From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wu Fengguang <fengguang.wu@intel.com>
Subject: Re: Microphone not working on PCI ID 8086:3b56
Date: Tue, 28 Sep 2010 21:42:36 +0800
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To: Jeff Chua <jeff.chua.linux@gmail.com>
Cc: Takashi Iwai <tiwai@suse.de>, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, Linux Kernel <linux-kernel@vger.kernel.org>
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On Tue, Sep 28, 2010 at 09:33:11PM +0800, Jeff Chua wrote:
> On Tue, Sep 28, 2010 at 2:18 AM, Takashi Iwai <tiwai@suse.de> wrote:
> > At Tue, 28 Sep 2010 01:56:44 +0800,
> > Jeff Chua wrote:
> >>
> >> On Mon, Sep 27, 2010 at 10:42 PM, Takashi Iwai <tiwai@suse.de> wrote:
> >> > At Wed, 15 Sep 2010 06:32:22 +0800 (SGT),
> >> > Did you try to play with model option for snd-hda-intel driver?
> >> > For example, model=lenovo-x200 ?
> >>
> >> Didn't know there's such option. But I'll try it now. Is there an
> >> option to if the driver is not compiled as a module?
> >
> > Yes, you can pass via a boot option like MODULENAME.OPTIONNAME=xxx,yyy,...
> > In this case, snd-hda-intel.model=lenovo-x200
> 
> Tried, still no mic. Perhaps I'm not using the right driver. Which one
> should I enable?
> 
> CONFIG_SND_HDA_CODEC_CONEXANT

The "lenovo-x200" model is provided by the above codec.

> CONFIG_SND_HDA_CODEC_INTELHDMI
> CONFIG_SND_HDA_CODEC_REALTEK

It's easier to enable all of them. They are small modules.

Thanks,
Fengguang