From: Takashi Iwai <tiwai@suse.de>
To: Joseph Parmelee <jparmele@wildbear.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Sound broken in 3.2.0 and 3.2.1
Date: Mon, 23 Jan 2012 10:44:05 +0100 [thread overview]
Message-ID: <s5haa5e69ei.wl%tiwai@suse.de> (raw)
In-Reply-To: <alpine.LNX.2.00.1201131241090.1239@bruno>
At Fri, 13 Jan 2012 13:44:03 -0600 (CST),
Joseph Parmelee wrote:
>
> Hello:
>
> I have built standard kernels 3.2.0 and 3.2.1 and their respective modules.
> Both exhibit no sound with the following sound modules installed:
>
> snd_pcm_oss
> snd_mixer_oss
> snd_hda_codec_realtek
> snd_hda_intel
> snd_hda_codec
> snd_pcm
> snd_timer
> snd
> soundcore
> snd_page_alloc
>
> Kernels 3.1.8 works as expected with the same set of modules (for 3.1.8)
> installed.
>
> What appears to be happening is that the available controls are not being
> properly elucidated in 3.2.x. For example both aumix and gamix show that
> the PCM control is missing; it appears normally in 3.1.x using the same set
> of driver modules. This is causing the immediate problem as this control is
> set to zero on bootup and cannot be accessed thereafter. Sound appears to
> play normally through the alsa driver in mplayer for example, and the
> internal mplayer volume control appears to work normally, but there is no
> sound.
>
> The controls elucidated differ as follows (taken from gamix) for the same
> hardware (intel hda with realtek alc662 codec):
>
> 3.1.x:
>
> 1 - PCM
> 2 - Headphone
> 3 - Rear Mic
> 4 - Front Mic
> 5 - Line
> 6 - Auto-mute Mode
> 7 - Capture
> 8 - Capture 1
> 9 - Input Source
> 10 - Input Source 1
> 11 - IEC958
> 12 - Master
>
>
> 3.2.x:
>
> 1 - Master
> 2 - Channel Mode
> 3 - Front
> 4 - Surround
> 5 - Center
> 6 - LFE
> 7 - Headphone
> 8 - Rear Mic
> 9 - Line
> 10 - Auto-mute Mode
> 11 - Capture
> 12 - Capture 1
> 13 - Input Source
> 14 - Input Source 1
> 15 - IEC958
It seems that the driver can now support multi-channel playbacks.
Could you give alsa-info.sh outputs on both 3.1.x and 3.2.x kernels?
Then we can analyze in more details.
thanks,
Takashi
next prev parent reply other threads:[~2012-01-23 9:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-13 19:44 Sound broken in 3.2.0 and 3.2.1 Joseph Parmelee
2012-01-22 19:11 ` Maciej Rutecki
2012-01-23 9:44 ` Takashi Iwai [this message]
2012-01-23 20:27 ` Joseph Parmelee
2012-01-24 8:44 ` Takashi Iwai
2012-01-24 14:31 ` Joseph Parmelee
2012-01-24 14:37 ` Takashi Iwai
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