diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
| commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
| tree | aa5cc3760a27c3d57146498cb82fa549547de06c /sound/firewire/bebob/bebob_pcm.c | |
| parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) | |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'sound/firewire/bebob/bebob_pcm.c')
| -rw-r--r-- | sound/firewire/bebob/bebob_pcm.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/sound/firewire/bebob/bebob_pcm.c b/sound/firewire/bebob/bebob_pcm.c index ef224d6f5..5d7b9343f 100644 --- a/sound/firewire/bebob/bebob_pcm.c +++ b/sound/firewire/bebob/bebob_pcm.c @@ -218,8 +218,11 @@ pcm_capture_hw_params(struct snd_pcm_substream *substream, if (err < 0) return err; - if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) - atomic_inc(&bebob->substreams_counter); + if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) { + mutex_lock(&bebob->mutex); + bebob->substreams_counter++; + mutex_unlock(&bebob->mutex); + } amdtp_am824_set_pcm_format(&bebob->tx_stream, params_format(hw_params)); @@ -237,8 +240,11 @@ pcm_playback_hw_params(struct snd_pcm_substream *substream, if (err < 0) return err; - if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) - atomic_inc(&bebob->substreams_counter); + if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) { + mutex_lock(&bebob->mutex); + bebob->substreams_counter++; + mutex_unlock(&bebob->mutex); + } amdtp_am824_set_pcm_format(&bebob->rx_stream, params_format(hw_params)); @@ -250,8 +256,11 @@ pcm_capture_hw_free(struct snd_pcm_substream *substream) { struct snd_bebob *bebob = substream->private_data; - if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) - atomic_dec(&bebob->substreams_counter); + if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) { + mutex_lock(&bebob->mutex); + bebob->substreams_counter--; + mutex_unlock(&bebob->mutex); + } snd_bebob_stream_stop_duplex(bebob); @@ -262,8 +271,11 @@ pcm_playback_hw_free(struct snd_pcm_substream *substream) { struct snd_bebob *bebob = substream->private_data; - if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) - atomic_dec(&bebob->substreams_counter); + if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) { + mutex_lock(&bebob->mutex); + bebob->substreams_counter--; + mutex_unlock(&bebob->mutex); + } snd_bebob_stream_stop_duplex(bebob); |