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snd_pcm_period_elapsed
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
snd_pcm_period_elapsed - update the pcm status for the next periodSYNOPSIS
- 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.
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