Re: 2.6.7-rc1 breaks ATI IXP sound...

[Takashi Iwai <tiwai@suse.de>]

Hi,

At Thu, 27 May 2004 22:43:06 -0400,
Trond Myklebust wrote:
> 
> It appears to boil down to changeset
> perex@suse.cz|ChangeSet|20040517133203|52763.
> 
> More specifically to the line which adds the AC97_SCAP_SKIP_MODEM flag
> to the mixer probe. That flag causes the mixer probe to exit with an
> EACCES, when it hits the modem:
> 
>         ATI IXP Debug mixer probe 6, i = 0 codec_not_ready_bits =
>         0x3000, err = 0
>         ATI IXP Debug mixer probe 5, i = 1 codec_not_ready_bits =
>         0x3000, err = -13
>         ATI IXP AC97 controller: probe of 0000:00:14.5 failed with error
>         -13
> 
> If I remove that line, the ATI IXP is detected correctly, and everything
> appears to work properly.

No it's a wrong fix, since this will conflict with the ATIIXP modem
driver (it's experimental and not included in the patchset though).

This problem was already fixed on the ALSA tree.  The error is just
ignored to continue probing.

Jaroslav, could you sync the sound bk tree?


--
Takashi Iwai <tiwai@suse.de>		ALSA Developer - www.alsa-project.org

> 
> Cheers,
>   Trond
> [2 Vidaresendt melding - 2.6.7-rc1 breaks ATI IXP sound... <message/rfc822 (7bit)>]
> To: alsa-devel@alsa-project.org
> Cc: Andrew Morton <akpm@osdl.org>
> Subject: 2.6.7-rc1 breaks ATI IXP sound...
> From: Trond Myklebust <trond.myklebust@fys.uio.no>
> Message-Id: <1085603540.4410.1.camel@lade.trondhjem.org>
> Mime-Version: 1.0
> Date: Wed, 26 May 2004 16:32:20 -0400
> Content-Transfer-Encoding: 7bit
> 
> From: "dmesg -s"
> 
> ATI IXP AC97 controller: probe of 0000:00:14.5 failed with error -13
> 
> The same device works fine when reverting to 2.6.6..
> 
> Cheers,
>   Trond
> [3 gnarg.dif <text/plain; ISO-8859-1 (base64)>]
> --- linux-2.6.7-rc1/sound/pci/atiixp.c.orig	2004-05-27 13:53:31.000000000 -0400
> +++ linux-2.6.7-rc1/sound/pci/atiixp.c	2004-05-27 22:33:23.000000000 -0400
> @@ -1385,7 +1385,6 @@ static int __devinit snd_atiixp_mixer_ne
>  		ac97.private_data = chip;
>  		ac97.pci = chip->pci;
>  		ac97.num = i;
> -		ac97.scaps = AC97_SCAP_SKIP_MODEM;
>  		if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
>  			if (chip->codec_not_ready_bits)
>  				/* codec(s) was detected but not available.


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