diff options
| -rw-r--r-- | sound/firewire/tascam/tascam-pcm.c | 4 | ||||
| -rw-r--r-- | sound/firewire/tascam/tascam-stream.c | 11 | ||||
| -rw-r--r-- | sound/firewire/tascam/tascam.h | 3 |
3 files changed, 15 insertions, 3 deletions
diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c index 2377732caa52..cea26d5eff1a 100644 --- a/sound/firewire/tascam/tascam-pcm.c +++ b/sound/firewire/tascam/tascam-pcm.c @@ -99,9 +99,11 @@ 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); mutex_lock(&tscm->mutex); - err = snd_tscm_stream_reserve_duplex(tscm, rate); + err = snd_tscm_stream_reserve_duplex(tscm, rate, + frames_per_period); if (err >= 0) ++tscm->substreams_counter; mutex_unlock(&tscm->mutex); diff --git a/sound/firewire/tascam/tascam-stream.c b/sound/firewire/tascam/tascam-stream.c index adf69a520b80..8c04a0ad17d9 100644 --- a/sound/firewire/tascam/tascam-stream.c +++ b/sound/firewire/tascam/tascam-stream.c @@ -383,7 +383,8 @@ void snd_tscm_stream_destroy_duplex(struct snd_tscm *tscm) destroy_stream(tscm, &tscm->tx_stream); } -int snd_tscm_stream_reserve_duplex(struct snd_tscm *tscm, unsigned int rate) +int snd_tscm_stream_reserve_duplex(struct snd_tscm *tscm, unsigned int rate, + unsigned int frames_per_period) { unsigned int curr_rate; int err; @@ -413,6 +414,14 @@ int snd_tscm_stream_reserve_duplex(struct snd_tscm *tscm, unsigned int rate) fw_iso_resources_free(&tscm->tx_resources); return err; } + + err = amdtp_domain_set_events_per_period(&tscm->domain, + frames_per_period); + if (err < 0) { + fw_iso_resources_free(&tscm->tx_resources); + fw_iso_resources_free(&tscm->rx_resources); + return err; + } } return 0; diff --git a/sound/firewire/tascam/tascam.h b/sound/firewire/tascam/tascam.h index 15bd335fa07f..32e72a25bf46 100644 --- a/sound/firewire/tascam/tascam.h +++ b/sound/firewire/tascam/tascam.h @@ -168,7 +168,8 @@ int snd_tscm_stream_get_clock(struct snd_tscm *tscm, int snd_tscm_stream_init_duplex(struct snd_tscm *tscm); void snd_tscm_stream_update_duplex(struct snd_tscm *tscm); void snd_tscm_stream_destroy_duplex(struct snd_tscm *tscm); -int snd_tscm_stream_reserve_duplex(struct snd_tscm *tscm, unsigned int rate); +int snd_tscm_stream_reserve_duplex(struct snd_tscm *tscm, unsigned int rate, + unsigned int frames_per_period); int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate); void snd_tscm_stream_stop_duplex(struct snd_tscm *tscm); |