[ALSA - driver 0001510]: ac97 with SiS SI7012 [ALC203 rev 0] doesn't allow to control volume by master channel, PCM and headphones work

[bugtrack@alsa-project.org]

A NOTE has been added to this issue.
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<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1510> 
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Reported By:                wiktorw
Assigned To:                
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Project:                    ALSA - driver
Issue ID:                   1510
Category:                   PCI - intel8x0
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
Distribution:               Gentoo 2005.1
Kernel Version:             2.6.13-gentoo-r4
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Date Submitted:             10-28-2005 17:54 CEST
Last Modified:              11-20-2005 11:41 CET
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Summary:                    ac97 with SiS SI7012 [ALC203 rev 0] doesn't allow to
control volume by master channel, PCM and headphones work
Description: 
On my Acer Aspire 5002LM laptop I have the following problem:
- Master channel does not control volume level (no matter if I slide it or
mute)
- PCM channel works
- Headphone/PCM-2 channel works

The Master/PCM/Headphone channels are for the "SiS SI7012 (Alsa Mixer)"
device, while Volume/PCM/PCM-2 channels are for the "Realtek ALC203 rev 0
(OSS Mixer)" device. They do the same thing: Master/Volume control in
gnome-volume-control applet doesn't change the volume level.

At first I thought that this problem is software-related, but in fact it
isn't. Now I have tested several things and all give me the same result. I
also suspect that not only I have such problems, althought the original
posters might not be aware of it. See here for the original discussion:

http://forums.gentoo.org/viewtopic-t-387739.html

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----------------------------------------------------------------------
 wiktorw - 11-09-05 15:27 
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My last post was the output of the commands I issued on the Gentoo Linux
machine with:

# uname -a
Linux widmo 2.6.14-gentoo #1 PREEMPT Mon Oct 31 08:14:56 CET 2005
i686 AMD Turion(tm) 64 Mobile Technology ML-30 AuthenticAMD GNU/Linux

media-libs/alsa-lib-1.0.9
media-sound/alsa-headers-1.0.9b
media-sound/alsa-tools-1.0.8-r1
media-sound/alsa-utils-1.0.9a

and the in-kernel alsa drivers.

----------------------------------------------------------------------
 garfungiloops - 11-20-05 11:41 
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Since I have cmedia codec, softvol has fixed the problem for me.

Issue History
Date Modified  Username       Field                    Change              
======================================================================
10-28-05 17:54 wiktorw        New Issue                                    
10-28-05 17:54 wiktorw        Distribution              => Gentoo 2005.1   
10-28-05 17:54 wiktorw        Kernel Version            => 2.6.13-gentoo-r4
10-30-05 09:35 garfungiloops  Note Added: 0006573                          
10-30-05 09:36 garfungiloops  Issue Monitored: garfungiloops                    
11-08-05 08:44 mrblur         Note Added: 0006619                          
11-08-05 17:45 tiwai          Note Added: 0006626                          
11-08-05 19:37 garfungiloops  Note Added: 0006640                          
11-08-05 19:41 garfungiloops  Note Added: 0006641                          
11-09-05 15:23 wiktorw        Note Added: 0006654                          
11-09-05 15:27 wiktorw        Note Added: 0006655                          
11-12-05 11:33 froztbyte      Issue Monitored: froztbyte                    
11-17-05 13:25 mrblur         Issue Monitored: mrblur                      
11-20-05 11:41 garfungiloops  Note Added: 0006765                          
======================================================================




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