[alsa-devel] Issues with ATI IXP SB4x0

Takashi Iwai tiwai at suse.de
Fri Jul 30 14:20:47 CEST 2010

At Fri, 23 Jul 2010 02:24:02 +0300,
Simos Xenitellis wrote:
> An Acer laptop with the ATI IXP SB4x0 chipset fails to detect the audio card.
> Here is the alsa-info file with latest Alsa,
> http://www.alsa-project.org/db/?f=b63339af32dd301eba9f5ef6a0787ccfbeb55778
> What should be the next thing to try in order to solve this issue?
> The "Conexant ID 2c06" string in the file appears to refer to the modem (?).
> Googling with the subsystem ID '1025:009f only brings cases where the
> sound does not work.
> Any suggestions on where to look at?

I'd fiddle with probe_mask option.  See
Documentation/sound/alsa/HD-Audio.txt for some details.


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