_format(snd_pcm_oss_file_t *pcm_oss_file, int format)
+static int snd_pcm_oss_set_format(struct snd_pcm_oss_file *pcm_oss_file, int format)
 {
 	int formats, idx;
 	
@@ -1240,8 +1240,8 @@ static int snd_pcm_oss_set_format(snd_pcm_oss_file_t *pcm_oss_file, int format)
 		if (!(formats & format))
 			format = AFMT_U8;
 		for (idx = 1; idx >= 0; --idx) {
-			snd_pcm_substream_t *substream = pcm_oss_file->streams[idx];
-			snd_pcm_runtime_t *runtime;
+			struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
+			struct snd_pcm_runtime *runtime;
 			if (substream == NULL)
 				continue;
 			runtime = substream->runtime;
@@ -1254,9 +1254,9 @@ static int snd_pcm_oss_set_format(snd_pcm_oss_file_t *pcm_oss_file, int format)
 	return snd_pcm_oss_get_format(pcm_oss_file);
 }
 
-static int snd_pcm_oss_get_format(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_get_format(struct snd_pcm_oss_file *pcm_oss_file)
 {
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_substream *substream;
 	int err;
 	
 	if ((err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream)) < 0)
@@ -1264,9 +1264,9 @@ static int snd_pcm_oss_get_format(snd_pcm_oss_file_t *pcm_oss_file)
 	return substream->runtime->oss.format;
 }
 
-static int snd_pcm_oss_set_subdivide1(snd_pcm_substream_t *substream, int subdivide)
+static int snd_pcm_oss_set_subdivide1(struct snd_pcm_substream *substream, int subdivide)
 {
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_runtime *runtime;
 
 	if (substream == NULL)
 		return 0;
@@ -1287,12 +1287,12 @@ static int snd_pcm_oss_set_subdivide1(snd_pcm_substream_t *substream, int subdiv
 	return subdivide;
 }
 
-static int snd_pcm_oss_set_subdivide(snd_pcm_oss_file_t *pcm_oss_file, int subdivide)
+static int snd_pcm_oss_set_subdivide(struct snd_pcm_oss_file *pcm_oss_file, int subdivide)
 {
 	int err = -EINVAL, idx;
 
 	for (idx = 1; idx >= 0; --idx) {
-		snd_pcm_substream_t *substream = pcm_oss_file->streams[idx];
+		struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
 		if (substream == NULL)
 			continue;
 		if ((err = snd_pcm_oss_set_subdivide1(substream, subdivide)) < 0)
@@ -1301,9 +1301,9 @@ static int snd_pcm_oss_set_subdivide(snd_pcm_oss_file_t *pcm_oss_file, int subdi
 	return err;
 }
 
-static int snd_pcm_oss_set_fragment1(snd_pcm_substream_t *substream, unsigned int val)
+static int snd_pcm_oss_set_fragment1(struct snd_pcm_substream *substream, unsigned int val)
 {
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_runtime *runtime;
 
 	if (substream == NULL)
 		return 0;
@@ -1320,12 +1320,12 @@ static int snd_pcm_oss_set_fragment1(snd_pcm_substream_t *substream, unsigned in
 	return 0;
 }
 
-static int snd_pcm_oss_set_fragment(snd_pcm_oss_file_t *pcm_oss_file, unsigned int val)
+static int snd_pcm_oss_set_fragment(struct snd_pcm_oss_file *pcm_oss_file, unsigned int val)
 {
 	int err = -EINVAL, idx;
 
 	for (idx = 1; idx >= 0; --idx) {
-		snd_pcm_substream_t *substream = pcm_oss_file->streams[idx];
+		struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
 		if (substream == NULL)
 			continue;
 		if ((err = snd_pcm_oss_set_fragment1(substream, val)) < 0)
@@ -1340,7 +1340,7 @@ static int snd_pcm_oss_nonblock(struct file * file)
 	return 0;
 }
 
-static int snd_pcm_oss_get_caps1(snd_pcm_substream_t *substream, int res)
+static int snd_pcm_oss_get_caps1(struct snd_pcm_substream *substream, int res)
 {
 
 	if (substream == NULL) {
@@ -1356,7 +1356,7 @@ static int snd_pcm_oss_get_caps1(snd_pcm_substream_t *substream, int res)
 	/* all ALSA drivers can return actual pointer in ring buffer */
 #if defined(DSP_CAP_REALTIME) && 0
 	{
-		snd_pcm_runtime_t *runtime = substream->runtime;
+		struct snd_pcm_runtime *runtime = substream->runtime;
 		if (runtime->info & (SNDRV_PCM_INFO_BLOCK_TRANSFER|SNDRV_PCM_INFO_BATCH))
 			res &= ~DSP_CAP_REALTIME;
 	}
@@ -1364,32 +1364,32 @@ static int snd_pcm_oss_get_caps1(snd_pcm_substream_t *substream, int res)
 	return res;
 }
 
-static int snd_pcm_oss_get_caps(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_get_caps(struct snd_pcm_oss_file *pcm_oss_file)
 {
 	int result, idx;
 	
 	result = DSP_CAP_TRIGGER | DSP_CAP_MMAP	| DSP_CAP_DUPLEX | DSP_CAP_REALTIME;
 	for (idx = 0; idx < 2; idx++) {
-		snd_pcm_substream_t *substream = pcm_oss_file->streams[idx];
+		struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
 		result = snd_pcm_oss_get_caps1(substream, result);
 	}
 	result |= 0x0001;	/* revision - same as SB AWE 64 */
 	return result;
 }
 
-static void snd_pcm_oss_simulate_fill(snd_pcm_substream_t *substream, snd_pcm_uframes_t hw_ptr)
+static void snd_pcm_oss_simulate_fill(struct snd_pcm_substream *substream, snd_pcm_uframes_t hw_ptr)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	snd_pcm_uframes_t appl_ptr;
 	appl_ptr = hw_ptr + runtime->buffer_size;
 	appl_ptr %= runtime->boundary;
 	runtime->control->appl_ptr = appl_ptr;
 }
 
-static int snd_pcm_oss_set_trigger(snd_pcm_oss_file_t *pcm_oss_file, int trigger)
+static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int trigger)
 {
-	snd_pcm_runtime_t *runtime;
-	snd_pcm_substream_t *psubstream = NULL, *csubstream = NULL;
+	struct snd_pcm_runtime *runtime;
+	struct snd_pcm_substream *psubstream = NULL, *csubstream = NULL;
 	int err, cmd;
 
 #ifdef OSS_DEBUG
@@ -1454,9 +1454,9 @@ static int snd_pcm_oss_set_trigger(snd_pcm_oss_file_t *pcm_oss_file, int trigger
 	return 0;
 }
 
-static int snd_pcm_oss_get_trigger(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_get_trigger(struct snd_pcm_oss_file *pcm_oss_file)
 {
-	snd_pcm_substream_t *psubstream = NULL, *csubstream = NULL;
+	struct snd_pcm_substream *psubstream = NULL, *csubstream = NULL;
 	int result = 0;
 
 	psubstream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
@@ -1468,10 +1468,10 @@ static int snd_pcm_oss_get_trigger(snd_pcm_oss_file_t *pcm_oss_file)
 	return result;
 }
 
-static int snd_pcm_oss_get_odelay(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_get_odelay(struct snd_pcm_oss_file *pcm_oss_file)
 {
-	snd_pcm_substream_t *substream;
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_substream *substream;
+	struct snd_pcm_runtime *runtime;
 	snd_pcm_sframes_t delay;
 	int err;
 
@@ -1491,10 +1491,10 @@ static int snd_pcm_oss_get_odelay(snd_pcm_oss_file_t *pcm_oss_file)
 	return snd_pcm_oss_bytes(substream, delay);
 }
 
-static int snd_pcm_oss_get_ptr(snd_pcm_oss_file_t *pcm_oss_file, int stream, struct count_info __user * _info)
+static int snd_pcm_oss_get_ptr(struct snd_pcm_oss_file *pcm_oss_file, int stream, struct count_info __user * _info)
 {	
-	snd_pcm_substream_t *substream;
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_substream *substream;
+	struct snd_pcm_runtime *runtime;
 	snd_pcm_sframes_t delay;
 	int fixup;
 	struct count_info info;
@@ -1543,7 +1543,7 @@ static int snd_pcm_oss_get_ptr(snd_pcm_oss_file_t *pcm_oss_file, int stream, str
 	} else {
 		delay = snd_pcm_oss_bytes(substream, delay);
 		if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
-			snd_pcm_oss_setup_t *setup = substream->oss.setup;
+			struct snd_pcm_oss_setup *setup = substream->oss.setup;
 			if (setup && setup->buggyptr)
 				info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;
 			else
@@ -1560,10 +1560,10 @@ static int snd_pcm_oss_get_ptr(snd_pcm_oss_file_t *pcm_oss_file, int stream, str
 	return 0;
 }
 
-static int snd_pcm_oss_get_space(snd_pcm_oss_file_t *pcm_oss_file, int stream, struct audio_buf_info __user *_info)
+static int snd_pcm_oss_get_space(struct snd_pcm_oss_file *pcm_oss_file, int stream, struct audio_buf_info __user *_info)
 {
-	snd_pcm_substream_t *substream;
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_substream *substream;
+	struct snd_pcm_runtime *runtime;
 	snd_pcm_sframes_t avail;
 	int fixup;
 	struct audio_buf_info info;
@@ -1619,17 +1619,17 @@ static int snd_pcm_oss_get_space(snd_pcm_oss_file_t *pcm_oss_file, int stream, s
 	return 0;
 }
 
-static int snd_pcm_oss_get_mapbuf(snd_pcm_oss_file_t *pcm_oss_file, int stream, struct buffmem_desc __user * _info)
+static int snd_pcm_oss_get_mapbuf(struct snd_pcm_oss_file *pcm_oss_file, int stream, struct buffmem_desc __user * _info)
 {
 	// it won't be probably implemented
 	// snd_printd("TODO: snd_pcm_oss_get_mapbuf\n");
 	return -EINVAL;
 }
 
-static snd_pcm_oss_setup_t *snd_pcm_oss_look_for_setup(snd_pcm_t *pcm, int stream, const char *task_name)
+static struct snd_pcm_oss_setup *snd_pcm_oss_look_for_setup(struct snd_pcm *pcm, int stream, const char *task_name)
 {
 	const char *ptr, *ptrl;
-	snd_pcm_oss_setup_t *setup;
+	struct snd_pcm_oss_setup *setup;
 
 	down(&pcm->streams[stream].oss.setup_mutex);
 	for (setup = pcm->streams[stream].oss.setup_list; setup; setup = setup->next) {
@@ -1659,11 +1659,11 @@ static snd_pcm_oss_setup_t *snd_pcm_oss_look_for_setup(snd_pcm_t *pcm, int strea
 	return NULL;
 }
 
-static void snd_pcm_oss_init_substream(snd_pcm_substream_t *substream,
-				       snd_pcm_oss_setup_t *setup,
+static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
+				       struct snd_pcm_oss_setup *setup,
 				       int minor)
 {
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_runtime *runtime;
 
 	substream->oss.oss = 1;
 	substream->oss.setup = setup;
@@ -1687,9 +1687,9 @@ static void snd_pcm_oss_init_substream(snd_pcm_substream_t *substream,
 	runtime->oss.subdivision = 0;
 }
 
-static void snd_pcm_oss_release_substream(snd_pcm_substream_t *substream)
+static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
 {
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_runtime *runtime;
 	runtime = substream->runtime;
 	vfree(runtime->oss.buffer);
 	snd_pcm_oss_plugin_clear(substream);
@@ -1697,13 +1697,13 @@ static void snd_pcm_oss_release_substream(snd_pcm_substream_t *substream)
 	substream->oss.oss = 0;
 }
 
-static int snd_pcm_oss_release_file(snd_pcm_oss_file_t *pcm_oss_file)
+static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file)
 {
 	int cidx;
 	snd_assert(pcm_oss_file != NULL, return -ENXIO);
 	for (cidx = 0; cidx < 2; ++cidx) {
-		snd_pcm_substream_t *substream = pcm_oss_file->streams[cidx];
-		snd_pcm_runtime_t *runtime;
+		struct snd_pcm_substream *substream = pcm_oss_file->streams[cidx];
+		struct snd_pcm_runtime *runtime;
 		if (substream == NULL)
 			continue;
 		runtime = substream->runtime;
@@ -1726,15 +1726,15 @@ static int snd_pcm_oss_release_file(snd_pcm_oss_file_t *pcm_oss_file)
 }
 
 static int snd_pcm_oss_open_file(struct file *file,
-				 snd_pcm_t *pcm,
-				 snd_pcm_oss_file_t **rpcm_oss_file,
+				 struct snd_pcm *pcm,
+				 struct snd_pcm_oss_file **rpcm_oss_file,
 				 int minor,
-				 snd_pcm_oss_setup_t *psetup,
-				 snd_pcm_oss_setup_t *csetup)
+				 struct snd_pcm_oss_setup *psetup,
+				 struct snd_pcm_oss_setup *csetup)
 {
 	int err = 0;
-	snd_pcm_oss_file_t *pcm_oss_file;
-	snd_pcm_substream_t *psubstream = NULL, *csubstream = NULL;
+	struct snd_pcm_oss_file *pcm_oss_file;
+	struct snd_pcm_substream *psubstream = NULL, *csubstream = NULL;
 	unsigned int f_mode = file->f_mode;
 
 	snd_assert(rpcm_oss_file != NULL, return -EINVAL);
@@ -1839,9 +1839,9 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
 	int device;
 	int err;
 	char task_name[32];
-	snd_pcm_t *pcm;
-	snd_pcm_oss_file_t *pcm_oss_file;
-	snd_pcm_oss_setup_t *psetup = NULL, *csetup = NULL;
+	struct snd_pcm *pcm;
+	struct snd_pcm_oss_file *pcm_oss_file;
+	struct snd_pcm_oss_setup *psetup = NULL, *csetup = NULL;
 	int nonblock;
 	wait_queue_t wait;
 
@@ -1925,9 +1925,9 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
 
 static int snd_pcm_oss_release(struct inode *inode, struct file *file)
 {
-	snd_pcm_t *pcm;
-	snd_pcm_substream_t *substream;
-	snd_pcm_oss_file_t *pcm_oss_file;
+	struct snd_pcm *pcm;
+	struct snd_pcm_substream *substream;
+	struct snd_pcm_oss_file *pcm_oss_file;
 
 	pcm_oss_file = file->private_data;
 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
@@ -1947,7 +1947,7 @@ static int snd_pcm_oss_release(struct inode *inode, struct file *file)
 
 static long snd_pcm_oss_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	snd_pcm_oss_file_t *pcm_oss_file;
+	struct snd_pcm_oss_file *pcm_oss_file;
 	int __user *p = (int __user *)arg;
 	int res;
 
@@ -1958,7 +1958,7 @@ static long snd_pcm_oss_ioctl(struct file *file, unsigned int cmd, unsigned long
 		return put_user(1, p);
 #if defined(CONFIG_SND_MIXER_OSS) || (defined(MODULE) && defined(CONFIG_SND_MIXER_OSS_MODULE))
 	if (((cmd >> 8) & 0xff) == 'M')	{	/* mixer ioctl - for OSS compatibility */
-		snd_pcm_substream_t *substream;
+		struct snd_pcm_substream *substream;
 		int idx;
 		for (idx = 0; idx < 2; ++idx) {
 			substream = pcm_oss_file->streams[idx];
@@ -2113,8 +2113,8 @@ static long snd_pcm_oss_ioctl(struct file *file, unsigned int cmd, unsigned long
 
 static ssize_t snd_pcm_oss_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
-	snd_pcm_oss_file_t *pcm_oss_file;
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_oss_file *pcm_oss_file;
+	struct snd_pcm_substream *substream;
 
 	pcm_oss_file = file->private_data;
 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
@@ -2133,8 +2133,8 @@ static ssize_t snd_pcm_oss_read(struct file *file, char __user *buf, size_t coun
 
 static ssize_t snd_pcm_oss_write(struct file *file, const char __user *buf, size_t count, loff_t *offset)
 {
-	snd_pcm_oss_file_t *pcm_oss_file;
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_oss_file *pcm_oss_file;
+	struct snd_pcm_substream *substream;
 	long result;
 
 	pcm_oss_file = file->private_data;
@@ -2150,18 +2150,18 @@ static ssize_t snd_pcm_oss_write(struct file *file, const char __user *buf, size
 	return result;
 }
 
-static int snd_pcm_oss_playback_ready(snd_pcm_substream_t *substream)
+static int snd_pcm_oss_playback_ready(struct snd_pcm_substream *substream)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	if (atomic_read(&runtime->mmap_count))
 		return runtime->oss.prev_hw_ptr_interrupt != runtime->hw_ptr_interrupt;
 	else
 		return snd_pcm_playback_avail(runtime) >= runtime->oss.period_frames;
 }
 
-static int snd_pcm_oss_capture_ready(snd_pcm_substream_t *substream)
+static int snd_pcm_oss_capture_ready(struct snd_pcm_substream *substream)
 {
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	if (atomic_read(&runtime->mmap_count))
 		return runtime->oss.prev_hw_ptr_interrupt != runtime->hw_ptr_interrupt;
 	else
@@ -2170,9 +2170,9 @@ static int snd_pcm_oss_capture_ready(snd_pcm_substream_t *substream)
 
 static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait)
 {
-	snd_pcm_oss_file_t *pcm_oss_file;
+	struct snd_pcm_oss_file *pcm_oss_file;
 	unsigned int mask;
-	snd_pcm_substream_t *psubstream = NULL, *csubstream = NULL;
+	struct snd_pcm_substream *psubstream = NULL, *csubstream = NULL;
 	
 	pcm_oss_file = file->private_data;
 
@@ -2181,7 +2181,7 @@ static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait)
 
 	mask = 0;
 	if (psubstream != NULL) {
-		snd_pcm_runtime_t *runtime = psubstream->runtime;
+		struct snd_pcm_runtime *runtime = psubstream->runtime;
 		poll_wait(file, &runtime->sleep, wait);
 		snd_pcm_stream_lock_irq(psubstream);
 		if (runtime->status->state != SNDRV_PCM_STATE_DRAINING &&
@@ -2191,8 +2191,8 @@ static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait)
 		snd_pcm_stream_unlock_irq(psubstream);
 	}
 	if (csubstream != NULL) {
-		snd_pcm_runtime_t *runtime = csubstream->runtime;
-		enum sndrv_pcm_state ostate;
+		struct snd_pcm_runtime *runtime = csubstream->runtime;
+		snd_pcm_state_t ostate;
 		poll_wait(file, &runtime->sleep, wait);
 		snd_pcm_stream_lock_irq(csubstream);
 		if ((ostate = runtime->status->state) != SNDRV_PCM_STATE_RUNNING ||
@@ -2200,7 +2200,7 @@ static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait)
 			mask |= POLLIN | POLLRDNORM;
 		snd_pcm_stream_unlock_irq(csubstream);
 		if (ostate != SNDRV_PCM_STATE_RUNNING && runtime->oss.trigger) {
-			snd_pcm_oss_file_t ofile;
+			struct snd_pcm_oss_file ofile;
 			memset(&ofile, 0, sizeof(ofile));
 			ofile.streams[SNDRV_PCM_STREAM_CAPTURE] = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
 			runtime->oss.trigger = 0;
@@ -2213,9 +2213,9 @@ static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait)
 
 static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
 {
-	snd_pcm_oss_file_t *pcm_oss_file;
-	snd_pcm_substream_t *substream = NULL;
-	snd_pcm_runtime_t *runtime;
+	struct snd_pcm_oss_file *pcm_oss_file;
+	struct snd_pcm_substream *substream = NULL;
+	struct snd_pcm_runtime *runtime;
 	int err;
 
 #ifdef OSS_DEBUG
@@ -2279,11 +2279,11 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
  *  /proc interface
  */
 
-static void snd_pcm_oss_proc_read(snd_info_entry_t *entry,
-				  snd_info_buffer_t * buffer)
+static void snd_pcm_oss_proc_read(struct snd_info_entry *entry,
+				  struct snd_info_buffer *buffer)
 {
-	snd_pcm_str_t *pstr = (snd_pcm_str_t *)entry->private_data;
-	snd_pcm_oss_setup_t *setup = pstr->oss.setup_list;
+	struct snd_pcm_str *pstr = entry->private_data;
+	struct snd_pcm_oss_setup *setup = pstr->oss.setup_list;
 	down(&pstr->oss.setup_mutex);
 	while (setup) {
 		snd_iprintf(buffer, "%s %u %u%s%s%s%s%s%s\n",
@@ -2301,11 +2301,11 @@ static void snd_pcm_oss_proc_read(snd_info_entry_t *entry,
 	up(&pstr->oss.setup_mutex);
 }
 
-static void snd_pcm_oss_proc_free_setup_list(snd_pcm_str_t * pstr)
+static void snd_pcm_oss_proc_free_setup_list(struct snd_pcm_str * pstr)
 {
 	unsigned int idx;
-	snd_pcm_substream_t *substream;
-	snd_pcm_oss_setup_t *setup, *setupn;
+	struct snd_pcm_substream *substream;
+	struct snd_pcm_oss_setup *setup, *setupn;
 
 	for (idx = 0, substream = pstr->substream;
 	     idx < pstr->substream_count; idx++, substream = substream->next)
@@ -2319,13 +2319,13 @@ static void snd_pcm_oss_proc_free_setup_list(snd_pcm_str_t * pstr)
 	pstr->oss.setup_list = NULL;
 }
 
-static void snd_pcm_oss_proc_write(snd_info_entry_t *entry,
-				   snd_info_buffer_t * buffer)
+static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
+				   struct snd_info_buffer *buffer)
 {
-	snd_pcm_str_t *pstr = (snd_pcm_str_t *)entry->private_data;
+	struct snd_pcm_str *pstr = entry->private_data;
 	char line[128], str[32], task_name[32], *ptr;
 	int idx1;
-	snd_pcm_oss_setup_t *setup, *setup1, template;
+	struct snd_pcm_oss_setup *setup, *setup1, template;
 
 	while (!snd_info_get_line(buffer, line, sizeof(line))) {
 		down(&pstr->oss.setup_mutex);
@@ -2370,7 +2370,7 @@ static void snd_pcm_oss_proc_write(snd_info_entry_t *entry,
 			}
 		} while (*str);
 		if (setup == NULL) {
-			setup = (snd_pcm_oss_setup_t *) kmalloc(sizeof(snd_pcm_oss_setup_t), GFP_KERNEL);
+			setup = kmalloc(sizeof(struct snd_pcm_oss_setup), GFP_KERNEL);
 			if (setup) {
 				if (pstr->oss.setup_list == NULL) {
 					pstr->oss.setup_list = setup;
@@ -2389,12 +2389,12 @@ static void snd_pcm_oss_proc_write(snd_info_entry_t *entry,
 	}
 }
 
-static void snd_pcm_oss_proc_init(snd_pcm_t *pcm)
+static void snd_pcm_oss_proc_init(struct snd_pcm *pcm)
 {
 	int stream;
 	for (stream = 0; stream < 2; ++stream) {
-		snd_info_entry_t *entry;
-		snd_pcm_str_t *pstr = &pcm->streams[stream];
+		struct snd_info_entry *entry;
+		struct snd_pcm_str *pstr = &pcm->streams[stream];
 		if (pstr->substream_count == 0)
 			continue;
 		if ((entry = snd_info_create_card_entry(pcm->card, "oss", pstr->proc_root)) != NULL) {
@@ -2414,11 +2414,11 @@ static void snd_pcm_oss_proc_init(snd_pcm_t *pcm)
 	}
 }
 
-static void snd_pcm_oss_proc_done(snd_pcm_t *pcm)
+static void snd_pcm_oss_proc_done(struct snd_pcm *pcm)
 {
 	int stream;
 	for (stream = 0; stream < 2; ++stream) {
-		snd_pcm_str_t *pstr = &pcm->streams[stream];
+		struct snd_pcm_str *pstr = &pcm->streams[stream];
 		if (pstr->oss.proc_entry) {
 			snd_info_unregister(pstr->oss.proc_entry);
 			pstr->oss.proc_entry = NULL;
@@ -2444,13 +2444,13 @@ static struct file_operations snd_pcm_oss_f_reg =
 	.mmap =		snd_pcm_oss_mmap,
 };
 
-static snd_minor_t snd_pcm_oss_reg =
+static struct snd_minor snd_pcm_oss_reg =
 {
 	.comment =	"digital audio",
 	.f_ops =	&snd_pcm_oss_f_reg,
 };
 
-static void register_oss_dsp(snd_pcm_t *pcm, int index)
+static void register_oss_dsp(struct snd_pcm *pcm, int index)
 {
 	char name[128];
 	sprintf(name, "dsp%i%i", pcm->card->number, pcm->device);
@@ -2462,7 +2462,7 @@ static void register_oss_dsp(snd_pcm_t *pcm, int index)
 	}
 }
 
-static int snd_pcm_oss_register_minor(snd_pcm_t * pcm)
+static int snd_pcm_oss_register_minor(struct snd_pcm *pcm)
 {
 	pcm->oss.reg = 0;
 	if (dsp_map[pcm->card->number] == (int)pcm->device) {
@@ -2493,7 +2493,7 @@ static int snd_pcm_oss_register_minor(snd_pcm_t * pcm)
 	return 0;
 }
 
-static int snd_pcm_oss_disconnect_minor(snd_pcm_t * pcm)
+static int snd_pcm_oss_disconnect_minor(struct snd_pcm *pcm)
 {
 	if (pcm->oss.reg) {
 		if (pcm->oss.reg_mask & 1) {
@@ -2510,7 +2510,7 @@ static int snd_pcm_oss_disconnect_minor(snd_pcm_t * pcm)
 	return 0;
 }
 
-static int snd_pcm_oss_unregister_minor(snd_pcm_t * pcm)
+static int snd_pcm_oss_unregister_minor(struct snd_pcm *pcm)
 {
 	snd_pcm_oss_disconnect_minor(pcm);
 	if (pcm->oss.reg) {
@@ -2525,7 +2525,7 @@ static int snd_pcm_oss_unregister_minor(snd_pcm_t * pcm)
 	return 0;
 }
 
-static snd_pcm_notify_t snd_pcm_oss_notify =
+static struct snd_pcm_notify snd_pcm_oss_notify =
 {
 	.n_register =	snd_pcm_oss_register_minor,
 	.n_disconnect = snd_pcm_oss_disconnect_minor,
diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index 312ae1f2bfc3..7e8676880dde 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -36,7 +36,7 @@
 #define snd_pcm_plug_first(plug) ((plug)->runtime->oss.plugin_first)
 #define snd_pcm_plug_last(plug) ((plug)->runtime->oss.plugin_last)
 
-static int snd_pcm_plugin_src_channels_mask(snd_pcm_plugin_t *plugin,
+static int snd_pcm_plugin_src_channels_mask(struct snd_pcm_plugin *plugin,
 					    unsigned long *dst_vmask,
 					    unsigned long **src_vmask)
 {
@@ -46,7 +46,7 @@ static int snd_pcm_plugin_src_channels_mask(snd_pcm_plugin_t *plugin,
 	return 0;
 }
 
-static int snd_pcm_plugin_dst_channels_mask(snd_pcm_plugin_t *plugin,
+static int snd_pcm_plugin_dst_channels_mask(struct snd_pcm_plugin *plugin,
 					    unsigned long *src_vmask,
 					    unsigned long **dst_vmask)
 {
@@ -67,13 +67,13 @@ static int rate_match(unsigned int src_rate, unsigned int dst_rate)
 	return dst_rate >= low && dst_rate <= high;
 }
 
-static int snd_pcm_plugin_alloc(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t frames)
+static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames)
 {
-	snd_pcm_plugin_format_t *format;
+	struct snd_pcm_plugin_format *format;
 	ssize_t width;
 	size_t size;
 	unsigned int channel;
-	snd_pcm_plugin_channel_t *c;
+	struct snd_pcm_plugin_channel *c;
 
 	if (plugin->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		format = &plugin->src_format;
@@ -120,12 +120,12 @@ static int snd_pcm_plugin_alloc(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t fram
 	return 0;
 }
 
-int snd_pcm_plug_alloc(snd_pcm_plug_t *plug, snd_pcm_uframes_t frames)
+int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)
 {
 	int err;
 	snd_assert(snd_pcm_plug_first(plug) != NULL, return -ENXIO);
 	if (snd_pcm_plug_stream(plug) == SNDRV_PCM_STREAM_PLAYBACK) {
-		snd_pcm_plugin_t *plugin = snd_pcm_plug_first(plug);
+		struct snd_pcm_plugin *plugin = snd_pcm_plug_first(plug);
 		while (plugin->next) {
 			if (plugin->dst_frames)
 				frames = plugin->dst_frames(plugin, frames);
@@ -136,7 +136,7 @@ int snd_pcm_plug_alloc(snd_pcm_plug_t *plug, snd_pcm_uframes_t frames)
 				return err;
 		}
 	} else {
-		snd_pcm_plugin_t *plugin = snd_pcm_plug_last(plug);
+		struct snd_pcm_plugin *plugin = snd_pcm_plug_last(plug);
 		while (plugin->prev) {
 			if (plugin->src_frames)
 				frames = plugin->src_frames(plugin, frames);
@@ -151,22 +151,22 @@ int snd_pcm_plug_alloc(snd_pcm_plug_t *plug, snd_pcm_uframes_t frames)
 }
 
 
-snd_pcm_sframes_t snd_pcm_plugin_client_channels(snd_pcm_plugin_t *plugin,
+snd_pcm_sframes_t snd_pcm_plugin_client_channels(struct snd_pcm_plugin *plugin,
 				       snd_pcm_uframes_t frames,
-				       snd_pcm_plugin_channel_t **channels)
+				       struct snd_pcm_plugin_channel **channels)
 {
 	*channels = plugin->buf_channels;
 	return frames;
 }
 
-int snd_pcm_plugin_build(snd_pcm_plug_t *plug,
+int snd_pcm_plugin_build(struct snd_pcm_substream *plug,
 			 const char *name,
-			 snd_pcm_plugin_format_t *src_format,
-			 snd_pcm_plugin_format_t *dst_format,
+			 struct snd_pcm_plugin_format *src_format,
+			 struct snd_pcm_plugin_format *dst_format,
 			 size_t extra,
-			 snd_pcm_plugin_t **ret)
+			 struct snd_pcm_plugin **ret)
 {
-	snd_pcm_plugin_t *plugin;
+	struct snd_pcm_plugin *plugin;
 	unsigned int channels;
 	
 	snd_assert(plug != NULL, return -ENXIO);
@@ -210,7 +210,7 @@ int snd_pcm_plugin_build(snd_pcm_plug_t *plug,
 	return 0;
 }
 
-int snd_pcm_plugin_free(snd_pcm_plugin_t *plugin)
+int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin)
 {
 	if (! plugin)
 		return 0;
@@ -224,9 +224,9 @@ int snd_pcm_plugin_free(snd_pcm_plugin_t *plugin)
 	return 0;
 }
 
-snd_pcm_sframes_t snd_pcm_plug_client_size(snd_pcm_plug_t *plug, snd_pcm_uframes_t drv_frames)
+snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_pcm_uframes_t drv_frames)
 {
-	snd_pcm_plugin_t *plugin, *plugin_prev, *plugin_next;
+	struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next;
 	int stream = snd_pcm_plug_stream(plug);
 
 	snd_assert(plug != NULL, return -ENXIO);
@@ -253,9 +253,9 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(snd_pcm_plug_t *plug, snd_pcm_uframes
 	return drv_frames;
 }
 
-snd_pcm_sframes_t snd_pcm_plug_slave_size(snd_pcm_plug_t *plug, snd_pcm_uframes_t clt_frames)
+snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pcm_uframes_t clt_frames)
 {
-	snd_pcm_plugin_t *plugin, *plugin_prev, *plugin_next;
+	struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next;
 	snd_pcm_sframes_t frames;
 	int stream = snd_pcm_plug_stream(plug);
 	
@@ -290,9 +290,9 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(snd_pcm_plug_t *plug, snd_pcm_uframes_
 	return frames;
 }
 
-static int snd_pcm_plug_formats(snd_mask_t *mask, int format)
+static int snd_pcm_plug_formats(struct snd_mask *mask, int format)
 {
-	snd_mask_t formats = *mask;
+	struct snd_mask formats = *mask;
 	u64 linfmts = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 |
 		       SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_S16_LE |
 		       SNDRV_PCM_FMTBIT_U16_BE | SNDRV_PCM_FMTBIT_S16_BE |
@@ -326,7 +326,7 @@ static int preferred_formats[] = {
 	SNDRV_PCM_FORMAT_U8
 };
 
-int snd_pcm_plug_slave_format(int format, snd_mask_t *format_mask)
+int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask)
 {
 	if (snd_mask_test(format_mask, format))
 		return format;
@@ -376,15 +376,15 @@ int snd_pcm_plug_slave_format(int format, snd_mask_t *format_mask)
 	}
 }
 
-int snd_pcm_plug_format_plugins(snd_pcm_plug_t *plug,
-				snd_pcm_hw_params_t *params,
-				snd_pcm_hw_params_t *slave_params)
+int snd_pcm_plug_format_plugins(struct snd_pcm_substream *plug,
+				struct snd_pcm_hw_params *params,
+				struct snd_pcm_hw_params *slave_params)
 {
-	snd_pcm_plugin_format_t tmpformat;
-	snd_pcm_plugin_format_t dstformat;
-	snd_pcm_plugin_format_t srcformat;
+	struct snd_pcm_plugin_format tmpformat;
+	struct snd_pcm_plugin_format dstformat;
+	struct snd_pcm_plugin_format srcformat;
 	int src_access, dst_access;
-	snd_pcm_plugin_t *plugin = NULL;
+	struct snd_pcm_plugin *plugin = NULL;
 	int err;
 	int stream = snd_pcm_plug_stream(plug);
 	int slave_interleaved = (params_channels(slave_params) == 1 ||
@@ -462,7 +462,7 @@ int snd_pcm_plug_format_plugins(snd_pcm_plug_t *plug,
 	if (srcformat.channels > dstformat.channels) {
 		int sv = srcformat.channels;
 		int dv = dstformat.channels;
-		route_ttable_entry_t *ttable = kcalloc(dv * sv, sizeof(*ttable), GFP_KERNEL);
+		int *ttable = kcalloc(dv * sv, sizeof(*ttable), GFP_KERNEL);
 		if (ttable == NULL)
 			return -ENOMEM;
 #if 1
@@ -525,7 +525,7 @@ int snd_pcm_plug_format_plugins(snd_pcm_plug_t *plug,
 	if (srcformat.channels < dstformat.channels) {
 		int sv = srcformat.channels;
 		int dv = dstformat.channels;
-		route_ttable_entry_t *ttable = kcalloc(dv * sv, sizeof(*ttable), GFP_KERNEL);
+		int *ttable = kcalloc(dv * sv, sizeof(*ttable), GFP_KERNEL);
 		if (ttable == NULL)
 			return -ENOMEM;
 #if 0
@@ -614,14 +614,14 @@ int snd_pcm_plug_format_plugins(snd_pcm_plug_t *plug,
 	return 0;
 }
 
-snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(snd_pcm_plug_t *plug,
+snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *plug,
 					 char *buf,
 					 snd_pcm_uframes_t count,
-					 snd_pcm_plugin_channel_t **channels)
+					 struct snd_pcm_plugin_channel **channels)
 {
-	snd_pcm_plugin_t *plugin;
-	snd_pcm_plugin_channel_t *v;
-	snd_pcm_plugin_format_t *format;
+	struct snd_pcm_plugin *plugin;
+	struct snd_pcm_plugin_channel *v;
+	struct snd_pcm_plugin_format *format;
 	int width, nchannels, channel;
 	int stream = snd_pcm_plug_stream(plug);
 
@@ -650,10 +650,10 @@ snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(snd_pcm_plug_t *plug,
 	return count;
 }
 
-static int snd_pcm_plug_playback_channels_mask(snd_pcm_plug_t *plug,
+static int snd_pcm_plug_playback_channels_mask(struct snd_pcm_substream *plug,
 					       unsigned long *client_vmask)
 {
-	snd_pcm_plugin_t *plugin = snd_pcm_plug_last(plug);
+	struct snd_pcm_plugin *plugin = snd_pcm_plug_last(plug);
 	if (plugin == NULL) {
 		return 0;
 	} else {
@@ -678,10 +678,10 @@ static int snd_pcm_plug_playback_channels_mask(snd_pcm_plug_t *plug,
 	}
 }
 
-static int snd_pcm_plug_playback_disable_useless_channels(snd_pcm_plug_t *plug,
-							  snd_pcm_plugin_channel_t *src_channels)
+static int snd_pcm_plug_playback_disable_useless_channels(struct snd_pcm_substream *plug,
+							  struct snd_pcm_plugin_channel *src_channels)
 {
-	snd_pcm_plugin_t *plugin = snd_pcm_plug_first(plug);
+	struct snd_pcm_plugin *plugin = snd_pcm_plug_first(plug);
 	unsigned int nchannels = plugin->src_format.channels;
 	DECLARE_BITMAP(bs, nchannels);
 	unsigned long *srcmask = bs;
@@ -703,11 +703,11 @@ static int snd_pcm_plug_playback_disable_useless_channels(snd_pcm_plug_t *plug,
 	return 0;
 }
 
-static int snd_pcm_plug_capture_disable_useless_channels(snd_pcm_plug_t *plug,
-							 snd_pcm_plugin_channel_t *src_channels,
-							 snd_pcm_plugin_channel_t *client_channels)
+static int snd_pcm_plug_capture_disable_useless_channels(struct snd_pcm_substream *plug,
+							 struct snd_pcm_plugin_channel *src_channels,
+							 struct snd_pcm_plugin_channel *client_channels)
 {
-	snd_pcm_plugin_t *plugin = snd_pcm_plug_last(plug);
+	struct snd_pcm_plugin *plugin = snd_pcm_plug_last(plug);
 	unsigned int nchannels = plugin->dst_format.channels;
 	DECLARE_BITMAP(bs, nchannels);
 	unsigned long *dstmask = bs;
@@ -736,10 +736,10 @@ static int snd_pcm_plug_capture_disable_useless_channels(snd_pcm_plug_t *plug,
 	return 0;
 }
 
-snd_pcm_sframes_t snd_pcm_plug_write_transfer(snd_pcm_plug_t *plug, snd_pcm_plugin_channel_t *src_channels, snd_pcm_uframes_t size)
+snd_pcm_sframes_t snd_pcm_plug_write_transfer(struct snd_pcm_substream *plug, struct snd_pcm_plugin_channel *src_channels, snd_pcm_uframes_t size)
 {
-	snd_pcm_plugin_t *plugin, *next;
-	snd_pcm_plugin_channel_t *dst_channels;
+	struct snd_pcm_plugin *plugin, *next;
+	struct snd_pcm_plugin_channel *dst_channels;
 	int err;
 	snd_pcm_sframes_t frames = size;
 
@@ -771,10 +771,10 @@ snd_pcm_sframes_t snd_pcm_plug_write_transfer(snd_pcm_plug_t *plug, snd_pcm_plug
 	return snd_pcm_plug_client_size(plug, frames);
 }
 
-snd_pcm_sframes_t snd_pcm_plug_read_transfer(snd_pcm_plug_t *plug, snd_pcm_plugin_channel_t *dst_channels_final, snd_pcm_uframes_t size)
+snd_pcm_sframes_t snd_pcm_plug_read_transfer(struct snd_pcm_substream *plug, struct snd_pcm_plugin_channel *dst_channels_final, snd_pcm_uframes_t size)
 {
-	snd_pcm_plugin_t *plugin, *next;
-	snd_pcm_plugin_channel_t *src_channels, *dst_channels;
+	struct snd_pcm_plugin *plugin, *next;
+	struct snd_pcm_plugin_channel *src_channels, *dst_channels;
 	snd_pcm_sframes_t frames = size;
 	int err;
 
@@ -806,7 +806,7 @@ snd_pcm_sframes_t snd_pcm_plug_read_transfer(snd_pcm_plug_t *plug, snd_pcm_plugi
 	return frames;
 }
 
-int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_area, size_t dst_offset,
+int snd_pcm_area_silence(const struct snd_pcm_channel_area *dst_area, size_t dst_offset,
 			 size_t samples, int format)
 {
 	/* FIXME: sub byte resolution and odd dst_offset */
@@ -852,8 +852,8 @@ int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_area, size_t dst_offs
 	return 0;
 }
 
-int snd_pcm_area_copy(const snd_pcm_channel_area_t *src_area, size_t src_offset,
-		      const snd_pcm_channel_area_t *dst_area, size_t dst_offset,
+int snd_pcm_area_copy(const struct snd_pcm_channel_area *src_area, size_t src_offset,
+		      const struct snd_pcm_channel_area *dst_area, size_t dst_offset,
 		      size_t samples, int format)
 {
 	/* FIXME: sub byte resolution and odd dst_offset */
diff --git a/sound/core/oss/pcm_plugin.h b/sound/core/oss/pcm_plugin.h
index 69a43172142c..29198da615cd 100644
--- a/sound/core/oss/pcm_plugin.h
+++ b/sound/core/oss/pcm_plugin.h
@@ -29,147 +29,157 @@ static inline unsigned long *bitmap_alloc(unsigned int nbits)
 	return kmalloc(BITS_TO_LONGS(nbits), GFP_KERNEL);
 }
 
-#define snd_pcm_plug_t snd_pcm_substream_t
 #define snd_pcm_plug_stream(plug) ((plug)->stream)
 
-typedef enum {
+enum snd_pcm_plugin_action {
 	INIT = 0,
 	PREPARE = 1,
-} snd_pcm_plugin_action_t;
+};
 
-typedef struct _snd_pcm_channel_area {
+struct snd_pcm_channel_area {
 	void *addr;			/* base address of channel samples */
 	unsigned int first;		/* offset to first sample in bits */
 	unsigned int step;		/* samples distance in bits */
-} snd_pcm_channel_area_t;
+};
 
-typedef struct _snd_pcm_plugin_channel {
+struct snd_pcm_plugin_channel {
 	void *aptr;			/* pointer to the allocated area */
-	snd_pcm_channel_area_t area;
+	struct snd_pcm_channel_area area;
 	snd_pcm_uframes_t frames;	/* allocated frames */
 	unsigned int enabled:1;		/* channel need to be processed */
 	unsigned int wanted:1;		/* channel is wanted */
-} snd_pcm_plugin_channel_t;
+};
 
-typedef struct _snd_pcm_plugin_format {
+struct snd_pcm_plugin_format {
 	int format;
 	unsigned int rate;
 	unsigned int channels;
-} snd_pcm_plugin_format_t;
+};
 
-struct _snd_pcm_plugin {
+struct snd_pcm_plugin {
 	const char *name;		/* plug-in name */
 	int stream;
-	snd_pcm_plugin_format_t src_format;	/* source format */
-	snd_pcm_plugin_format_t dst_format;	/* destination format */
+	struct snd_pcm_plugin_format src_format;	/* source format */
+	struct snd_pcm_plugin_format dst_format;	/* destination format */
 	int src_width;			/* sample width in bits */
 	int dst_width;			/* sample width in bits */
 	int access;
-	snd_pcm_sframes_t (*src_frames)(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t dst_frames);
-	snd_pcm_sframes_t (*dst_frames)(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t src_frames);
-	snd_pcm_sframes_t (*client_channels)(snd_pcm_plugin_t *plugin,
-				 snd_pcm_uframes_t frames,
-				 snd_pcm_plugin_channel_t **channels);
-	int (*src_channels_mask)(snd_pcm_plugin_t *plugin,
+	snd_pcm_sframes_t (*src_frames)(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t dst_frames);
+	snd_pcm_sframes_t (*dst_frames)(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t src_frames);
+	snd_pcm_sframes_t (*client_channels)(struct snd_pcm_plugin *plugin,
+					     snd_pcm_uframes_t frames,
+					     struct snd_pcm_plugin_channel **channels);
+	int (*src_channels_mask)(struct snd_pcm_plugin *plugin,
 				 unsigned long *dst_vmask,
 				 unsigned long **src_vmask);
-	int (*dst_channels_mask)(snd_pcm_plugin_t *plugin,
+	int (*dst_channels_mask)(struct snd_pcm_plugin *plugin,
 				 unsigned long *src_vmask,
 				 unsigned long **dst_vmask);
-	snd_pcm_sframes_t (*transfer)(snd_pcm_plugin_t *plugin,
-			    const snd_pcm_plugin_channel_t *src_channels,
-			    snd_pcm_plugin_channel_t *dst_channels,
-			    snd_pcm_uframes_t frames);
-	int (*action)(snd_pcm_plugin_t *plugin,
-		      snd_pcm_plugin_action_t action,
+	snd_pcm_sframes_t (*transfer)(struct snd_pcm_plugin *plugin,
+				      const struct snd_pcm_plugin_channel *src_channels,
+				      struct snd_pcm_plugin_channel *dst_channels,
+				      snd_pcm_uframes_t frames);
+	int (*action)(struct snd_pcm_plugin *plugin,
+		      enum snd_pcm_plugin_action action,
 		      unsigned long data);
-	snd_pcm_plugin_t *prev;
-	snd_pcm_plugin_t *next;
-	snd_pcm_plug_t *plug;
+	struct snd_pcm_plugin *prev;
+	struct snd_pcm_plugin *next;
+	struct snd_pcm_substream *plug;
 	void *private_data;
-	void (*private_free)(snd_pcm_plugin_t *plugin);
+	void (*private_free)(struct snd_pcm_plugin *plugin);
 	char *buf;
 	snd_pcm_uframes_t buf_frames;
-	snd_pcm_plugin_channel_t *buf_channels;
+	struct snd_pcm_plugin_channel *buf_channels;
 	unsigned long *src_vmask;
 	unsigned long *dst_vmask;
 	char extra_data[0];
 };
 
-int snd_pcm_plugin_build(snd_pcm_plug_t *handle,
+int snd_pcm_plugin_build(struct snd_pcm_substream *handle,
                          const char *name,
-                         snd_pcm_plugin_format_t *src_format,
-                         snd_pcm_plugin_format_t *dst_format,
+                         struct snd_pcm_plugin_format *src_format,
+                         struct snd_pcm_plugin_format *dst_format,
                          size_t extra,
-                         snd_pcm_plugin_t **ret);
-int snd_pcm_plugin_free(snd_pcm_plugin_t *plugin);
-int snd_pcm_plugin_clear(snd_pcm_plugin_t **first);
-int snd_pcm_plug_alloc(snd_pcm_plug_t *plug, snd_pcm_uframes_t frames);
-snd_pcm_sframes_t snd_pcm_plug_client_size(snd_pcm_plug_t *handle, snd_pcm_uframes_t drv_size);
-snd_pcm_sframes_t snd_pcm_plug_slave_size(snd_pcm_plug_t *handle, snd_pcm_uframes_t clt_size);
+                         struct snd_pcm_plugin **ret);
+int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin);
+int snd_pcm_plugin_clear(struct snd_pcm_plugin **first);
+int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t drv_size);
+snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t clt_size);
 
 #define FULL ROUTE_PLUGIN_RESOLUTION
 #define HALF ROUTE_PLUGIN_RESOLUTION / 2
-typedef int route_ttable_entry_t;
-
-int snd_pcm_plugin_build_io(snd_pcm_plug_t *handle,
-			    snd_pcm_hw_params_t *params,
-			    snd_pcm_plugin_t **r_plugin);
-int snd_pcm_plugin_build_linear(snd_pcm_plug_t *handle,
-				snd_pcm_plugin_format_t *src_format,
-				snd_pcm_plugin_format_t *dst_format,
-				snd_pcm_plugin_t **r_plugin);
-int snd_pcm_plugin_build_mulaw(snd_pcm_plug_t *handle,
-			       snd_pcm_plugin_format_t *src_format,
-			       snd_pcm_plugin_format_t *dst_format,
-			       snd_pcm_plugin_t **r_plugin);
-int snd_pcm_plugin_build_rate(snd_pcm_plug_t *handle,
-			      snd_pcm_plugin_format_t *src_format,
-			      snd_pcm_plugin_format_t *dst_format,
-			      snd_pcm_plugin_t **r_plugin);
-int snd_pcm_plugin_build_route(snd_pcm_plug_t *handle,
-			       snd_pcm_plugin_format_t *src_format,
-			       snd_pcm_plugin_format_t *dst_format,
-			       route_ttable_entry_t *ttable,
-		               snd_pcm_plugin_t **r_plugin);
-int snd_pcm_plugin_build_copy(snd_pcm_plug_t *handle,
-			      snd_pcm_plugin_format_t *src_format,
-			      snd_pcm_plugin_format_t *dst_format,
-			      snd_pcm_plugin_t **r_plugin);
-
-int snd_pcm_plug_format_plugins(snd_pcm_plug_t *substream,
-				snd_pcm_hw_params_t *params,
-				snd_pcm_hw_params_t *slave_params);
-
-int snd_pcm_plug_slave_format(int format, snd_mask_t *format_mask);
-
-int snd_pcm_plugin_append(snd_pcm_plugin_t *plugin);
-
-snd_pcm_sframes_t snd_pcm_plug_write_transfer(snd_pcm_plug_t *handle, snd_pcm_plugin_channel_t *src_channels, snd_pcm_uframes_t size);
-snd_pcm_sframes_t snd_pcm_plug_read_transfer(snd_pcm_plug_t *handle, snd_pcm_plugin_channel_t *dst_channels_final, snd_pcm_uframes_t size);
-
-snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(snd_pcm_plug_t *handle,
-					 char *buf, snd_pcm_uframes_t count,
-					 snd_pcm_plugin_channel_t **channels);
-
-snd_pcm_sframes_t snd_pcm_plugin_client_channels(snd_pcm_plugin_t *plugin,
-				       snd_pcm_uframes_t frames,
-				       snd_pcm_plugin_channel_t **channels);
-
-int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_channel, size_t dst_offset,
+
+int snd_pcm_plugin_build_io(struct snd_pcm_substream *handle,
+			    struct snd_pcm_hw_params *params,
+			    struct snd_pcm_plugin **r_plugin);
+int snd_pcm_plugin_build_linear(struct snd_pcm_substream *handle,
+				struct snd_pcm_plugin_format *src_format,
+				struct snd_pcm_plugin_format *dst_format,
+				struct snd_pcm_plugin **r_plugin);
+int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *handle,
+			       struct snd_pcm_plugin_format *src_format,
+			       struct snd_pcm_plugin_format *dst_format,
+			       struct snd_pcm_plugin **r_plugin);
+int snd_pcm_plugin_build_rate(struct snd_pcm_substream *handle,
+			      struct snd_pcm_plugin_format *src_format,
+			      struct snd_pcm_plugin_format *dst_format,
+			      struct snd_pcm_plugin **r_plugin);
+int snd_pcm_plugin_build_route(struct snd_pcm_substream *handle,
+			       struct snd_pcm_plugin_format *src_format,
+			       struct snd_pcm_plugin_format *dst_format,
+			       int *ttable,
+		               struct snd_pcm_plugin **r_plugin);
+int snd_pcm_plugin_build_copy(struct snd_pcm_substream *handle,
+			      struct snd_pcm_plugin_format *src_format,
+			      struct snd_pcm_plugin_format *dst_format,
+			      struct snd_pcm_plugin **r_plugin);
+
+int snd_pcm_plug_format_plugins(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params,
+				struct snd_pcm_hw_params *slave_params);
+
+int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask);
+
+int snd_pcm_plugin_append(struct snd_pcm_plugin *plugin);
+
+snd_pcm_sframes_t snd_pcm_plug_write_transfer(struct snd_pcm_substream *handle,
+					      struct snd_pcm_plugin_channel *src_channels,
+					      snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_plug_read_transfer(struct snd_pcm_substream *handle,
+					     struct snd_pcm_plugin_channel *dst_channels_final,
+					     snd_pcm_uframes_t size);
+
+snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *handle,
+						   char *buf, snd_pcm_uframes_t count,
+						   struct snd_pcm_plugin_channel **channels);
+
+snd_pcm_sframes_t snd_pcm_plugin_client_channels(struct snd_pcm_plugin *plugin,
+						 snd_pcm_uframes_t frames,
+						 struct snd_pcm_plugin_channel **channels);
+
+int snd_pcm_area_silence(const struct snd_pcm_channel_area *dst_channel,
+			 size_t dst_offset,
 			 size_t samples, int format);
-int snd_pcm_area_copy(const snd_pcm_channel_area_t *src_channel, size_t src_offset,
-		      const snd_pcm_channel_area_t *dst_channel, size_t dst_offset,
+int snd_pcm_area_copy(const struct snd_pcm_channel_area *src_channel,
+		      size_t src_offset,
+		      const struct snd_pcm_channel_area *dst_channel,
+		      size_t dst_offset,
 		      size_t samples, int format);
 
-void *snd_pcm_plug_buf_alloc(snd_pcm_plug_t *plug, snd_pcm_uframes_t size);
-void snd_pcm_plug_buf_unlock(snd_pcm_plug_t *plug, void *ptr);
-snd_pcm_sframes_t snd_pcm_oss_write3(snd_pcm_substream_t *substream, const char *ptr, snd_pcm_uframes_t size, int in_kernel);
-snd_pcm_sframes_t snd_pcm_oss_read3(snd_pcm_substream_t *substream, char *ptr, snd_pcm_uframes_t size, int in_kernel);
-snd_pcm_sframes_t snd_pcm_oss_writev3(snd_pcm_substream_t *substream, void **bufs, snd_pcm_uframes_t frames, int in_kernel);
-snd_pcm_sframes_t snd_pcm_oss_readv3(snd_pcm_substream_t *substream, void **bufs, snd_pcm_uframes_t frames, int in_kernel);
-
-
+void *snd_pcm_plug_buf_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t size);
+void snd_pcm_plug_buf_unlock(struct snd_pcm_substream *plug, void *ptr);
+snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream,
+				     const char *ptr, snd_pcm_uframes_t size,
+				     int in_kernel);
+snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream,
+				    char *ptr, snd_pcm_uframes_t size, int in_kernel);
+snd_pcm_sframes_t snd_pcm_oss_writev3(struct snd_pcm_substream *substream,
+				      void **bufs, snd_pcm_uframes_t frames,
+				      int in_kernel);
+snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream,
+				     void **bufs, snd_pcm_uframes_t frames,
+				     int in_kernel);
 
 #define ROUTE_PLUGIN_RESOLUTION 16
 
@@ -177,8 +187,8 @@ int getput_index(int format);
 int copy_index(int format);
 int conv_index(int src_format, int dst_format);
 
-void zero_channel(snd_pcm_plugin_t *plugin,
-		  const snd_pcm_plugin_channel_t *dst_channel,
+void zero_channel(struct snd_pcm_plugin *plugin,
+		  const struct snd_pcm_plugin_channel *dst_channel,
 		  size_t samples);
 
 #ifdef PLUGIN_DEBUG
diff --git a/sound/core/oss/rate.c b/sound/core/oss/rate.c
index 7e325ca58706..4854cef6fb4f 100644
--- a/sound/core/oss/rate.c
+++ b/sound/core/oss/rate.c
@@ -33,29 +33,29 @@
  *  Basic rate conversion plugin
  */
 
-typedef struct {
+struct rate_channel {
 	signed short last_S1;
 	signed short last_S2;
-} rate_channel_t;
+};
  
-typedef void (*rate_f)(snd_pcm_plugin_t *plugin,
-		       const snd_pcm_plugin_channel_t *src_channels,
-		       snd_pcm_plugin_channel_t *dst_channels,
+typedef void (*rate_f)(struct snd_pcm_plugin *plugin,
+		       const struct snd_pcm_plugin_channel *src_channels,
+		       struct snd_pcm_plugin_channel *dst_channels,
 		       int src_frames, int dst_frames);
 
-typedef struct rate_private_data {
+struct rate_priv {
 	unsigned int pitch;
 	unsigned int pos;
 	rate_f func;
 	int get, put;
 	snd_pcm_sframes_t old_src_frames, old_dst_frames;
-	rate_channel_t channels[0];
-} rate_t;
+	struct rate_channel channels[0];
+};
 
-static void rate_init(snd_pcm_plugin_t *plugin)
+static void rate_init(struct snd_pcm_plugin *plugin)
 {
 	unsigned int channel;
-	rate_t *data = (rate_t *)plugin->extra_data;
+	struct rate_priv *data = (struct rate_priv *)plugin->extra_data;
 	data->pos = 0;
 	for (channel = 0; channel < plugin->src_format.channels; channel++) {
 		data->channels[channel].last_S1 = 0;
@@ -63,9 +63,9 @@ static void rate_init(snd_pcm_plugin_t *plugin)
 	}
 }
 
-static void resample_expand(snd_pcm_plugin_t *plugin,
-			    const snd_pcm_plugin_channel_t *src_channels,
-			    snd_pcm_plugin_channel_t *dst_channels,
+static void resample_expand(struct snd_pcm_plugin *plugin,
+			    const struct snd_pcm_plugin_channel *src_channels,
+			    struct snd_pcm_plugin_channel *dst_channels,
 			    int src_frames, int dst_frames)
 {
 	unsigned int pos = 0;
@@ -75,8 +75,8 @@ static void resample_expand(snd_pcm_plugin_t *plugin,
 	unsigned int channel;
 	int src_step, dst_step;
 	int src_frames1, dst_frames1;
-	rate_t *data = (rate_t *)plugin->extra_data;
-	rate_channel_t *rchannels = data->channels;
+	struct rate_priv *data = (struct rate_priv *)plugin->extra_data;
+	struct rate_channel *rchannels = data->channels;
 
 #define GET_S16_LABELS
 #define PUT_S16_LABELS
@@ -139,9 +139,9 @@ static void resample_expand(snd_pcm_plugin_t *plugin,
 	data->pos = pos;
 }
 
-static void resample_shrink(snd_pcm_plugin_t *plugin,
-			    const snd_pcm_plugin_channel_t *src_channels,
-			    snd_pcm_plugin_channel_t *dst_channels,
+static void resample_shrink(struct snd_pcm_plugin *plugin,
+			    const struct snd_pcm_plugin_channel *src_channels,
+			    struct snd_pcm_plugin_channel *dst_channels,
 			    int src_frames, int dst_frames)
 {
 	unsigned int pos = 0;
@@ -151,8 +151,8 @@ static void resample_shrink(snd_pcm_plugin_t *plugin,
 	unsigned int channel;
 	int src_step, dst_step;
 	int src_frames1, dst_frames1;
-	rate_t *data = (rate_t *)plugin->extra_data;
-	rate_channel_t *rchannels = data->channels;
+	struct rate_priv *data = (struct rate_priv *)plugin->extra_data;
+	struct rate_channel *rchannels = data->channels;
 	
 #define GET_S16_LABELS
 #define PUT_S16_LABELS
@@ -216,15 +216,15 @@ static void resample_shrink(snd_pcm_plugin_t *plugin,
 	data->pos = pos;
 }
 
-static snd_pcm_sframes_t rate_src_frames(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t frames)
+static snd_pcm_sframes_t rate_src_frames(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames)
 {
-	rate_t *data;
+	struct rate_priv *data;
 	snd_pcm_sframes_t res;
 
 	snd_assert(plugin != NULL, return -ENXIO);
 	if (frames == 0)
 		return 0;
-	data = (rate_t *)plugin->extra_data;
+	data = (struct rate_priv *)plugin->extra_data;
 	if (plugin->src_format.rate < plugin->dst_format.rate) {
 		res = (((frames * data->pitch) + (BITS/2)) >> SHIFT);
 	} else {
@@ -248,15 +248,15 @@ static snd_pcm_sframes_t rate_src_frames(snd_pcm_plugin_t *plugin, snd_pcm_ufram
 	return res;
 }
 
-static snd_pcm_sframes_t rate_dst_frames(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t frames)
+static snd_pcm_sframes_t rate_dst_frames(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames)
 {
-	rate_t *data;
+	struct rate_priv *data;
 	snd_pcm_sframes_t res;
 
 	snd_assert(plugin != NULL, return -ENXIO);
 	if (frames == 0)
 		return 0;
-	data = (rate_t *)plugin->extra_data;
+	data = (struct rate_priv *)plugin->extra_data;
 	if (plugin->src_format.rate < plugin->dst_format.rate) {
 		res = (((frames << SHIFT) + (data->pitch / 2)) / data->pitch);
 	} else {
@@ -280,13 +280,13 @@ static snd_pcm_sframes_t rate_dst_frames(snd_pcm_plugin_t *plugin, snd_pcm_ufram
 	return res;
 }
 
-static snd_pcm_sframes_t rate_transfer(snd_pcm_plugin_t *plugin,
-			     const snd_pcm_plugin_channel_t *src_channels,
-			     snd_pcm_plugin_channel_t *dst_channels,
+static snd_pcm_sframes_t rate_transfer(struct snd_pcm_plugin *plugin,
+			     const struct snd_pcm_plugin_channel *src_channels,
+			     struct snd_pcm_plugin_channel *dst_channels,
 			     snd_pcm_uframes_t frames)
 {
 	snd_pcm_uframes_t dst_frames;
-	rate_t *data;
+	struct rate_priv *data;
 
 	snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
 	if (frames == 0)
@@ -308,13 +308,13 @@ static snd_pcm_sframes_t rate_transfer(snd_pcm_plugin_t *plugin,
 	dst_frames = rate_dst_frames(plugin, frames);
 	if (dst_frames > dst_channels[0].frames)
 		dst_frames = dst_channels[0].frames;
-	data = (rate_t *)plugin->extra_data;
+	data = (struct rate_priv *)plugin->extra_data;
 	data->func(plugin, src_channels, dst_channels, frames, dst_frames);
 	return dst_frames;
 }
 
-static int rate_action(snd_pcm_plugin_t *plugin,
-		       snd_pcm_plugin_action_t action,
+static int rate_action(struct snd_pcm_plugin *plugin,
+		       enum snd_pcm_plugin_action action,
 		       unsigned long udata)
 {
 	snd_assert(plugin != NULL, return -ENXIO);
@@ -329,14 +329,14 @@ static int rate_action(snd_pcm_plugin_t *plugin,
 	return 0;	/* silenty ignore other actions */
 }
 
-int snd_pcm_plugin_build_rate(snd_pcm_plug_t *plug,
-			      snd_pcm_plugin_format_t *src_format,
-			      snd_pcm_plugin_format_t *dst_format,
-			      snd_pcm_plugin_t **r_plugin)
+int snd_pcm_plugin_build_rate(struct snd_pcm_substream *plug,
+			      struct snd_pcm_plugin_format *src_format,
+			      struct snd_pcm_plugin_format *dst_format,
+			      struct snd_pcm_plugin **r_plugin)
 {
 	int err;
-	rate_t *data;
-	snd_pcm_plugin_t *plugin;
+	struct rate_priv *data;
+	struct snd_pcm_plugin *plugin;
 
 	snd_assert(r_plugin != NULL, return -ENXIO);
 	*r_plugin = NULL;
@@ -349,11 +349,12 @@ int snd_pcm_plugin_build_rate(snd_pcm_plug_t *plug,
 
 	err = snd_pcm_plugin_build(plug, "rate conversion",
 				   src_format, dst_format,
-				   sizeof(rate_t) + src_format->channels * sizeof(rate_channel_t),
+				   sizeof(struct rate_priv) +
+				   src_format->channels * sizeof(struct rate_channel),
 				   &plugin);
 	if (err < 0)
 		return err;
-	data = (rate_t *)plugin->extra_data;
+	data = (struct rate_priv *)plugin->extra_data;
 	data->get = getput_index(src_format->format);
 	snd_assert(data->get >= 0 && data->get < 4*2*2, return -EINVAL);
 	data->put = getput_index(dst_format->format);
diff --git a/sound/core/oss/route.c b/sound/core/oss/route.c
index 7519aed757cd..726c5caa3fdb 100644
--- a/sound/core/oss/route.c
+++ b/sound/core/oss/route.c
@@ -35,61 +35,62 @@
 #error "Add some code here"
 #endif
 
-typedef struct ttable_dst ttable_dst_t;
-typedef struct route_private_data route_t;
+struct ttable_dst;
 
-typedef void (*route_channel_f)(snd_pcm_plugin_t *plugin,
-			      const snd_pcm_plugin_channel_t *src_channels,
-			      snd_pcm_plugin_channel_t *dst_channel,
-			      ttable_dst_t* ttable, snd_pcm_uframes_t frames);
+typedef void (*route_channel_f)(struct snd_pcm_plugin *plugin,
+				const struct snd_pcm_plugin_channel *src_channels,
+				struct snd_pcm_plugin_channel *dst_channel,
+				struct ttable_dst *ttable, snd_pcm_uframes_t frames);
 
-typedef struct {
+struct ttable_src {
 	int channel;
 	int as_int;
-} ttable_src_t;
+};
 
 struct ttable_dst {
 	int att;	/* Attenuated */
 	unsigned int nsrcs;
-	ttable_src_t* srcs;
+	struct ttable_src *srcs;
 	route_channel_f func;
 };
 
-struct route_private_data {
+struct route_priv {
 	enum {R_UINT32=0, R_UINT64=1} sum_type;
 	int get, put;
 	int conv;
 	int src_sample_size;
-	ttable_dst_t ttable[0];
+	struct ttable_dst ttable[0];
 };
 
-typedef union {
+union sum {
 	u_int32_t as_uint32;
 	u_int64_t as_uint64;
-} sum_t;
+};
 
 
-static void route_to_channel_from_zero(snd_pcm_plugin_t *plugin,
-				     const snd_pcm_plugin_channel_t *src_channels,
-				     snd_pcm_plugin_channel_t *dst_channel,
-				     ttable_dst_t* ttable, snd_pcm_uframes_t frames)
+static void route_to_channel_from_zero(struct snd_pcm_plugin *plugin,
+				       const struct snd_pcm_plugin_channel *src_channels,
+				       struct snd_pcm_plugin_channel *dst_channel,
+				       struct ttable_dst *ttable,
+				       snd_pcm_uframes_t frames)
 {
 	if (dst_channel->wanted)
 		snd_pcm_area_silence(&dst_channel->area, 0, frames, plugin->dst_format.format);
 	dst_channel->enabled = 0;
 }
 
-static void route_to_channel_from_one(snd_pcm_plugin_t *plugin,
-				    const snd_pcm_plugin_channel_t *src_channels,
-				    snd_pcm_plugin_channel_t *dst_channel,
-				    ttable_dst_t* ttable, snd_pcm_uframes_t frames)
+static void route_to_channel_from_one(struct snd_pcm_plugin *plugin,
+				      const struct snd_pcm_plugin_channel *src_channels,
+				      struct snd_pcm_plugin_channel *dst_channel,
+				      struct ttable_dst *ttable,
+				      snd_pcm_uframes_t frames)
 {
 #define CONV_LABELS
 #include "plugin_ops.h"
 #undef CONV_LABELS
-	route_t *data = (route_t *)plugin->extra_data;
+	struct route_priv *data = (struct route_priv *)plugin->extra_data;
 	void *conv;
-	const snd_pcm_plugin_channel_t *src_channel = NULL;
+	const struct snd_pcm_plugin_channel *src_channel = NULL;
 	unsigned int srcidx;
 	char *src, *dst;
 	int src_step, dst_step;
@@ -120,10 +121,10 @@ static void route_to_channel_from_one(snd_pcm_plugin_t *plugin,
 	}
 }
 
-static void route_to_channel(snd_pcm_plugin_t *plugin,
-			   const snd_pcm_plugin_channel_t *src_channels,
-			   snd_pcm_plugin_channel_t *dst_channel,
-			   ttable_dst_t* ttable, snd_pcm_uframes_t frames)
+static void route_to_channel(struct snd_pcm_plugin *plugin,
+			     const struct snd_pcm_plugin_channel *src_channels,
+			     struct snd_pcm_plugin_channel *dst_channel,
+			     struct ttable_dst *ttable, snd_pcm_uframes_t frames)
 {
 #define GET_U_LABELS
 #define PUT_U32_LABELS
@@ -153,18 +154,18 @@ static void route_to_channel(snd_pcm_plugin_t *plugin,
 					 &&norm_int64_16_att,
 					 &&norm_int64_24_att,
 	};
-	route_t *data = (route_t *)plugin->extra_data;
+	struct route_priv *data = (struct route_priv *)plugin->extra_data;
 	void *zero, *get, *add, *norm, *put_u32;
 	int nsrcs = ttable->nsrcs;
 	char *dst;
 	int dst_step;
 	char *srcs[nsrcs];
 	int src_steps[nsrcs];
-	ttable_src_t src_tt[nsrcs];
+	struct ttable_src src_tt[nsrcs];
 	u_int32_t sample = 0;
 	int srcidx, srcidx1 = 0;
 	for (srcidx = 0; srcidx < nsrcs; ++srcidx) {
-		const snd_pcm_plugin_channel_t *src_channel = &src_channels[ttable->srcs[srcidx].channel];
+		const struct snd_pcm_plugin_channel *src_channel = &src_channels[ttable->srcs[srcidx].channel];
 		if (!src_channel->enabled)
 			continue;
 		srcs[srcidx1] = src_channel->area.addr + src_channel->area.first / 8;
@@ -191,8 +192,8 @@ static void route_to_channel(snd_pcm_plugin_t *plugin,
 	dst_step = dst_channel->area.step / 8;
 
 	while (frames-- > 0) {
-		ttable_src_t *ttp = src_tt;
-		sum_t sum;
+		struct ttable_src *ttp = src_tt;
+		union sum sum;
 
 		/* Zero sum */
 		goto *zero;
@@ -297,20 +298,20 @@ static void route_to_channel(snd_pcm_plugin_t *plugin,
 	}
 }
 
-static int route_src_channels_mask(snd_pcm_plugin_t *plugin,
+static int route_src_channels_mask(struct snd_pcm_plugin *plugin,
 				   unsigned long *dst_vmask,
 				   unsigned long **src_vmask)
 {
-	route_t *data = (route_t *)plugin->extra_data;
+	struct route_priv *data = (struct route_priv *)plugin->extra_data;
 	int schannels = plugin->src_format.channels;
 	int dchannels = plugin->dst_format.channels;
 	unsigned long *vmask = plugin->src_vmask;
 	int channel;
-	ttable_dst_t *dp = data->ttable;
+	struct ttable_dst *dp = data->ttable;
 	bitmap_zero(vmask, schannels);
 	for (channel = 0; channel < dchannels; channel++, dp++) {
 		unsigned int src;
-		ttable_src_t *sp;
+		struct ttable_src *sp;
 		if (!test_bit(channel, dst_vmask))
 			continue;
 		sp = dp->srcs;
@@ -321,19 +322,19 @@ static int route_src_channels_mask(snd_pcm_plugin_t *plugin,
 	return 0;
 }
 
-static int route_dst_channels_mask(snd_pcm_plugin_t *plugin,
+static int route_dst_channels_mask(struct snd_pcm_plugin *plugin,
 				   unsigned long *src_vmask,
 				   unsigned long **dst_vmask)
 {
-	route_t *data = (route_t *)plugin->extra_data;
+	struct route_priv *data = (struct route_priv *)plugin->extra_data;
 	int dchannels = plugin->dst_format.channels;
 	unsigned long *vmask = plugin->dst_vmask;
 	int channel;
-	ttable_dst_t *dp = data->ttable;
+	struct ttable_dst *dp = data->ttable;
 	bitmap_zero(vmask, dchannels);
 	for (channel = 0; channel < dchannels; channel++, dp++) {
 		unsigned int src;
-		ttable_src_t *sp;
+		struct ttable_src *sp;
 		sp = dp->srcs;
 		for (src = 0; src < dp->nsrcs; src++, sp++) {
 			if (test_bit(sp->channel, src_vmask)) {
@@ -346,33 +347,33 @@ static int route_dst_channels_mask(snd_pcm_plugin_t *plugin,
 	return 0;
 }
 
-static void route_free(snd_pcm_plugin_t *plugin)
+static void route_free(struct snd_pcm_plugin *plugin)
 {
-	route_t *data = (route_t *)plugin->extra_data;
+	struct route_priv *data = (struct route_priv *)plugin->extra_data;
 	unsigned int dst_channel;
 	for (dst_channel = 0; dst_channel < plugin->dst_format.channels; ++dst_channel) {
 		kfree(data->ttable[dst_channel].srcs);
 	}
 }
 
-static int route_load_ttable(snd_pcm_plugin_t *plugin, 
-			     const route_ttable_entry_t* src_ttable)
+static int route_load_ttable(struct snd_pcm_plugin *plugin, 
+			     const int *src_ttable)
 {
-	route_t *data;
+	struct route_priv *data;
 	unsigned int src_channel, dst_channel;
-	const route_ttable_entry_t *sptr;
-	ttable_dst_t *dptr;
+	const int *sptr;
+	struct ttable_dst *dptr;
 	if (src_ttable == NULL)
 		return 0;
-	data = (route_t *)plugin->extra_data;
+	data = (struct route_priv *)plugin->extra_data;
 	dptr = data->ttable;
 	sptr = src_ttable;
 	plugin->private_free = route_free;
 	for (dst_channel = 0; dst_channel < plugin->dst_format.channels; ++dst_channel) {
-		route_ttable_entry_t t = 0;
+		int t = 0;
 		int att = 0;
 		int nsrcs = 0;
-		ttable_src_t srcs[plugin->src_format.channels];
+		struct ttable_src srcs[plugin->src_format.channels];
 		for (src_channel = 0; src_channel < plugin->src_format.channels; ++src_channel) {
 			snd_assert(*sptr >= 0 || *sptr <= FULL, return -ENXIO);
 			if (*sptr != 0) {
@@ -405,21 +406,21 @@ static int route_load_ttable(snd_pcm_plugin_t *plugin,
 	return 0;
 }
 
-static snd_pcm_sframes_t route_transfer(snd_pcm_plugin_t *plugin,
-			      const snd_pcm_plugin_channel_t *src_channels,
-			      snd_pcm_plugin_channel_t *dst_channels,
+static snd_pcm_sframes_t route_transfer(struct snd_pcm_plugin *plugin,
+			      const struct snd_pcm_plugin_channel *src_channels,
+			      struct snd_pcm_plugin_channel *dst_channels,
 			      snd_pcm_uframes_t frames)
 {
-	route_t *data;
+	struct route_priv *data;
 	int src_nchannels, dst_nchannels;
 	int dst_channel;
-	ttable_dst_t *ttp;
-	snd_pcm_plugin_channel_t *dvp;
+	struct ttable_dst *ttp;
+	struct snd_pcm_plugin_channel *dvp;
 
 	snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
 	if (frames == 0)
 		return 0;
-	data = (route_t *)plugin->extra_data;
+	data = (struct route_priv *)plugin->extra_data;
 
 	src_nchannels = plugin->src_format.channels;
 	dst_nchannels = plugin->dst_format.channels;
@@ -469,14 +470,14 @@ int getput_index(int format)
 	return width * 4 + endian * 2 + sign;
 }
 
-int snd_pcm_plugin_build_route(snd_pcm_plug_t *plug,
-			       snd_pcm_plugin_format_t *src_format,
-			       snd_pcm_plugin_format_t *dst_format,
-			       route_ttable_entry_t *ttable,
-			       snd_pcm_plugin_t **r_plugin)
+int snd_pcm_plugin_build_route(struct snd_pcm_substream *plug,
+			       struct snd_pcm_plugin_format *src_format,
+			       struct snd_pcm_plugin_format *dst_format,
+			       int *ttable,
+			       struct snd_pcm_plugin **r_plugin)
 {
-	route_t *data;
-	snd_pcm_plugin_t *plugin;
+	struct route_priv *data;
+	struct snd_pcm_plugin *plugin;
 	int err;
 
 	snd_assert(r_plugin != NULL, return -ENXIO);
@@ -488,12 +489,13 @@ int snd_pcm_plugin_build_route(snd_pcm_plug_t *plug,
 
 	err = snd_pcm_plugin_build(plug, "attenuated route conversion",
 				   src_format, dst_format,
-				   sizeof(route_t) + sizeof(data->ttable[0]) * dst_format->channels,
+				   sizeof(struct route_priv) +
+				   sizeof(data->ttable[0]) * dst_format->channels,
 				   &plugin);
 	if (err < 0)
 		return err;
 
-	data = (route_t *) plugin->extra_data;
+	data = (struct route_priv *)plugin->extra_data;
 
 	data->get = getput_index(src_format->format);
 	snd_assert(data->get >= 0 && data->get < 4*2*2, return -EINVAL);