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pcm: fix comment for snd_pcm_avail_update()

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In some cases, value might be used for r/w ops, too.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2008-06-16 13:23:22 +02:00
parent 68641714a8
commit 5e91207586
1 changed files with 1 additions and 4 deletions
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5
src/pcm/pcm.c
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@ -2385,16 +2385,13 @@ int snd_pcm_wait_nocheck(snd_pcm_t *pcm, int timeout)
#endif #endif
/** /**
* \brief Return number of frames ready to be read/written * \brief Return number of frames ready to be read (capture) / written (playback)
* \param pcm PCM handle * \param pcm PCM handle
* \return a positive number of frames ready otherwise a negative * \return a positive number of frames ready otherwise a negative
* error code * error code
* *
* On capture does all the actions needed to transport to application * On capture does all the actions needed to transport to application
* level all the ready frames across underlying layers. * level all the ready frames across underlying layers.
*
* Using of this function is useless for the standard read/write
* operations. Use it only for mmap access. See to #snd_pcm_delay.
*/ */
snd_pcm_sframes_t snd_pcm_avail_update(snd_pcm_t *pcm) snd_pcm_sframes_t snd_pcm_avail_update(snd_pcm_t *pcm)
{ {