[alsa-devel] Sound Blaster Audigy (snd_ca0106 Creative Labs|SB Audigy LS): How to use the mixer?

Colin Guthrie gmane at colin.guthr.ie
Mon Aug 25 19:14:05 CEST 2008

Colin Guthrie wrote:
> Takashi Iwai wrote:
>> At Mon, 25 Aug 2008 09:13:16 +0100,
>> Colin Guthrie wrote:
>>> Hi,
>>> Just trying to help a user with a problem and it seems to be down to the
>>> fact that his SB Audigy LS does not have a "Master" or "PCM" mixer control.
>>> I asked Lennart about this and he told that Takashi said he wanted to 
>>> make sure that all devices have at least a Master vol control.
>>> This one doesn't!
>>> Please let me know what you need in order to fix this.
>>> This is with 1.0.17... I can't see anything in the changelog that would 
>>> suggest this is fixed in the 1.0.18rc1.
>> Did you update *driver*?  Updating alsa-lib won't fix the problem.
> Yeah I made sure the user was on a 1.0.17 *driver* confirmed via 
> /proc/asound/version (he was originally confused about lib and driver 
> versions but I corrected him there already!)
>> The recent ca0106 driver has a virtual master control, so this should
>> have been fixed.
> Cool, thanks. Is that post 1.0.17? From you comment about updating the 
> driver, I suspect it was supposed to be in 1.0.17 (/me looks) hmm yes:
> http://www.alsa-project.org/main/index.php/Changes_v1.0.16_v1.0.17#CA0106_driver
> This is odd. I definitely requested that the user ensure the driver 
> version is 1.0.17 (he confirmed it by /proc/asound/version) and then run 
> amixer -c 0 to output the previously attached dump (which does not have 
> a Master).

I've confirmed the user is using 1.0.17.

The kernel is 2.6.27rc(something). So perhaps the driver is missing 
something for certain hardware?

His PCI Ids are:

lspci -nn | grep -i aud
00:0a.0 Multimedia audio controller [0401]: Creative Labs SB Audigy LS 



Colin Guthrie

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