[ALSA] hda-codec - Fix headphone output for some Intel 945 systems

This patch enables headphone output at initialization for Intel
945 based systems that don't have proper detection circuitry.
Signed-off-by: NTobin Davis <tobinx.b.davis@intel.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

sound/pci/hda/patch_sigmatel.c

@@ -1143,6 +1143,8 @@ static int stac92xx_init(struct hda_codec *codec)
 				STAC_UNSOL_ENABLE);
 		/* fake event to set up pins */
 		codec->patch_ops.unsol_event(codec, STAC_HP_EVENT << 26);
+		/* enable the headphones by default.  If/when unsol_event detection works, this will be ignored */
+		stac92xx_auto_init_hp_out(codec);
 	} else {
 		stac92xx_auto_init_multi_out(codec);
 		stac92xx_auto_init_hp_out(codec);