[pulseaudio-discuss] Dealing with the ThinkPad hardware mixer

Colin Guthrie gmane at colin.guthr.ie
Mon May 23 10:50:30 PDT 2011

'Twas brillig, and Andrew Lutomirski at 23/05/11 18:21 did gyre and gimble:
> What is the kernel supposed to do to get PulseAudio to DTRT?  On some,
> but not (I think) all, models, we can disable hardware mixer control
> and make all of the buttons act like ordinary buttons, but that will
> cause the light (if present) to malfunction, and I don't know if all
> models can do this.  So as it stands, PulseAudio would have to
> understand that the mixer is special and watch for ALSA change
> notifications.
> I'm willing to change the thinkpad-acpi driver to make it work better,
> but I know nothing at all about PulseAudio internals.  What should I
> do?

Can you give some more details?

e.g. does it show up under the same alsa card as the HDA or is it separate?

amixer -c0 (or appropriate number) would be useful to begin with :)




Colin Guthrie

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