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authorTakashi Iwai <tiwai@suse.de>2014-01-20 15:48:55 +0100
committerTakashi Iwai <tiwai@suse.de>2014-01-20 15:48:55 +0100
commit7552f34a790069a008bd3e2ab4c0954b30c2f63b (patch)
treed51ab23d4d59248c969c25bb2fc14f45158ff5ae
parent258753361534a40ad7180c742da813fc659e427b (diff)
parentac6d7c48e3a5e82e876114b9ca0b489e96997743 (diff)
downloadlinux-7552f34a790069a008bd3e2ab4c0954b30c2f63b.tar.bz2
Merge tag 'asoc-v3.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Last updates for the merge window A couple more fixes plus some extensions to DPCM for use with compressed audio from Liam which arrived just after my previous pull request.
-rw-r--r--include/sound/soc-dpcm.h22
-rw-r--r--include/sound/soc.h1
-rw-r--r--sound/soc/soc-compress.c301
-rw-r--r--sound/soc/soc-dapm.c11
-rw-r--r--sound/soc/soc-generic-dmaengine-pcm.c9
-rw-r--r--sound/soc/soc-pcm.c29
6 files changed, 347 insertions, 26 deletions
diff --git a/include/sound/soc-dpcm.h b/include/sound/soc-dpcm.h
index 047d657c331c..2883a7a6f9f3 100644
--- a/include/sound/soc-dpcm.h
+++ b/include/sound/soc-dpcm.h
@@ -11,6 +11,7 @@
#ifndef __LINUX_SND_SOC_DPCM_H
#define __LINUX_SND_SOC_DPCM_H
+#include <linux/slab.h>
#include <linux/list.h>
#include <sound/pcm.h>
@@ -135,4 +136,25 @@ int soc_dpcm_be_digital_mute(struct snd_soc_pcm_runtime *fe, int mute);
int soc_dpcm_debugfs_add(struct snd_soc_pcm_runtime *rtd);
int soc_dpcm_runtime_update(struct snd_soc_card *);
+int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
+ int stream, struct snd_soc_dapm_widget_list **list_);
+int dpcm_process_paths(struct snd_soc_pcm_runtime *fe,
+ int stream, struct snd_soc_dapm_widget_list **list, int new);
+int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream);
+int dpcm_be_dai_shutdown(struct snd_soc_pcm_runtime *fe, int stream);
+void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream);
+void dpcm_clear_pending_state(struct snd_soc_pcm_runtime *fe, int stream);
+int dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream);
+int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int tream);
+int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream, int cmd);
+int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream);
+int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,
+ int event);
+
+static inline void dpcm_path_put(struct snd_soc_dapm_widget_list **list)
+{
+ kfree(*list);
+}
+
+
#endif
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 03ce45bf8ade..9a001472b96a 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1042,6 +1042,7 @@ struct snd_soc_pcm_runtime {
/* Dynamic PCM BE runtime data */
struct snd_soc_dpcm_runtime dpcm[2];
+ int fe_compr;
long pmdown_time;
unsigned char pop_wait:1;
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index 53c9ecdd119f..5e9690c85d8f 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -24,6 +24,7 @@
#include <sound/compress_driver.h>
#include <sound/soc.h>
#include <sound/initval.h>
+#include <sound/soc-dpcm.h>
static int soc_compr_open(struct snd_compr_stream *cstream)
{
@@ -75,6 +76,98 @@ out:
return ret;
}
+static int soc_compr_open_fe(struct snd_compr_stream *cstream)
+{
+ struct snd_soc_pcm_runtime *fe = cstream->private_data;
+ struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream;
+ struct snd_soc_platform *platform = fe->platform;
+ struct snd_soc_dai *cpu_dai = fe->cpu_dai;
+ struct snd_soc_dai *codec_dai = fe->codec_dai;
+ struct snd_soc_dpcm *dpcm;
+ struct snd_soc_dapm_widget_list *list;
+ int stream;
+ int ret = 0;
+
+ if (cstream->direction == SND_COMPRESS_PLAYBACK)
+ stream = SNDRV_PCM_STREAM_PLAYBACK;
+ else
+ stream = SNDRV_PCM_STREAM_CAPTURE;
+
+ mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+
+ if (platform->driver->compr_ops && platform->driver->compr_ops->open) {
+ ret = platform->driver->compr_ops->open(cstream);
+ if (ret < 0) {
+ pr_err("compress asoc: can't open platform %s\n", platform->name);
+ goto out;
+ }
+ }
+
+ if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->startup) {
+ ret = fe->dai_link->compr_ops->startup(cstream);
+ if (ret < 0) {
+ pr_err("compress asoc: %s startup failed\n", fe->dai_link->name);
+ goto machine_err;
+ }
+ }
+
+ fe->dpcm[stream].runtime = fe_substream->runtime;
+
+ if (dpcm_path_get(fe, stream, &list) <= 0) {
+ dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
+ fe->dai_link->name, stream ? "capture" : "playback");
+ }
+
+ /* calculate valid and active FE <-> BE dpcms */
+ dpcm_process_paths(fe, stream, &list, 1);
+
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+
+ ret = dpcm_be_dai_startup(fe, stream);
+ if (ret < 0) {
+ /* clean up all links */
+ list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be)
+ dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
+
+ dpcm_be_disconnect(fe, stream);
+ fe->dpcm[stream].runtime = NULL;
+ goto fe_err;
+ }
+
+ dpcm_clear_pending_state(fe, stream);
+ dpcm_path_put(&list);
+
+ fe->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN;
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+
+ if (cstream->direction == SND_COMPRESS_PLAYBACK) {
+ cpu_dai->playback_active++;
+ codec_dai->playback_active++;
+ } else {
+ cpu_dai->capture_active++;
+ codec_dai->capture_active++;
+ }
+
+ cpu_dai->active++;
+ codec_dai->active++;
+ fe->codec->active++;
+
+ mutex_unlock(&fe->card->mutex);
+
+ return 0;
+
+fe_err:
+ if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
+ fe->dai_link->compr_ops->shutdown(cstream);
+machine_err:
+ if (platform->driver->compr_ops && platform->driver->compr_ops->free)
+ platform->driver->compr_ops->free(cstream);
+out:
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ mutex_unlock(&fe->card->mutex);
+ return ret;
+}
+
/*
* Power down the audio subsystem pmdown_time msecs after close is called.
* This is to ensure there are no pops or clicks in between any music tracks
@@ -164,6 +257,65 @@ static int soc_compr_free(struct snd_compr_stream *cstream)
return 0;
}
+static int soc_compr_free_fe(struct snd_compr_stream *cstream)
+{
+ struct snd_soc_pcm_runtime *fe = cstream->private_data;
+ struct snd_soc_platform *platform = fe->platform;
+ struct snd_soc_dai *cpu_dai = fe->cpu_dai;
+ struct snd_soc_dai *codec_dai = fe->codec_dai;
+ struct snd_soc_dpcm *dpcm;
+ int stream, ret;
+
+ mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+
+ if (cstream->direction == SND_COMPRESS_PLAYBACK) {
+ stream = SNDRV_PCM_STREAM_PLAYBACK;
+ cpu_dai->playback_active--;
+ codec_dai->playback_active--;
+ } else {
+ stream = SNDRV_PCM_STREAM_CAPTURE;
+ cpu_dai->capture_active--;
+ codec_dai->capture_active--;
+ }
+
+ cpu_dai->active--;
+ codec_dai->active--;
+ fe->codec->active--;
+
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+
+ ret = dpcm_be_dai_hw_free(fe, stream);
+ if (ret < 0)
+ dev_err(fe->dev, "compressed hw_free failed %d\n", ret);
+
+ ret = dpcm_be_dai_shutdown(fe, stream);
+
+ /* mark FE's links ready to prune */
+ list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be)
+ dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
+ else
+ dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
+
+ fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+
+ dpcm_be_disconnect(fe, stream);
+
+ fe->dpcm[stream].runtime = NULL;
+
+ if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
+ fe->dai_link->compr_ops->shutdown(cstream);
+
+ if (platform->driver->compr_ops && platform->driver->compr_ops->free)
+ platform->driver->compr_ops->free(cstream);
+
+ mutex_unlock(&fe->card->mutex);
+ return 0;
+}
+
static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd)
{
@@ -194,6 +346,59 @@ out:
return ret;
}
+static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
+{
+ struct snd_soc_pcm_runtime *fe = cstream->private_data;
+ struct snd_soc_platform *platform = fe->platform;
+ int ret = 0, stream;
+
+ if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN ||
+ cmd == SND_COMPR_TRIGGER_DRAIN) {
+
+ if (platform->driver->compr_ops &&
+ platform->driver->compr_ops->trigger)
+ return platform->driver->compr_ops->trigger(cstream, cmd);
+ }
+
+ if (cstream->direction == SND_COMPRESS_PLAYBACK)
+ stream = SNDRV_PCM_STREAM_PLAYBACK;
+ else
+ stream = SNDRV_PCM_STREAM_CAPTURE;
+
+
+ mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+
+ if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) {
+ ret = platform->driver->compr_ops->trigger(cstream, cmd);
+ if (ret < 0)
+ goto out;
+ }
+
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+
+ ret = dpcm_be_dai_trigger(fe, stream, cmd);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ fe->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ fe->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED;
+ break;
+ }
+
+out:
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ mutex_unlock(&fe->card->mutex);
+ return ret;
+}
+
static int soc_compr_set_params(struct snd_compr_stream *cstream,
struct snd_compr_params *params)
{
@@ -241,6 +446,64 @@ err:
return ret;
}
+static int soc_compr_set_params_fe(struct snd_compr_stream *cstream,
+ struct snd_compr_params *params)
+{
+ struct snd_soc_pcm_runtime *fe = cstream->private_data;
+ struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream;
+ struct snd_soc_platform *platform = fe->platform;
+ int ret = 0, stream;
+
+ if (cstream->direction == SND_COMPRESS_PLAYBACK)
+ stream = SNDRV_PCM_STREAM_PLAYBACK;
+ else
+ stream = SNDRV_PCM_STREAM_CAPTURE;
+
+ mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+
+ if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
+ ret = platform->driver->compr_ops->set_params(cstream, params);
+ if (ret < 0)
+ goto out;
+ }
+
+ if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->set_params) {
+ ret = fe->dai_link->compr_ops->set_params(cstream);
+ if (ret < 0)
+ goto out;
+ }
+
+ /*
+ * Create an empty hw_params for the BE as the machine driver must
+ * fix this up to match DSP decoder and ASRC configuration.
+ * I.e. machine driver fixup for compressed BE is mandatory.
+ */
+ memset(&fe->dpcm[fe_substream->stream].hw_params, 0,
+ sizeof(struct snd_pcm_hw_params));
+
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+
+ ret = dpcm_be_dai_hw_params(fe, stream);
+ if (ret < 0)
+ goto out;
+
+ ret = dpcm_be_dai_prepare(fe, stream);
+ if (ret < 0)
+ goto out;
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START);
+ else
+ dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START);
+
+ fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE;
+
+out:
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ mutex_unlock(&fe->card->mutex);
+ return ret;
+}
+
static int soc_compr_get_params(struct snd_compr_stream *cstream,
struct snd_codec *params)
{
@@ -360,6 +623,7 @@ static int soc_compr_get_metadata(struct snd_compr_stream *cstream,
return ret;
}
+
/* ASoC Compress operations */
static struct snd_compr_ops soc_compr_ops = {
.open = soc_compr_open,
@@ -375,6 +639,21 @@ static struct snd_compr_ops soc_compr_ops = {
.get_codec_caps = soc_compr_get_codec_caps
};
+/* ASoC Dynamic Compress operations */
+static struct snd_compr_ops soc_compr_dyn_ops = {
+ .open = soc_compr_open_fe,
+ .free = soc_compr_free_fe,
+ .set_params = soc_compr_set_params_fe,
+ .get_params = soc_compr_get_params,
+ .set_metadata = soc_compr_set_metadata,
+ .get_metadata = soc_compr_get_metadata,
+ .trigger = soc_compr_trigger_fe,
+ .pointer = soc_compr_pointer,
+ .ack = soc_compr_ack,
+ .get_caps = soc_compr_get_caps,
+ .get_codec_caps = soc_compr_get_codec_caps
+};
+
/* create a new compress */
int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
{
@@ -383,6 +662,7 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_compr *compr;
+ struct snd_pcm *be_pcm;
char new_name[64];
int ret = 0, direction = 0;
@@ -410,7 +690,26 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
ret = -ENOMEM;
goto compr_err;
}
- memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops));
+
+ if (rtd->dai_link->dynamic) {
+ snprintf(new_name, sizeof(new_name), "(%s)",
+ rtd->dai_link->stream_name);
+
+ ret = snd_pcm_new_internal(rtd->card->snd_card, new_name, num,
+ 1, 0, &be_pcm);
+ if (ret < 0) {
+ dev_err(rtd->card->dev, "ASoC: can't create compressed for %s\n",
+ rtd->dai_link->name);
+ goto compr_err;
+ }
+
+ rtd->pcm = be_pcm;
+ rtd->fe_compr = 1;
+ be_pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd;
+ be_pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd;
+ memcpy(compr->ops, &soc_compr_dyn_ops, sizeof(soc_compr_dyn_ops));
+ } else
+ memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops));
/* Add copy callback for not memory mapped DSPs */
if (platform->driver->compr_ops && platform->driver->compr_ops->copy)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 2a44fe9122a2..dc8ff13187f7 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2476,7 +2476,8 @@ err:
}
static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
- const struct snd_soc_dapm_route *route)
+ const struct snd_soc_dapm_route *route,
+ unsigned int is_prefixed)
{
struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
struct snd_soc_dapm_widget *wtsource = NULL, *wtsink = NULL;
@@ -2486,7 +2487,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
char prefixed_source[80];
int ret;
- if (dapm->codec && dapm->codec->name_prefix) {
+ if (dapm->codec && dapm->codec->name_prefix && !is_prefixed) {
snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
dapm->codec->name_prefix, route->sink);
sink = prefixed_sink;
@@ -2614,7 +2615,7 @@ int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
for (i = 0; i < num; i++) {
- r = snd_soc_dapm_add_route(dapm, route);
+ r = snd_soc_dapm_add_route(dapm, route, false);
if (r < 0) {
dev_err(dapm->dev, "ASoC: Failed to add route %s -> %s -> %s\n",
route->source,
@@ -3670,7 +3671,7 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
cpu_dai->codec->name, r.source,
codec_dai->platform->name, r.sink);
- snd_soc_dapm_add_route(&card->dapm, &r);
+ snd_soc_dapm_add_route(&card->dapm, &r, true);
}
/* connect BE DAI capture if widgets are valid */
@@ -3681,7 +3682,7 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
codec_dai->codec->name, r.source,
cpu_dai->platform->name, r.sink);
- snd_soc_dapm_add_route(&card->dapm, &r);
+ snd_soc_dapm_add_route(&card->dapm, &r, true);
}
}
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index 560a7787d8a7..5bace124ef43 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -176,17 +176,20 @@ static struct dma_chan *dmaengine_pcm_compat_request_channel(
{
struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
struct snd_dmaengine_dai_dma_data *dma_data;
+ dma_filter_fn fn = NULL;
dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
if ((pcm->flags & SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX) && pcm->chan[0])
return pcm->chan[0];
- if (pcm->config->compat_request_channel)
+ if (pcm->config && pcm->config->compat_request_channel)
return pcm->config->compat_request_channel(rtd, substream);
- return snd_dmaengine_pcm_request_channel(pcm->config->compat_filter_fn,
- dma_data->filter_data);
+ if (pcm->config)
+ fn = pcm->config->compat_filter_fn;
+
+ return snd_dmaengine_pcm_request_channel(fn, dma_data->filter_data);
}
static bool dmaengine_pcm_can_report_residue(struct dma_chan *chan)
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 5932971cf54d..47e1ce771e65 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -58,7 +58,7 @@ int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams);
/* DPCM stream event, send event to FE and all active BEs. */
-static int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,
+int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,
int event)
{
struct snd_soc_dpcm *dpcm;
@@ -885,7 +885,7 @@ static void dpcm_be_reparent(struct snd_soc_pcm_runtime *fe,
}
/* disconnect a BE and FE */
-static void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream)
+void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm, *d;
@@ -981,7 +981,7 @@ static int widget_in_list(struct snd_soc_dapm_widget_list *list,
return 0;
}
-static int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
+int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
int stream, struct snd_soc_dapm_widget_list **list_)
{
struct snd_soc_dai *cpu_dai = fe->cpu_dai;
@@ -1003,11 +1003,6 @@ static int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
return paths;
}
-static inline void dpcm_path_put(struct snd_soc_dapm_widget_list **list)
-{
- kfree(*list);
-}
-
static int dpcm_prune_paths(struct snd_soc_pcm_runtime *fe, int stream,
struct snd_soc_dapm_widget_list **list_)
{
@@ -1077,7 +1072,7 @@ static int dpcm_add_paths(struct snd_soc_pcm_runtime *fe, int stream,
continue;
/* don't connect if FE is not running */
- if (!fe->dpcm[stream].runtime)
+ if (!fe->dpcm[stream].runtime && !fe->fe_compr)
continue;
/* newly connected FE and BE */
@@ -1102,7 +1097,7 @@ static int dpcm_add_paths(struct snd_soc_pcm_runtime *fe, int stream,
* Find the corresponding BE DAIs that source or sink audio to this
* FE substream.
*/
-static int dpcm_process_paths(struct snd_soc_pcm_runtime *fe,
+int dpcm_process_paths(struct snd_soc_pcm_runtime *fe,
int stream, struct snd_soc_dapm_widget_list **list, int new)
{
if (new)
@@ -1111,7 +1106,7 @@ static int dpcm_process_paths(struct snd_soc_pcm_runtime *fe,
return dpcm_prune_paths(fe, stream, list);
}
-static void dpcm_clear_pending_state(struct snd_soc_pcm_runtime *fe, int stream)
+void dpcm_clear_pending_state(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
@@ -1149,7 +1144,7 @@ static void dpcm_be_dai_startup_unwind(struct snd_soc_pcm_runtime *fe,
}
}
-static int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream)
+int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
int err, count = 0;
@@ -1301,7 +1296,7 @@ be_err:
return ret;
}
-static int dpcm_be_dai_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
+int dpcm_be_dai_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
@@ -1362,7 +1357,7 @@ static int dpcm_fe_dai_shutdown(struct snd_pcm_substream *substream)
return 0;
}
-static int dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream)
+int dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
@@ -1427,7 +1422,7 @@ static int dpcm_fe_dai_hw_free(struct snd_pcm_substream *substream)
return 0;
}
-static int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int stream)
+int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
int ret;
@@ -1557,7 +1552,7 @@ static int dpcm_do_trigger(struct snd_soc_dpcm *dpcm,
return ret;
}
-static int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
+int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
int cmd)
{
struct snd_soc_dpcm *dpcm;
@@ -1725,7 +1720,7 @@ out:
return ret;
}
-static int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream)
+int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
int ret = 0;