At Mon, 25 Jun 2007 10:06:18 +0100,
Alan Cox wrote:
quoted text
> 
> > 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
-
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/