> >
> > It's not only the mismatch but also the design limitation. According
> > to the information from google, the board (samus) only uses two
> > microphone so
> > 3 or 4 channel recording are not supported. That's the reason we
> > leverage the constraint from other machine driver (like
> > kbl
On 9/12/19 1:00 AM, Lu, Brent wrote:
The story is Chrome has a tool called alsa_conformance_test which runs
capture or playback against a PCM port with all possible
configurations (channel, format, rate) then measure if the sample rate
is correct. Since the channel max number reported is 4, it t
> >
> > The story is Chrome has a tool called alsa_conformance_test which runs
> > capture or playback against a PCM port with all possible
> > configurations (channel, format, rate) then measure if the sample rate
> > is correct. Since the channel max number reported is 4, it tests the
> > 4-chann
I also don't see any case where we support 4 channels in any broadwell
machine driver?
It's the bdw-rt5650.c which only exists in chrome's 3.14 branch supporting Buddy
project. They submitted the machine driver but not yet merged.
https://patchwork.kernel.org/patch/11050985/
So again can y
kernel.org;
> yang@linux.intel.com; ti...@suse.com; liam.r.girdw...@linux.intel.com;
> broo...@kernel.org; t...@linutronix.de
> Subject: Re: [alsa-devel] [PATCH] ASoC: bdw-rt5677: channel constraint
> support
>
> Please don't top-post on public mailing lists.
>
> > W
lsa-project.org
Cc: Rojewski, Cezary ;
liam.r.girdw...@linux.intel.com; yang@linux.intel.com; broo...@kernel.org;
pe...@perex.cz; ti...@suse.com; kuninori.morimoto...@renesas.com; t...@linutronix.de;
linux-kernel@vger.kernel.org
Subject: Re: [alsa-devel] [PATCH] ASoC: bdw-rt5677: channel c
.org;
pe...@perex.cz; ti...@suse.com; kuninori.morimoto...@renesas.com;
t...@linutronix.de; linux-kernel@vger.kernel.org
Subject: Re: [alsa-devel] [PATCH] ASoC: bdw-rt5677: channel constraint support
On 9/5/19 8:24 PM, Brent Lu wrote:
> BDW boards using this machine driver supports only st
On 9/5/19 8:24 PM, Brent Lu wrote:
BDW boards using this machine driver supports only stereo capture and
playback. Implement a constraint to enforce it.
Humm, can you clarify what problem/error this patch fixes?
There are already constraints on the hsw_dais[] where the channels are
stereo onl
BDW boards using this machine driver supports only stereo capture and
playback. Implement a constraint to enforce it.
Signed-off-by: Brent Lu
---
sound/soc/intel/boards/bdw-rt5677.c | 33 +
1 file changed, 33 insertions(+)
diff --git a/sound/soc/intel/boards/bdw-
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