Messages in this thread | | | Date | Wed, 06 Sep 2006 14:13:58 +0200 | From | Takashi Iwai <> | Subject | Re: [BUG] no sound on ppc mac mini |
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At Tue, 05 Sep 2006 18:08:44 -0700, john stultz wrote: > > On Wed, 2006-09-06 at 10:50 +1000, Benjamin Herrenschmidt wrote: > > > However... ;) > > > > > > It seems the new device doesn't have any volume control. I know the old > > > toonie driver used some form of softvol support, but "it just worked", > > > where as now I have no control over my system's audio volume. > > > > It's a userland problem :) Your alsa config needs to enable the softvol > > plugin for it. > > Yea. I figured. :( I've played around a bit w/ the .asoundrc file to > re-enable softvol (A similar hack was needed originally after the toonie > driver went in), but so far I've been unsuccessful.
I guess adding the following to /usr/share/alsa/cards/aliases.conf (or equivalent path depending on your distro) should suffice:
AppleOnbdAudio cards.PMacToonie
> > > While not the most terrible of regressions, its a bit irritating (waking > > > to loud mail notifications, specifically :). Is this something that I > > > have to wait for an alsa userland update to fix, or is the new kernel > > > driver just not fully functional yet? > > > > Part of the problem is that you can't anymore identify the type of codec > > based on the card name thus Alsa old mecanism of having a specific > > toonie config file that includes softvol doesn't work any more. The > > trick was bad in the first place though because you can have multiple > > different codecs anyway, so it didn't scale. (The old driver couldn't > > deal with it, but the new one can, though we haven't yet implemented > > support for any of the topaz digital codecs). > > > > I remember a discussion with the Alsa folks where it was question to > > have Alsa userland automatically instanciate softvol if there is no > > volume provided by the driver, which is a better approach. > > > > Takashi, was this ever implemented ? John, what is your Alsa userland > > version ? > > 1.0.10-4ubuntu4
Could you try alsa-lib 1.0.12? Then you'll have more bonus, not only the fixes for this softvol problem ;)
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