Re: [alsa-devel] Question about device recovery when under/over run error case

Hi Iwai-san

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Userspace can get to know the XRUN state by calling some APIs. Then, it can recover PCM substream by executing SNDRV_PCM_IOCTL_PREPARE ioctl.

I think we can use snd_pcm_stop_xrun() for this purpose.

Right. But beware of locking by this function. Unlike snd_pcm_stop() this function takes the stream lock by itself.

Thanks ! I see. I will investigate it.