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ALSA: hda - Don't trust codec EPSS bit for IDT 92HD83xx & co 

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>
This commit is contained in:
Takashi Iwai 2012-08-28 09:20:13 -07:00
parent 983f6b9381
commit c36b5b054a
1 changed files with 1 additions and 0 deletions
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1
sound/pci/hda/patch_sigmatel.c
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@ -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;