linux-kernel - Re: Microphone not working on PCI ID 8086:3b56

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Date:	Thu, 30 Sep 2010 17:41:39 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Jeff Chua <jeff.chua.linux@...il.com>
Cc:	Wu Fengguang <fengguang.wu@...el.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	Jaroslav Kysela <perex@...ex.cz>
Subject: Re: Microphone not working on PCI ID 8086:3b56

At Thu, 30 Sep 2010 23:34:44 +0800,
Jeff Chua wrote:
> 
> On Thu, Sep 30, 2010 at 9:29 PM, Wu Fengguang <fengguang.wu@...el.com> wrote:
> 
> > Intel HDMI audio selects SND_DYNAMIC_MINORS because it runs out of the
> > static minor numbers. I initially proposed an extended static
> > allocation scheme here:
> > http://comments.gmane.org/gmane.linux.alsa.devel/72916 however the
> > idea was rejected.
> >
> >> Do I really need udev to get mic to work?
> >
> > You can disable SND_HDA_CODEC_INTELHDMI for now. You don't need it.
> 
> Does not make sense to force everyone to use udev.

Otherwise you can't handle enough PCM devices.

> Any chance to make it work without udev?

The minor numbers are almost static as long as you don't change the
configuration.  So, you can recreate /dev/snd/* files appropriately,
if needed.  Or just simply patch as you did :)


Takashi
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