[pulseaudio-discuss] Volume control with hda_intel

Colin Guthrie gmane at colin.guthr.ie
Thu Mar 27 13:17:47 PDT 2008

Lennart Poettering wrote:
> On Thu, 27.03.08 13:41, Steve Greenland (steveg at moregruel.net) wrote:
>> Sound/music playing works fine, but volume control doesn't. What I
>> figured out (by watching alsamixer) is that the PA volume control is
>> manipulating the "PCM" mixer item, but the stereo analog line-out is
>> controlled by the "Front" mixer item. Some searching led me to the
>> assertion that PA tries for "Master" and then "PCM", but I couldn't find
>> anything that let me change that search in PA. Hopefully, I just failed
>> to find it? :-)
> No, this is not configurable. If the PCM slider does not work properly
> on your sound card, then please report that to ALSA upstream. ALSA
> (inofficially) gives the guarantee that "Master" always works for PCM
> and "PCM" should be used as fallback. If this doesn't work on your
> setup than this is a bug in ALSA.

Had a similar problem with some embedded VIA h/w too. I've had a similar
issue in the past myself with some embedded something or other.

I now it is an alsa bug, but if it's common, perhaps a workaround could
be added to pulse to allow a config option to override the default of
Master then PCM? (e.g. switch the order)


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