[alsa-devel] [PATCH] model for alc883 to support M720R

Claudio Matsuoka cmatsuoka at gmail.com
Tue Mar 4 12:55:40 CET 2008

On Tue, Mar 4, 2008 at 7:33 AM, Takashi Iwai <tiwai at suse.de> wrote:

> At Tue, 04 Mar 2008 17:16:25 +0800, Jiang zhe wrote:
>  > Please refer to [0003781] on the alsa mantis.
>  > There is no suitable model for M720R.
>  > This patch is to support HP jack-sensing and mixer.
>  Applied to HG tree (with minor modifications).  Thanks.

Interesting, I tested a Clevo M720R yesterday with a recent ALSA
snapshot and it worked correctly (HP detection and all) prior to
applying this patch. I'll recheck this, but I believe this patch might
be not entirely necessary.

>  > The reporter complained that there was a constant noise when
>  > he recorded from Mic, It existed even after he muted the input.
>  > I checked the codec info carefully, the input widget was muted
>  > indeed.
>  >
>  > It's strange, Is there anything special for this codec?
>  I don't know of such a problem.  We had a noisy *output* on AD1986A,
>  but the input isn't a problem.

I didn't test recording extensively. Miura, did you notice any
problems in mic input?

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