Messages in this thread | | | Date | Wed, 9 Jan 2013 16:58:07 -0700 | From | Kevin Fenzi <> | Subject | Re: ALSA: Conexant CX20585 (thinkpad t510) speaker powersave regression |
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On Tue, 08 Jan 2013 16:26:38 +0100 Takashi Iwai <tiwai@suse.de> wrote:
> It's a known problem that some people have already reported, but > currently no clue who actually turns down the pin to D3. > Conexant guys wrote me that the codec doesn't do it by itself, and the > driver neither, AFAIK. A possible answer is the firmware / BIOS, but > who knows.
Thanks for the answer! :)
> In anyway, could you try to trace the hd-audio events and see whether > the power down is *not* issued by the driver when you see this state? > See Documentation/sound/alsa/HD-Audio.txt, the section "Tracepoints" > for a brief instruction.
I can give it a try...
kevin [unhandled content-type:application/pgp-signature] | |