From: Matthew Ranostay <mranostay@embeddedalley.com>
Date: Thu, 21 Feb 2008 06:49:31 +0000 (+0100)
Subject: [ALSA] hda: fix STAC927x power management
X-Git-Tag: v2.6.26-rc1~1087^2~199
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4451089e2aafba87d7574e27c839895131a80293;p=linux-2.6

[ALSA] hda: fix STAC927x power management

Fix issue on STAC927x codecs that first DAC was getting powered down
even if was being used.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 132d1e3eaf..a31155d414 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2893,7 +2893,8 @@ static void stac92xx_power_down(struct hda_codec *codec)
 	/* power down inactive DACs */
 	hda_nid_t *dac;
 	for (dac = spec->dac_list; *dac; dac++)
-		if (!is_in_dac_nids(spec, *dac))
+		if (!is_in_dac_nids(spec, *dac) &&
+			spec->multiout.hp_nid != *dac)
 			snd_hda_codec_write_cache(codec, *dac, 0,
 					AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
 }