Date: Thu, 10 Aug 2006 10:58:17 +0200
Message-ID: <s5hlkpxx906.wl%tiwai@suse.de>
From: Takashi Iwai <tiwai@suse.de>
To: "Bartlomiej Celary" <bartlomiej.celary@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: alsa driver problem (snd_via82xx)
In-Reply-To: <97c31bd80608091159h40db8bc2l891cab8ddf7165ef@mail.gmail.com>
References: <97c31bd80608091159h40db8bc2l891cab8ddf7165ef@mail.gmail.com>
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At Wed, 9 Aug 2006 20:59:28 +0200,
Bartlomiej Celary wrote:
> 
> Hello,
> 
> I am having a problem with alsa driver. It is not a big issue, but a
> significant drawback...
> Ive used the form, so here it is.
> 
> [1.] One line summary of the problem:
> While using snd_via82xx the PCM volume is not responding to changing
> Master Volume.
> 
> [2.] Full description of the problem/report:
> The issue is quite simple, but I am suspecting the driver to be the
> cause (?). The
> sound for my chip works perfectly fine, but somehow the PCM volume
> works only for
> DSP. The Master Volume works only for the remaining sources (Line in,
> CD in). Ive tried
> everything including looking in source code, but Im afraid I failed to
> find a simple
> fix... (posting on forum, googling... etc.).

It's no bug.  The ac97 codec chip on your board has really no volume
control.

The PCM volume is an alternative volume control using DXS control in
the via823x control chip.


Takashi
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