[PATCH] pmac: Improve sleep code of tumbler driver
wrobell at pld-linux.org
Wed May 4 20:30:12 EST 2005
On Mon, Apr 11, 2005 at 06:34:34PM +1000, Benjamin Herrenschmidt wrote:
> 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.
Point 3 in
Anyway, now there is no distortion/noise at sleep/wakeup (linus git tree).
Thanks for your great work!
wrobell <wrobell at pld-linux.org>
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