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: Thu, 30 Sep 2010 23:45:57 +0800
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To: Takashi Iwai <tiwai@suse.de>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, Linux Kernel <linux-kernel@vger.kernel.org>, Jeff Chua <jeff.chua.linux@gmail.com>
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On Thu, Sep 30, 2010 at 11:39:40PM +0800, Takashi Iwai wrote:
> At Thu, 30 Sep 2010 23:29:45 +0800,
> Jeff Chua wrote:
> > 
> > On Thu, Sep 30, 2010 at 9:14 PM, Takashi Iwai <tiwai@suse.de> wrote:
> > 
> > > Check /sys/modules/snd_hda_intel/parameters/model whether you really
> > > passed the correct value.
> > 
> > # cat /sys/module/snd_hda_intel/parameters/model
> > lenovo-x200,(null),(null),(null),(null),(null),(null),(null)
> 
> OK, and did you get the corresponding kernel message?

As a kindly reminder, these verbose options are pretty useful:

CONFIG_SND_VERBOSE_PROCFS=y
CONFIG_SND_VERBOSE_PRINTK=y
CONFIG_SND_DEBUG=y
CONFIG_SND_DEBUG_VERBOSE=y

Thanks,
Fengguang