diff options
Diffstat (limited to 'sound/firewire/fireworks')
-rw-r--r-- | sound/firewire/fireworks/fireworks.h | 3 | ||||
-rw-r--r-- | sound/firewire/fireworks/fireworks_midi.c | 2 | ||||
-rw-r--r-- | sound/firewire/fireworks/fireworks_pcm.c | 12 | ||||
-rw-r--r-- | sound/firewire/fireworks/fireworks_stream.c | 5 |
4 files changed, 17 insertions, 5 deletions
diff --git a/sound/firewire/fireworks/fireworks.h b/sound/firewire/fireworks/fireworks.h index fc5f945a49ff..dda797209a27 100644 --- a/sound/firewire/fireworks/fireworks.h +++ b/sound/firewire/fireworks/fireworks.h @@ -208,7 +208,8 @@ int snd_efw_command_set_sampling_rate(struct snd_efw *efw, unsigned int rate); int snd_efw_stream_init_duplex(struct snd_efw *efw); int snd_efw_stream_reserve_duplex(struct snd_efw *efw, unsigned int rate, - unsigned int frames_per_period); + unsigned int frames_per_period, + unsigned int frames_per_buffer); int snd_efw_stream_start_duplex(struct snd_efw *efw); void snd_efw_stream_stop_duplex(struct snd_efw *efw); void snd_efw_stream_update_duplex(struct snd_efw *efw); diff --git a/sound/firewire/fireworks/fireworks_midi.c b/sound/firewire/fireworks/fireworks_midi.c index e593f842ee8f..84621e356848 100644 --- a/sound/firewire/fireworks/fireworks_midi.c +++ b/sound/firewire/fireworks/fireworks_midi.c @@ -17,7 +17,7 @@ static int midi_open(struct snd_rawmidi_substream *substream) goto end; mutex_lock(&efw->mutex); - err = snd_efw_stream_reserve_duplex(efw, 0, 0); + err = snd_efw_stream_reserve_duplex(efw, 0, 0, 0); if (err >= 0) { ++efw->substreams_counter; err = snd_efw_stream_start_duplex(efw); diff --git a/sound/firewire/fireworks/fireworks_pcm.c b/sound/firewire/fireworks/fireworks_pcm.c index 314d1f8b8344..abcc53dac8a5 100644 --- a/sound/firewire/fireworks/fireworks_pcm.c +++ b/sound/firewire/fireworks/fireworks_pcm.c @@ -197,6 +197,7 @@ static int pcm_open(struct snd_pcm_substream *substream) if ((clock_source != SND_EFW_CLOCK_SOURCE_INTERNAL) || (efw->substreams_counter > 0 && d->events_per_period > 0)) { unsigned int frames_per_period = d->events_per_period; + unsigned int frames_per_buffer = d->events_per_buffer; unsigned int sampling_rate; err = snd_efw_command_get_sampling_rate(efw, &sampling_rate); @@ -215,6 +216,14 @@ static int pcm_open(struct snd_pcm_substream *substream) mutex_unlock(&efw->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(&efw->mutex); + goto err_locked; + } } } @@ -249,10 +258,11 @@ static int pcm_hw_params(struct snd_pcm_substream *substream, if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) { unsigned int rate = params_rate(hw_params); unsigned int frames_per_period = params_period_size(hw_params); + unsigned int frames_per_buffer = params_buffer_size(hw_params); mutex_lock(&efw->mutex); err = snd_efw_stream_reserve_duplex(efw, rate, - frames_per_period); + frames_per_period, frames_per_buffer); if (err >= 0) ++efw->substreams_counter; mutex_unlock(&efw->mutex); diff --git a/sound/firewire/fireworks/fireworks_stream.c b/sound/firewire/fireworks/fireworks_stream.c index e4d4dd08c60a..f35a33d4d4e6 100644 --- a/sound/firewire/fireworks/fireworks_stream.c +++ b/sound/firewire/fireworks/fireworks_stream.c @@ -182,7 +182,8 @@ static int keep_resources(struct snd_efw *efw, struct amdtp_stream *stream, } int snd_efw_stream_reserve_duplex(struct snd_efw *efw, unsigned int rate, - unsigned int frames_per_period) + unsigned int frames_per_period, + unsigned int frames_per_buffer) { unsigned int curr_rate; int err; @@ -231,7 +232,7 @@ int snd_efw_stream_reserve_duplex(struct snd_efw *efw, unsigned int rate, } err = amdtp_domain_set_events_per_period(&efw->domain, - frames_per_period, 0); + frames_per_period, frames_per_buffer); if (err < 0) { cmp_connection_release(&efw->in_conn); cmp_connection_release(&efw->out_conn); |