diff options
Diffstat (limited to 'sound/firewire/bebob/bebob_pcm.c')
| -rw-r--r-- | sound/firewire/bebob/bebob_pcm.c | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/sound/firewire/bebob/bebob_pcm.c b/sound/firewire/bebob/bebob_pcm.c index 9e27eb8e1dd4..e6adab3ef42e 100644 --- a/sound/firewire/bebob/bebob_pcm.c +++ b/sound/firewire/bebob/bebob_pcm.c @@ -92,19 +92,6 @@ limit_channels_and_rates(struct snd_pcm_hardware *hw, } } -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 pcm_init_hw_params(struct snd_bebob *bebob, struct snd_pcm_substream *substream) @@ -114,13 +101,6 @@ pcm_init_hw_params(struct snd_bebob *bebob, struct snd_bebob_stream_formation *formations; 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; s = &bebob->tx_stream; @@ -132,7 +112,6 @@ pcm_init_hw_params(struct snd_bebob *bebob, } limit_channels_and_rates(&runtime->hw, formations); - limit_period_and_buffer(&runtime->hw); err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, hw_rule_channels, formations, @@ -224,8 +203,6 @@ pcm_capture_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&bebob->mutex); } - amdtp_am824_set_pcm_format(&bebob->tx_stream, params_format(hw_params)); - return 0; } static int @@ -246,8 +223,6 @@ pcm_playback_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&bebob->mutex); } - amdtp_am824_set_pcm_format(&bebob->rx_stream, params_format(hw_params)); - return 0; } @@ -359,6 +334,20 @@ pcm_playback_pointer(struct snd_pcm_substream *sbstrm) return amdtp_stream_pcm_pointer(&bebob->rx_stream); } +static int pcm_capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_bebob *bebob = substream->private_data; + + return amdtp_stream_pcm_ack(&bebob->tx_stream); +} + +static int pcm_playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_bebob *bebob = substream->private_data; + + return amdtp_stream_pcm_ack(&bebob->rx_stream); +} + int snd_bebob_create_pcm_devices(struct snd_bebob *bebob) { static const struct snd_pcm_ops capture_ops = { @@ -370,6 +359,7 @@ int snd_bebob_create_pcm_devices(struct snd_bebob *bebob) .prepare = pcm_capture_prepare, .trigger = pcm_capture_trigger, .pointer = pcm_capture_pointer, + .ack = pcm_capture_ack, .page = snd_pcm_lib_get_vmalloc_page, }; static const struct snd_pcm_ops playback_ops = { @@ -381,6 +371,7 @@ int snd_bebob_create_pcm_devices(struct snd_bebob *bebob) .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, }; |