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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>
Takashi Iwai 13 年之前
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共有 1 个文件被更改,包括 1 次插入0 次删除
  1. 1 0
      sound/pci/hda/patch_sigmatel.c

+ 1 - 0
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;