diff options
| -rw-r--r-- | sound/firewire/oxfw/oxfw-midi.c | 4 | ||||
| -rw-r--r-- | sound/firewire/oxfw/oxfw-pcm.c | 17 | ||||
| -rw-r--r-- | sound/firewire/oxfw/oxfw-stream.c | 5 | ||||
| -rw-r--r-- | sound/firewire/oxfw/oxfw.h | 3 |
4 files changed, 22 insertions, 7 deletions
diff --git a/sound/firewire/oxfw/oxfw-midi.c b/sound/firewire/oxfw/oxfw-midi.c index 72db7a17d0ad..775cba3f1f02 100644 --- a/sound/firewire/oxfw/oxfw-midi.c +++ b/sound/firewire/oxfw/oxfw-midi.c @@ -18,7 +18,7 @@ static int midi_capture_open(struct snd_rawmidi_substream *substream) mutex_lock(&oxfw->mutex); - err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->tx_stream, 0, 0, 0); + err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->tx_stream, 0, 0, 0, 0); if (err >= 0) { ++oxfw->substreams_count; err = snd_oxfw_stream_start_duplex(oxfw); @@ -45,7 +45,7 @@ static int midi_playback_open(struct snd_rawmidi_substream *substream) mutex_lock(&oxfw->mutex); - err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->rx_stream, 0, 0, 0); + err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->rx_stream, 0, 0, 0, 0); if (err >= 0) { ++oxfw->substreams_count; err = snd_oxfw_stream_start_duplex(oxfw); diff --git a/sound/firewire/oxfw/oxfw-pcm.c b/sound/firewire/oxfw/oxfw-pcm.c index f3e25898d270..ba586d1ac91d 100644 --- a/sound/firewire/oxfw/oxfw-pcm.c +++ b/sound/firewire/oxfw/oxfw-pcm.c @@ -188,6 +188,7 @@ static int pcm_open(struct snd_pcm_substream *substream) // at current one. if (oxfw->substreams_count > 0 && d->events_per_period > 0) { unsigned int frames_per_period = d->events_per_period; + unsigned int frames_per_buffer = d->events_per_buffer; err = limit_to_current_params(substream); if (err < 0) { @@ -203,6 +204,14 @@ static int pcm_open(struct snd_pcm_substream *substream) mutex_unlock(&oxfw->mutex); goto err_locked; } + + err = snd_pcm_hw_constraint_minmax(substream->runtime, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, + frames_per_buffer, frames_per_buffer); + if (err < 0) { + mutex_unlock(&oxfw->mutex); + goto err_locked; + } } } @@ -239,10 +248,12 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream, unsigned int rate = params_rate(hw_params); unsigned int channels = params_channels(hw_params); unsigned int frames_per_period = params_period_size(hw_params); + unsigned int frames_per_buffer = params_buffer_size(hw_params); mutex_lock(&oxfw->mutex); err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->tx_stream, - rate, channels, frames_per_period); + rate, channels, frames_per_period, + frames_per_buffer); if (err >= 0) ++oxfw->substreams_count; mutex_unlock(&oxfw->mutex); @@ -265,10 +276,12 @@ static int pcm_playback_hw_params(struct snd_pcm_substream *substream, unsigned int rate = params_rate(hw_params); unsigned int channels = params_channels(hw_params); unsigned int frames_per_period = params_period_size(hw_params); + unsigned int frames_per_buffer = params_buffer_size(hw_params); mutex_lock(&oxfw->mutex); err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->rx_stream, - rate, channels, frames_per_period); + rate, channels, frames_per_period, + frames_per_buffer); if (err >= 0) ++oxfw->substreams_count; mutex_unlock(&oxfw->mutex); diff --git a/sound/firewire/oxfw/oxfw-stream.c b/sound/firewire/oxfw/oxfw-stream.c index 318de8217b3a..995e9c5bd84b 100644 --- a/sound/firewire/oxfw/oxfw-stream.c +++ b/sound/firewire/oxfw/oxfw-stream.c @@ -245,7 +245,8 @@ static int keep_resources(struct snd_oxfw *oxfw, struct amdtp_stream *stream) int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw, struct amdtp_stream *stream, unsigned int rate, unsigned int pcm_channels, - unsigned int frames_per_period) + unsigned int frames_per_period, + unsigned int frames_per_buffer) { struct snd_oxfw_stream_formation formation; enum avc_general_plug_dir dir; @@ -308,7 +309,7 @@ int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw, } err = amdtp_domain_set_events_per_period(&oxfw->domain, - frames_per_period, 0); + frames_per_period, frames_per_buffer); if (err < 0) { cmp_connection_release(&oxfw->in_conn); if (oxfw->has_output) diff --git a/sound/firewire/oxfw/oxfw.h b/sound/firewire/oxfw/oxfw.h index 422746ef2439..c30e537087b0 100644 --- a/sound/firewire/oxfw/oxfw.h +++ b/sound/firewire/oxfw/oxfw.h @@ -104,7 +104,8 @@ int snd_oxfw_stream_init_duplex(struct snd_oxfw *oxfw); int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw, struct amdtp_stream *stream, unsigned int rate, unsigned int pcm_channels, - unsigned int frames_per_period); + unsigned int frames_per_period, + unsigned int frames_per_buffer); int snd_oxfw_stream_start_duplex(struct snd_oxfw *oxfw); void snd_oxfw_stream_stop_duplex(struct snd_oxfw *oxfw); void snd_oxfw_stream_destroy_duplex(struct snd_oxfw *oxfw); |