diff options
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/pcm.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index dbce137d8806..ac8f3aef9205 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -402,7 +402,7 @@ struct snd_pcm_runtime { snd_pcm_uframes_t silence_start; /* starting pointer to silence area */ snd_pcm_uframes_t silence_filled; /* already filled part of silence area */ - unsigned char sync[16]; /* hardware synchronization ID */ + bool std_sync_id; /* hardware synchronization - standard per card ID */ /* -- mmap -- */ struct snd_pcm_mmap_status *status; @@ -1156,7 +1156,18 @@ int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int void snd_pcm_set_ops(struct snd_pcm * pcm, int direction, const struct snd_pcm_ops *ops); -void snd_pcm_set_sync(struct snd_pcm_substream *substream); +void snd_pcm_set_sync_per_card(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, + const unsigned char *id, unsigned int len); +/** + * snd_pcm_set_sync - set the PCM sync id + * @substream: the pcm substream + * + * Use the default PCM sync identifier for the specific card. + */ +static inline void snd_pcm_set_sync(struct snd_pcm_substream *substream) +{ + substream->runtime->std_sync_id = true; +} int snd_pcm_lib_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg); void snd_pcm_period_elapsed_under_stream_lock(struct snd_pcm_substream *substream); |