[alsa-devel] [PATCH] hda-emu: Add support for channel mapping API
tiwai at suse.de
Mon Sep 17 12:25:33 CEST 2012
At Mon, 17 Sep 2012 12:23:30 +0200,
David Henningsson wrote:
> On 09/17/2012 12:18 PM, Takashi Iwai wrote:
> > At Mon, 17 Sep 2012 11:56:37 +0200,
> > David Henningsson wrote:
> >> Hi Takashi,
> >> I tried to make hda-emu compile with the latest changes to the HDA driver.
> >> This is the result. It compiles, but when running any codec, I get the error
> >> "Control element Playback Channel Map:0 already exists!".
> >> I'm unsure whether this is a problem in the driver or in my simple copy-paste
> >> attempt to make this work.
> >> Can you offer some insight?
> > It's an issue in hda-emu. For simplicity, hda-emu didn't touch the
> > ALSA PCM instance at all, so pcm->number is always zero.
> > An additional patch below should fix the problem.
> Thanks, attaching modified patch.
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