From: Takashi Iwai <tiwai@suse.de>
To: Liam Girdwood <Liam.Girdwood@wolfsonmicro.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Jeff Garzik <jgarzik@pobox.com>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] AC97 support for low power codecs
Date: Tue, 04 Jan 2005 16:08:05 +0100 [thread overview]
Message-ID: <s5hekh1grl6.wl@alsa2.suse.de> (raw)
In-Reply-To: <1104838450.9143.81.camel@cearnarfon>
At Tue, 04 Jan 2005 11:34:10 +0000,
Liam Girdwood wrote:
>
> I've attached a patch against 2.6.10 that checks the codec ID before
> doing an AC97 register reset. This allows the kernel to support low
> power codecs that are powered down by a reset command. This patch also
> fixes some other minor issues.
Does writing RESET on such a codec must be avoided always?
Or can one power up again by writing some values on POWER register?
Takashi
next prev parent reply other threads:[~2005-01-04 15:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-04 11:34 [PATCH] AC97 support for low power codecs Liam Girdwood
2005-01-04 15:08 ` Takashi Iwai [this message]
2005-01-04 15:27 ` Liam Girdwood
2005-01-04 15:47 ` Takashi Iwai
2005-01-04 16:24 ` Liam Girdwood
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