diff options
Diffstat (limited to 'include/sound/pcm.h')
| -rw-r--r-- | include/sound/pcm.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 8c48a5bce88c..7b1a022910e8 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -346,6 +346,8 @@ static inline void snd_pcm_pack_audio_tstamp_report(__u32 *data, __u32 *accuracy struct snd_pcm_runtime { /* -- Status -- */ + snd_pcm_state_t state; /* stream state */ + snd_pcm_state_t suspended_state; /* suspended stream state */ struct snd_pcm_substream *trigger_master; struct timespec64 trigger_tstamp; /* trigger timestamp */ bool trigger_tstamp_latched; /* trigger timestamp latched in low-level driver/hardware */ @@ -678,12 +680,26 @@ void snd_pcm_stream_unlock_irqrestore(struct snd_pcm_substream *substream, */ static inline int snd_pcm_running(struct snd_pcm_substream *substream) { - return (substream->runtime->status->state == SNDRV_PCM_STATE_RUNNING || - (substream->runtime->status->state == SNDRV_PCM_STATE_DRAINING && + return (substream->runtime->state == SNDRV_PCM_STATE_RUNNING || + (substream->runtime->state == SNDRV_PCM_STATE_DRAINING && substream->stream == SNDRV_PCM_STREAM_PLAYBACK)); } /** + * __snd_pcm_set_state - Change the current PCM state + * @runtime: PCM runtime to set + * @state: the current state to set + * + * Call within the stream lock + */ +static inline void __snd_pcm_set_state(struct snd_pcm_runtime *runtime, + snd_pcm_state_t state) +{ + runtime->state = state; + runtime->status->state = state; /* copy for mmap */ +} + +/** * bytes_to_samples - Unit conversion of the size from bytes to samples * @runtime: PCM runtime instance * @size: size in bytes |