Re: Microphone not working on PCI ID 8086:3b56

From: Takashi Iwai
Date: Thu Sep 30 2010 - 09:14:14 EST


At Thu, 30 Sep 2010 21:11:07 +0800 (SGT),
Jeff Chua wrote:
>
>
>
> On Tue, Sep 28, 2010 at 9:42 PM, Takashi Iwai <tiwai@xxxxxxx> wrote:
> > Enable all CONFIG_SND_HDA_*.
>
> Done that. Still no mic.
>
>
> On Tue, Sep 28, 2010 at 9:42 PM, Wu Fengguang <fengguang.wu@xxxxxxxxx>
> wrote:
> > It's easier to enable all of them. They are small modules.
>
> Tried just about everything, still no mic. Sounds works in all cases.

Check /sys/modules/snd_hda_intel/parameters/model whether you really
passed the correct value.

> I found that with SND_HDA_CODEC_INTELHDMI selected, SND_DYNAMIC_MINORS
> will be enabled by default which won't work 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 :)

> Do I really need udev to get mic to work?

No, in your case, simply disable CONFIG_SND_CODEC_INTELHDMI.


Takashi

> Thanks,
> Jeff
>
>
>
>
> --- lx/sound/pci/hda/Kconfig.org 2010-09-14 16:34:52.000000000 +0800
> +++ lx/sound/pci/hda/Kconfig 2010-09-14 16:35:09.000000000 +0800
> @@ -145,7 +145,6 @@
>
> config SND_HDA_CODEC_INTELHDMI
> bool "Build INTEL HDMI HD-audio codec support"
> - select SND_DYNAMIC_MINORS
> default y
> help
> Say Y here to include INTEL HDMI HD-audio codec support in
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/