suse man page for snd_pcm_period_elapsed

Query: snd_pcm_period_elapsed

OS: suse

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

SND_PCM_PERIOD_ELAPS(9) 					   Sound Devices					   SND_PCM_PERIOD_ELAPS(9)

NAME
snd_pcm_period_elapsed - update the pcm status for the next period
SYNOPSIS
void snd_pcm_period_elapsed(struct snd_pcm_substream * substream);
ARGUMENTS
substream the pcm substream instance
DESCRIPTION
This function is called from the interrupt handler when the PCM has processed the period size. It will update the current pointer, wake up sleepers, etc. Even if more than one periods have elapsed since the last call, you have to call this only once.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 SND_PCM_PERIOD_ELAPS(9)
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