From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Colin Leroy <colin@colino.net>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs.org>,
"debian-powerpc@lists.debian.org"
<debian-powerpc@lists.debian.org>
Subject: Re: [PATCH] pmac: Improve sleep code of tumbler driver
Date: Mon, 11 Apr 2005 18:34:34 +1000 [thread overview]
Message-ID: <1113208474.8933.12.camel@gaston> (raw)
In-Reply-To: <20050411101853.7f0e9385@colin.toulouse>
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.
> 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.
next prev parent reply other threads:[~2005-04-11 8:34 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 [this message]
2005-04-11 8:45 ` Colin Leroy
2005-05-04 10:30 ` wrobell
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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