Re: dmix problem on PXA270 + AC97 codec

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One other note:

aplay -D plug:dmix through a USB sound card does appear to work.
There is some hiss at the end, but I do at least hear sound.


On Sat, Oct 22, 2011 at 11:47 PM, Cliff Brake <cliff.brake@xxxxxxxxx> wrote:
> Hello,
> I have an embedded system that contains:
> - PXA270 ARM cpu
> - UCB1400 AC97 codec
> - ALSA (libasound) 1.0.24
> - 3.0 kernel
> When I run aplay <wavefile>, it works fine.
> When I run  -D plug:dmix <wavefile>, it appears to be playing (don't
> see any error messages, runs for expected amount of time), but I hear
> silence.
> With last year's software (2.6.27 kernel, alsa 1.0.23), dmix works fine.
> I tried replacing alsa 1.0.24 with 1.0.23, and it still does not work,
> so perhaps the issue is with the kernel?
> Does anyone have suggestions on how to debug this issue?  I have not
> found any other easy way to mix sound from several sources, so it
> would be really nice to get this working.
> Thanks,
> Cliff
> --
> =================


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