[alsa-devel] [alsa-cvslog] alsa-kernel: Official ALSA project GIT repository for Linux 2.6 branch, master now at v2.6.31-rc8-407-gfc9e4a3

[Takashi Iwai]

At Tue, 6 Oct 2009 09:42:40 +0200 (CEST),
Jaroslav Kysela wrote:
> 
> On Tue, 6 Oct 2009, Takashi Iwai wrote:
> 
> > At Tue,  6 Oct 2009 08:36:04 +0200 (CEST),
> > noreply-git at alsa-project.org wrote:
> >> commit fc9e4a3811567f8d1d4c263a89e27b52c90d6098
> >> Author:     Clemens Ladisch <clemens at ladisch.de>
> >> AuthorDate: Tue Oct 6 08:21:04 2009 +0200
> >> Commit:     Clemens Ladisch <clemens at ladisch.de>
> >> CommitDate: Tue Oct 6 08:21:04 2009 +0200
> >>
> >>     sound: via82xx: move DXS volume controls to PCM interface
> >>
> >>     The "VIA DXS" controls are actually volume controls that apply to the
> >>     four PCM substreams, so we better indicate this connection by moving the
> >>     controls to the PCM interface.
> >>
> >>     Commit b452e08e73c0e3dbb0be82130217be4b7084299e in 2.6.30 broke the
> >>     restoring of these volumes by "amixer restore" that most distributions
> 
> amixer restore == alsactl restore ?

Yep.

> >>     use; the renaming in this patch cures that regression by preventing
> >>     amixer from applying the old, wrong volume levels to the new controls.
> >>     http://bugzilla.kernel.org/show_bug.cgi?id=14151
> >>     http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532613
> >>
> >>     Signed-off-by: Clemens Ladisch <clemens at ladisch.de>
> >>     Cc: <stable at kernel.org>
> >
> > Well, this control was once removed, and then revived due to complains
> > by users who have used it in mixer.  Moving this to PCM iface does
> > almost the same thing, disabling an easy way to access it.
> 
> amixer utility should handle such controls without problems.

Yes, but amixer is no GUI used in "normal" desktop systems as an
applet :)

> We have 
> similar volume controls in emu10k1 driver, but having 32 PCM volume 
> controls in mixer is not much fun.

In that case, this was more demand than keeping the behavior.
That is, much more people became happier by that.  And, the driver
wasn't that old.

What I'm claiming is to be conservative to change anything for old
stuff.  If we need to change the behavior of the old stuff, we should
think twice.


thanks,

Takashi