[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>

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 132d1e3eafa5..a31155d41405 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);
 }