linux-kernel - Re: [alsa-devel] looping S/PDIF data

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Message-ID: <20080620010214.2185225e@mjolnir.drzeus.cx>
Date:	Fri, 20 Jun 2008 01:02:14 +0200
From:	Pierre Ossman <drzeus@...eus.cx>
To:	Jaroslav Kysela <perex@...ex.cz>
Cc:	Takashi Iwai <tiwai@...e.de>,
	Rene Herman <rene.herman@...access.nl>,
	ALSA devel <alsa-devel@...a-project.org>, mulix@...ix.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [alsa-devel] looping S/PDIF data

On Thu, 19 Jun 2008 14:39:05 +0200 (CEST)
Jaroslav Kysela <perex@...ex.cz> wrote:

> 
> I don't think that this patch is correct. DMA transfers should be disabled 
> by:
> 
> outl(what, TRID_REG(trident, T4D_STOP_B));
> outl(val, TRID_REG(trident, T4D_AINTEN_B));
> 
> lines. Adding &= ~SPDIF_EN can disable output from AC97 to S/PDIF as well.
> 

FWIW, the patch had zero effect on the system here.

Rgds
-- 
     -- Pierre Ossman

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