diff options
Diffstat (limited to 'sound/firewire')
-rw-r--r-- | sound/firewire/digi00x/digi00x-midi.c | 2 | ||||
-rw-r--r-- | sound/firewire/digi00x/digi00x-pcm.c | 12 | ||||
-rw-r--r-- | sound/firewire/digi00x/digi00x-stream.c | 5 | ||||
-rw-r--r-- | sound/firewire/digi00x/digi00x.h | 3 |
4 files changed, 17 insertions, 5 deletions
diff --git a/sound/firewire/digi00x/digi00x-midi.c b/sound/firewire/digi00x/digi00x-midi.c index a407e795d8e7..68eb8c39afa6 100644 --- a/sound/firewire/digi00x/digi00x-midi.c +++ b/sound/firewire/digi00x/digi00x-midi.c @@ -17,7 +17,7 @@ static int midi_open(struct snd_rawmidi_substream *substream) return err; mutex_lock(&dg00x->mutex); - err = snd_dg00x_stream_reserve_duplex(dg00x, 0, 0); + err = snd_dg00x_stream_reserve_duplex(dg00x, 0, 0, 0); if (err >= 0) { ++dg00x->substreams_counter; err = snd_dg00x_stream_start_duplex(dg00x); diff --git a/sound/firewire/digi00x/digi00x-pcm.c b/sound/firewire/digi00x/digi00x-pcm.c index 8dbfb3ff17f6..c9a833dff20d 100644 --- a/sound/firewire/digi00x/digi00x-pcm.c +++ b/sound/firewire/digi00x/digi00x-pcm.c @@ -135,6 +135,7 @@ static int pcm_open(struct snd_pcm_substream *substream) if ((clock != SND_DG00X_CLOCK_INTERNAL) || (dg00x->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 rate; err = snd_dg00x_stream_get_external_rate(dg00x, &rate); @@ -153,6 +154,14 @@ static int pcm_open(struct snd_pcm_substream *substream) mutex_unlock(&dg00x->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(&dg00x->mutex); + goto err_locked; + } } } @@ -189,10 +198,11 @@ 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(&dg00x->mutex); err = snd_dg00x_stream_reserve_duplex(dg00x, rate, - frames_per_period); + frames_per_period, frames_per_buffer); if (err >= 0) ++dg00x->substreams_counter; mutex_unlock(&dg00x->mutex); diff --git a/sound/firewire/digi00x/digi00x-stream.c b/sound/firewire/digi00x/digi00x-stream.c index 83659fc0ef25..0c539188ba18 100644 --- a/sound/firewire/digi00x/digi00x-stream.c +++ b/sound/firewire/digi00x/digi00x-stream.c @@ -284,7 +284,8 @@ void snd_dg00x_stream_destroy_duplex(struct snd_dg00x *dg00x) } int snd_dg00x_stream_reserve_duplex(struct snd_dg00x *dg00x, unsigned int rate, - unsigned int frames_per_period) + unsigned int frames_per_period, + unsigned int frames_per_buffer) { unsigned int curr_rate; int err; @@ -318,7 +319,7 @@ int snd_dg00x_stream_reserve_duplex(struct snd_dg00x *dg00x, unsigned int rate, } err = amdtp_domain_set_events_per_period(&dg00x->domain, - frames_per_period, 0); + frames_per_period, frames_per_buffer); if (err < 0) { fw_iso_resources_free(&dg00x->rx_resources); fw_iso_resources_free(&dg00x->tx_resources); diff --git a/sound/firewire/digi00x/digi00x.h b/sound/firewire/digi00x/digi00x.h index d93694282568..129de8edd5ea 100644 --- a/sound/firewire/digi00x/digi00x.h +++ b/sound/firewire/digi00x/digi00x.h @@ -142,7 +142,8 @@ int snd_dg00x_stream_check_external_clock(struct snd_dg00x *dg00x, bool *detect); int snd_dg00x_stream_init_duplex(struct snd_dg00x *dg00x); int snd_dg00x_stream_reserve_duplex(struct snd_dg00x *dg00x, unsigned int rate, - unsigned int frames_per_period); + unsigned int frames_per_period, + unsigned int frames_per_buffer); int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x); void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x); void snd_dg00x_stream_update_duplex(struct snd_dg00x *dg00x); |