diff options
Diffstat (limited to 'sound/firewire/oxfw/oxfw-pcm.c')
| -rw-r--r-- | sound/firewire/oxfw/oxfw-pcm.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/sound/firewire/oxfw/oxfw-pcm.c b/sound/firewire/oxfw/oxfw-pcm.c index f3530f89a025..3dd46285c0e2 100644 --- a/sound/firewire/oxfw/oxfw-pcm.c +++ b/sound/firewire/oxfw/oxfw-pcm.c @@ -106,18 +106,6 @@ static void limit_channels_and_rates(struct snd_pcm_hardware *hw, u8 **formats) } } -static void limit_period_and_buffer(struct snd_pcm_hardware *hw) -{ - hw->periods_min = 2; /* SNDRV_PCM_INFO_BATCH */ - hw->periods_max = UINT_MAX; - - hw->period_bytes_min = 4 * hw->channels_max; /* bytes for a frame */ - - /* Just to prevent from allocating much pages. */ - hw->period_bytes_max = hw->period_bytes_min * 2048; - hw->buffer_bytes_max = hw->period_bytes_max * hw->periods_min; -} - static int init_hw_params(struct snd_oxfw *oxfw, struct snd_pcm_substream *substream) { @@ -126,13 +114,6 @@ static int init_hw_params(struct snd_oxfw *oxfw, struct amdtp_stream *stream; int err; - runtime->hw.info = SNDRV_PCM_INFO_BATCH | - SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_JOINT_DUPLEX | - SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID; - if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { runtime->hw.formats = AM824_IN_PCM_FORMAT_BITS; stream = &oxfw->tx_stream; @@ -144,7 +125,6 @@ static int init_hw_params(struct snd_oxfw *oxfw, } limit_channels_and_rates(&runtime->hw, formats); - limit_period_and_buffer(&runtime->hw); err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, hw_rule_channels, formats, @@ -244,8 +224,6 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&oxfw->mutex); } - amdtp_am824_set_pcm_format(&oxfw->tx_stream, params_format(hw_params)); - return 0; } static int pcm_playback_hw_params(struct snd_pcm_substream *substream, @@ -265,8 +243,6 @@ static int pcm_playback_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&oxfw->mutex); } - amdtp_am824_set_pcm_format(&oxfw->rx_stream, params_format(hw_params)); - return 0; } @@ -386,6 +362,20 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstm) return amdtp_stream_pcm_pointer(&oxfw->rx_stream); } +static int pcm_capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_oxfw *oxfw = substream->private_data; + + return amdtp_stream_pcm_ack(&oxfw->tx_stream); +} + +static int pcm_playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_oxfw *oxfw = substream->private_data; + + return amdtp_stream_pcm_ack(&oxfw->rx_stream); +} + int snd_oxfw_create_pcm(struct snd_oxfw *oxfw) { static const struct snd_pcm_ops capture_ops = { @@ -397,6 +387,7 @@ int snd_oxfw_create_pcm(struct snd_oxfw *oxfw) .prepare = pcm_capture_prepare, .trigger = pcm_capture_trigger, .pointer = pcm_capture_pointer, + .ack = pcm_capture_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; @@ -409,6 +400,7 @@ int snd_oxfw_create_pcm(struct snd_oxfw *oxfw) .prepare = pcm_playback_prepare, .trigger = pcm_playback_trigger, .pointer = pcm_playback_pointer, + .ack = pcm_playback_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; |