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From: wrobell <wrobell@pld-linux.org>
To: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] pmac: Improve sleep code of tumbler driver
Date: Wed, 4 May 2005 11:30:12 +0100	[thread overview]
Message-ID: <20050504103012.GA6851@borg> (raw)
In-Reply-To: <1113208474.8933.12.camel@gaston>

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@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
http://lists.debian.org/debian-powerpc/2004/11/msg00383.html
:-)

Anyway, now there is no distortion/noise at sleep/wakeup (linus git tree).
Thanks for your great work!

Regards,

    wrobell <wrobell@pld-linux.org>

  parent reply	other threads:[~2005-05-04 10:50 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-11  2:00 [PATCH] pmac: Improve sleep code of tumbler driver Benjamin Herrenschmidt
2005-04-11  8:18 ` Colin Leroy
2005-04-11  8:34   ` Benjamin Herrenschmidt
2005-04-11  8:45     ` Colin Leroy
2005-05-04 10:30     ` wrobell [this message]
2005-04-11 19:42   ` Vincent Lefevre
2005-04-11 22:49     ` Andreas Schwab
2005-04-11 13:56 ` Takashi Iwai
2005-04-17  9:18 ` Status report for 2.6.12-rc2 Wolfram Quester
2005-04-19 23:42   ` Benjamin Herrenschmidt

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