linux-kernel - Re: [BUG] no sound on ppc mac mini

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Date:	Tue, 05 Sep 2006 17:33:22 -0700
From:	john stultz <johnstul@...ibm.com>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [BUG] no sound on ppc mac mini

On Tue, 2006-08-01 at 11:19 +0200, Johannes Berg wrote:
> john stultz wrote:
> >> Is this really a current git or an -rc1 snapshot ? The crashes on boot
> >> should have been fixed ... unless there is another problem on the mac
> >> mini. Can you try having them as modules instead ?
> >
> > I know you mentioned there was a fix for this somewhere, but as
> > motivation to get it flowing to mainline, here's what I get w/ the
> > current -rc3-git and the sound bits compiled as modules:
> 
> The fixes are sitting in the alsa mercurial repository waiting to go
> upstream...
> 
> Not My Fault (TM) ;)

Just wanted to report that it seems w/ 2.6.18-rc6 the fix has made it
in, and my system now reports that there is a SoundByLayout alsa device.

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.

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?

thanks
-john

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