diff options
Diffstat (limited to 'sound/firewire/fireworks/fireworks_pcm.c')
| -rw-r--r-- | sound/firewire/fireworks/fireworks_pcm.c | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/sound/firewire/fireworks/fireworks_pcm.c b/sound/firewire/fireworks/fireworks_pcm.c index 9171702f7d0b..40faed5e6968 100644 --- a/sound/firewire/fireworks/fireworks_pcm.c +++ b/sound/firewire/fireworks/fireworks_pcm.c @@ -129,19 +129,6 @@ limit_channels(struct snd_pcm_hardware *hw, unsigned int *pcm_channels) } } -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_efw *efw, struct snd_pcm_substream *substream) @@ -151,13 +138,6 @@ pcm_init_hw_params(struct snd_efw *efw, unsigned int *pcm_channels; 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 = &efw->tx_stream; @@ -173,7 +153,6 @@ pcm_init_hw_params(struct snd_efw *efw, snd_pcm_limit_hw_rates(runtime); limit_channels(&runtime->hw, pcm_channels); - limit_period_and_buffer(&runtime->hw); err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, hw_rule_channels, pcm_channels, @@ -257,8 +236,6 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&efw->mutex); } - amdtp_am824_set_pcm_format(&efw->tx_stream, params_format(hw_params)); - return 0; } static int pcm_playback_hw_params(struct snd_pcm_substream *substream, @@ -278,8 +255,6 @@ static int pcm_playback_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&efw->mutex); } - amdtp_am824_set_pcm_format(&efw->rx_stream, params_format(hw_params)); - return 0; } @@ -383,6 +358,20 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstrm) return amdtp_stream_pcm_pointer(&efw->rx_stream); } +static int pcm_capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_efw *efw = substream->private_data; + + return amdtp_stream_pcm_ack(&efw->tx_stream); +} + +static int pcm_playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_efw *efw = substream->private_data; + + return amdtp_stream_pcm_ack(&efw->rx_stream); +} + int snd_efw_create_pcm_devices(struct snd_efw *efw) { static const struct snd_pcm_ops capture_ops = { @@ -394,6 +383,7 @@ int snd_efw_create_pcm_devices(struct snd_efw *efw) .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 = { @@ -405,6 +395,7 @@ int snd_efw_create_pcm_devices(struct snd_efw *efw) .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, }; |