Intel 82801I hda, STAC9271D codec: problem(s)
Andriy Gapon
avg at icyb.net.ua
Wed Nov 12 09:57:13 PST 2008
And one more thing, glimpsed from linux:
http://lxr.linux.no/linux+v2.6.27.5/sound/pci/hda/patch_sigmatel.c#L690
It seems that they program Volume Knob widget to use direct control of
sub-ordinate amplifiers and set the volume to max.
I hacked our driver to do the same by adding the following:
+#if 1
+ if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_VOLUME_WIDGET) {
+ hdac_command(sc,
+ HDA_CMD_SET_VOLUME_KNOB(cad, nid, 0xff), cad);
+ }
+#endif
And it seems that I got louder volume with the same mixer settings as
before. But maybe this is a psychological effect.
--
Andriy Gapon
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