pcm: Annotate the _delay functions based on findings from the previous bug

Signed-off-by: Mark Hills <mark@xwax.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Mark Hills 2020-06-22 14:15:11 +01:00 committed by Takashi Iwai
parent 1a169c21af
commit 243105769b

View file

@ -582,11 +582,17 @@ static inline snd_pcm_uframes_t snd_pcm_mmap_hw_offset(snd_pcm_t *pcm)
return *pcm->hw.ptr % pcm->buffer_size;
}
/*
* \retval number of frames pending from application to hardware
*/
static inline snd_pcm_uframes_t snd_pcm_mmap_playback_delay(snd_pcm_t *pcm)
{
return snd_pcm_mmap_playback_hw_avail(pcm);
}
/*
* \retval number of frames pending from hardware to application
*/
static inline snd_pcm_uframes_t snd_pcm_mmap_capture_delay(snd_pcm_t *pcm)
{
return snd_pcm_mmap_capture_avail(pcm);