diff options
Diffstat (limited to 'sound/firewire/bebob/bebob_pcm.c')
-rw-r--r-- | sound/firewire/bebob/bebob_pcm.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/sound/firewire/bebob/bebob_pcm.c b/sound/firewire/bebob/bebob_pcm.c index ea9b86450580..71b6ede31bb2 100644 --- a/sound/firewire/bebob/bebob_pcm.c +++ b/sound/firewire/bebob/bebob_pcm.c @@ -198,12 +198,16 @@ pcm_capture_hw_params(struct snd_pcm_substream *substream, return err; if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) { + unsigned int rate = params_rate(hw_params); + mutex_lock(&bebob->mutex); - bebob->substreams_counter++; + err = snd_bebob_stream_reserve_duplex(bebob, rate); + if (err >= 0) + ++bebob->substreams_counter; mutex_unlock(&bebob->mutex); } - return 0; + return err; } static int pcm_playback_hw_params(struct snd_pcm_substream *substream, @@ -218,12 +222,16 @@ pcm_playback_hw_params(struct snd_pcm_substream *substream, return err; if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) { + unsigned int rate = params_rate(hw_params); + mutex_lock(&bebob->mutex); - bebob->substreams_counter++; + err = snd_bebob_stream_reserve_duplex(bebob, rate); + if (err >= 0) + ++bebob->substreams_counter; mutex_unlock(&bebob->mutex); } - return 0; + return err; } static int @@ -261,10 +269,9 @@ static int pcm_capture_prepare(struct snd_pcm_substream *substream) { struct snd_bebob *bebob = substream->private_data; - struct snd_pcm_runtime *runtime = substream->runtime; int err; - err = snd_bebob_stream_start_duplex(bebob, runtime->rate); + err = snd_bebob_stream_start_duplex(bebob); if (err >= 0) amdtp_stream_pcm_prepare(&bebob->tx_stream); @@ -274,10 +281,9 @@ static int pcm_playback_prepare(struct snd_pcm_substream *substream) { struct snd_bebob *bebob = substream->private_data; - struct snd_pcm_runtime *runtime = substream->runtime; int err; - err = snd_bebob_stream_start_duplex(bebob, runtime->rate); + err = snd_bebob_stream_start_duplex(bebob); if (err >= 0) amdtp_stream_pcm_prepare(&bebob->rx_stream); |