Re: [Alsa-user] another in kernel alsa update that breaks backwardcompatibilty?

From: Gene Heskett
Date: Wed Aug 09 2006 - 12:32:20 EST

On Wednesday 09 August 2006 12:13, Takashi Iwai wrote:
>At Wed, 09 Aug 2006 12:07:26 -0400,
>Gene Heskett wrote:
>> On Wednesday 09 August 2006 11:46, Sergei Steshenko wrote:
>> >On Wed, 09 Aug 2006 11:40:02 -0400
>> >
>> >Gene Heskett <gene.heskett@xxxxxxxxxxx> wrote:
>> >> Greetings;
>> >>
>> >> The old fart is back again. :)
>> >>
>> >> I've just done a divide and conquer on kernel versions, and have
>> >> found that while I DO have a kde audio signon for kernels
>> >> 2.6.18-rc1-rc3-rc4, I do not have any other functioning audio,
>> >> including the kde sound effects I normally get. xmms and tvtime are
>> >> mute, as are the firefox plugins to play videos from the network.
>> >> and below works great yet.
>> >>
>> >> So whats the fix?
>> >
>> >Demand stable ABI.
>> It does not appear to be so. And ATM booted to 18-rc1, I didn't see an
>> error message when rc.local made a call of "[root@coyote gene]# alsactl
>> restore
>> alsactl: set_control:894: warning: name mismatch (Mic Boost (+20dB)/Mic
>> Boost (+20dB) Switch) for control #45
>> alsactl: set_control:896: warning: index mismatch (0/0) for control #45
>> alsactl: set_control:898: failed to obtain info for control #45
>> (Operation not permitted)
>> [root@coyote gene]#
>This kind of problems can be fixed by calling "alsactl restore" with
>-F option. The warnings may be still there but the values are handled
>The behavior with -F could be default, but it's kept so just for the
>compatibility reason.
Humm, and that fixed it for 2.6.18-rc4. Gawd, I'd sure like to get some of
that stuff, it must be great stuff. Goes off scratching head & letting
imagination work overtime.


Many thanks Takashi.
Cheers, Gene
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message by Gene Heskett are:
Copyright 2006 by Maurice Eugene Heskett, all rights reserved.
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