At 23 Mar 2003 18:31:04 +0000,
Giuliano Pochini wrote:
>
> What are PUSH, RELEASE, SUSPEND, RESUME trigger commands supposed to do
> ?
* pcm stream pausing
imagine the pause-button is pushed and released.
these commands are issued only when SNDRV_PCM_INFO_PAUSE is set to
info field of snd_pcm_hardware_t.
- PAUSE_PUSH
pause the stream
- PAUSE_RELEASE
restart the paused stream
* power-management
called when the power-management status is changed.
these commands are issued only when SNDRV_PCM_INFO_RESUME is set to
info field of snd_pcm_hardware_t (and of course pm is supported).
- SUSPEND
suspend the streams; usually identical with STOP command
- RESUME
resume the streams; usually identical with START command
Takashi
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