ALSA: hda - Don't trust codec EPSS bit for IDT 92HD83xx & co
authorTakashi Iwai <tiwai@suse.de>
Tue, 28 Aug 2012 16:20:13 +0000 (09:20 -0700)
committerTakashi 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

index 3edd73c3d3610b2bbffd6e78382d05ad910f1ab5..6f806d3e56bbf878d27f08cdd8ce3f805c9e9f1e 100644 (file)
@@ -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;