[PATCH] pmac: Improve sleep code of tumbler driver
Benjamin Herrenschmidt
benh at kernel.crashing.org
Mon Apr 11 18:34:34 EST 2005
On Mon, 2005-04-11 at 10:18 +0200, Colin Leroy wrote:
> On Mon, 11 Apr 2005 12:00:54 +1000
> Benjamin Herrenschmidt <benh at kernel.crashing.org> wrote:
>
> > This patch (applies on top of my previous one adding support for newer
> > machines) improves the behaviour of the "tumbler/snapper" driver used
> > on newer PowerMacs during sleep. It properly set the HW mutes to shut
> > down amplifiers and does an analog shutdown of the codec. That might
> > improve power consumption during sleep on a number of machines.
>
> I suppose it also fixes the occasionnal loud static noise that
> sometimes at wakeup, for example on iBook G4s. Good :)
I don't know, tell me. I didn't know about this problem.
> Btw, do you know where patches land in this time of SCM change, when
> it's not in -mm ?
-mm :) Linus didn't restart merging things yet.
Ben.
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