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Old 02-29-2012, 04:18 PM
Jonathan Nieder
Default Mute with Pulseaudio ignored on a Thinkpad T500

clone 660994 -1
retitle -1 pulseaudio: mute ignored when Master Playback Switch is not present
reassign 660994 src:linux-2.6 3.2.4-1
tags 660994 + patch upstream
forwarded 660994 https://bugzilla.kernel.org/show_bug.cgi?id=42825
# regression
severity 660994 important

Jonathan Nieder wrote:
> Takashi Iwai explained[2]:

>> This codec chip has really no mute control, thus it's actually a fix that
>> removes the invalid control.

Takashi wrote and S.G. tested a fix to add back the fake control,
which should be part of stable kernels soon. (3868137, "ALSA: hda -
Add a fake mute feature", 2012-02-27)

> If I understand correctly, the problem is that pulseaudio's mute
> doesn't mute when the Master Playback Switch is not present. Please
> feel free to reassign back to the kernel if there turns out to be a
> fix that can be applied in the kernel to help, though.

Cloning the bug since it still seems that pulseaudio could cope better
with missing mute controls.

Many thanks for your help. Nice to see this sound regression will be
solved soon.


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