linux-kernel - Re: No sound with 2.6.29-git5 vanilla through 2.6.30-rc1-git1 on hda-intel (F10 kernel has sound)

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Date:	Wed, 15 Apr 2009 16:08:54 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Alessandro Suardi <alessandro.suardi@...il.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: No sound with 2.6.29-git5 vanilla through 2.6.30-rc1-git1 on 	hda-intel (F10 kernel has sound)

At Wed, 15 Apr 2009 15:34:56 +0200,
Alessandro Suardi wrote:
> 
> On Tue, Apr 14, 2009 at 4:30 PM, Takashi Iwai <tiwai@...e.de> wrote:
> > At Thu, 9 Apr 2009 16:32:48 +0200,
> > Alessandro Suardi wrote:
> >>
> >> My cursed Dell E6400 is turning up more issues I recall ever seeing
> >>  in my 13.5 years of Linuxing -- wireless is unsupported in vanilla,
> >>  X/VT switching moans, MTRR still complains, microcode WARNs on
> >>  boot - and the joys of 64-bit Firefox with gnash and IcedTea...
> >>
> >> And now, sound only works in Fedora 10 with the F10 kernel, that is:
> >>
> >> 2.6.27.21-170.2.56.fc10.x86_64
> >>
> >>  but not with any vanilla kernel I built. So it might be me, of course; but
> >>  the ALSA modules seem the same in the two kernels - where applicable
> >>  (recent kernels have a hda-intel-codec module that doesn't seem to be
> >>  loaded in the F10 kernel).
> >
> > snd-hda-codec-* modules are loaded automatically from snd-hda-intel.
> > Do you have snd-hda-codec-idt module?
> > It's enabled via CONFIG_SND_HDA_CODEC_SIGMATEL=y.
> >
> >
> > Takashi
> 
> Thanks Takashi -
> 
>   no, I haven't that one; am I supposed to set to Y all codecs under the
>   SND_HDA_INTEL tab ? And if not, how do I guess which one[s] ?

Unless you are sure that you have no matching codecs, it's better to
say all Y, especially if you are using modules.


Takashi
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