If ac97_chip=1 and ac97 doesn't exists - driver will refuse to load.
If ac97_chip=2 and ac97 doesn't exists - driver should ignore ac97
But I don't know if this is correct (I am not author of patch and I not tested it).
if message is printed then there is
goto no_ac97; /* FIXME: get rid of ugly gotos.. */
this will skip ac97 mixer creation (if ac97 is not there this will fail and driver refuses to load)
But I don't know if snd_ac97_bus will fail if there is no ac97 codec (I think - not, and this is not correct), then test should be done on snd_ac97_mixer and not on snd_ac97_bus creation.
Peter Zubaj
>-----P?vodn? spr?va-----
>Od: Dave Jones [mailto:[email protected]]
>Odoslan?: 4. okt?bra 2005 0:54
>Komu: Peter Zubaj
>K?pia: [email protected]; [email protected]; Linux Kernel Mailing List; [email protected]
>Predmet: Re: [Alsa-devel] Re: [ALSA] snd-emu10k1: ALSA bug#1297: Fix a error recognising the SB Live Platinum.
>
>
>On Mon, Oct 03, 2005 at 08:23:28AM +0200, Peter Zubaj wrote:
>> AFAIK this was fixed in CVS. Two cards have same model id (one has AC97, one not).
>>
>> Fix:
>>
>> http://sourceforge.net/mailarchive/forum.php?thread_id=8360485&forum_id=33141
>>
>
>From the look of that patch, this will just print
>"emu10k1: AC97 is optional on this board Proceeding without ac97 mixers..."
>and do nothing about actually making things work for people again,
>or even to suggest what they can do to work around this situation
>when their volume control breaks. At the least this sounds like it
>needs to mention a module parameter to force ac97 support.
>
>What actually happens if we set ac97_chip=1 on the boards that
>don't have it ? Is it purely a cosmetic thing, showing some
>sliders that do nothing?
>
>Dave
>
>
>
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