diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 1a563a2..7d70f8c 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -5334,6 +5334,9 @@
 	if (spec == NULL)
 		return -ENOMEM;
 
+	/* reset pin power-down; Windows may leave these bits after reboot */
+	snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7EC, 0);
+	snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7ED, 0);
 	codec->no_trigger_sense = 1;
 	codec->spec = spec;
 	spec->linear_tone_beep = 1;