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ALSA: hda - Don't trust codec EPSS bit for IDT 92HD83xx & co
author
Takashi Iwai
<tiwai@suse.de>
Tue, 28 Aug 2012 16:20:13 +0000
(09:20 -0700)
committer
Takashi Iwai
<tiwai@suse.de>
Tue, 28 Aug 2012 16:26:16 +0000
(09:26 -0700)
These codecs seem reporting EPSS but require longer delay for the
proper D3 transition. For example, D3_STOP_CLOCK_OK bit won't be set
correctly even after D3.
In this patch, codec->epss flag is overridden for avoid the
misbehavior.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/patch_sigmatel.c
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diff --git
a/sound/pci/hda/patch_sigmatel.c
b/sound/pci/hda/patch_sigmatel.c
index
3edd73c
..
6f806d3
100644
(file)
--- a/
sound/pci/hda/patch_sigmatel.c
+++ b/
sound/pci/hda/patch_sigmatel.c
@@
-5534,6
+5534,7
@@
static int patch_stac92hd83xxx(struct hda_codec *codec)
snd_hda_codec_set_pincfg(codec, 0xf, 0x2181205e);
}
+ codec->epss = 0; /* longer delay needed for D3 */
codec->no_trigger_sense = 1;
codec->spec = spec;