Re: Is it time for remove (crap) ALSA from kernel tree ?

Takashi Iwai
2007-06-25T10:41:48Z

At Mon, 25 Jun 2007 10:06:18 +0100,
Alan Cox wrote:
>
> > If it is native ALSA driver then it will restart after each underrun
> > and overrun. It is the applications job to do this, alsa-lib provides
> > all support for this. I have no idea of OSS and OSS emulation in ALSA.
>
> OSS should autorestart on underrun and just moan about overruns and drop
> bits. So if it's not following that behaviour he is IMHO correct for the
> OSS emulation case.

I think he is right in the case of read (although I don't remember his
post as my buffer overran). The playback is automaically reset and
restarted at underrun.

But, the patch there is wrong. It should handle -EPIPE, which means
XRUN, while -ESTRPIPE means the suspend state.

Takashi