[alsa-devel] Microphone not working on PCI ID 8086:3b56

[Takashi Iwai]

At Thu, 30 Sep 2010 23:29:45 +0800,
Jeff Chua wrote:
> 
> On Thu, Sep 30, 2010 at 9:14 PM, Takashi Iwai <tiwai at 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?

> >> in my case as I'm not using udev. Here's a patch to take away the default so non-udev will still
> >> works.
> >
> > Wow, what's a conservative system :)
> 
> Keeping things simple :)  and my / root filesystem is mounted read-only.

Nowadays /dev is mostly tmpfs or its variant.


Takashi