snd_pcm_capture_empty(9)

1SND_PCM_CAPTURE_EMPT(9)          Sound Devices         SND_PCM_CAPTURE_EMPT(9)
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NAME

6       snd_pcm_capture_empty - check whether the capture buffer is empty
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9       int snd_pcm_capture_empty(struct snd_pcm_substream * substream);
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12       substream
13           the pcm substream instance
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16       Checks whether the capture buffer is empty.
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18       Returns non-zero if empty, or zero if not.
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21Kernel Hackers Manual 2.6.       November 2011         SND_PCM_CAPTURE_EMPT(9)