[alsa-devel] command 0x7e7 sent on STAC9200 / STAC9228
tiwai at suse.de
Thu Aug 16 14:11:52 CEST 2012
At Thu, 16 Aug 2012 14:03:39 +0200,
David Henningsson wrote:
> Hi Takashi,
> While working with fixing the stuff that my automated test tool has
> discovered, here's one I'm not sure what to do with.
> If you run hda-emu on any of these three:
> Hda-emu prints out:
> invalid command: NID=0x1, verb=0x7e7, parm=0x0
> In this case, I'm not sure if the command is invalid (and thus should be
> removed), or if it's a secret IDT verb that we need to set.
> From patch_sigmatel.c:
> /* Configure GPIOx as CMOS */
> snd_hda_codec_write(codec, codec->afg, 0, 0x7e7, 0);
> But in hda-spec.c this verb is only in the verb table of IDT codecs, not
> STAC codecs.
> Can you offer some enlightement?
I was just too lazy to add the old exception.
It be a valid verb. I can't find it in datasheet, too, but it was the
code snippet provided by Sigmatel at that time.
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