[alsa-devel] Problem bringing up new alsa driver
Jon Smirl
jonsmirl at gmail.com
Sun Apr 26 21:13:34 CEST 2009
On Sun, Apr 26, 2009 at 2:31 PM, Jaroslav Kysela <perex at perex.cz> wrote:
> On Sun, 26 Apr 2009, Jon Smirl wrote:
>
>> If I take this out I get these errors...
>> ALSA sound/core/pcm_lib.c:264: PCM: hw_ptr skipping! [Q] (pos=11026,
>> delta=5513, period=5513, jdelta=33/37/0)
>
> It means that the period DMA operation is too quick in your case and does
> not correspond to the timing specified by rate. It might be that the FIFO on
> path is large or rate set to the codec is not correct. What's HZ value on
> your system and FIFO size? There is HZ/100 margin in the check now.
FIFO is 512 bytes, HZ is 300.
>
> Jaroslav
>
> -----
> Jaroslav Kysela <perex at perex.cz>
> Linux Kernel Sound Maintainer
> ALSA Project, Red Hat, Inc.
>
>
--
Jon Smirl
jonsmirl at gmail.com
More information about the Alsa-devel
mailing list