ALSA: hda - Fix check of ALC888S-VC in alc888_coef_init()

Fixed the wrong bits check to identify ALC888S-VC model in
alc888_coef_init().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 91ef9f2..6325ea4 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -982,7 +982,7 @@
 	snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_COEF_INDEX, 0);
 	tmp = snd_hda_codec_read(codec, 0x20, 0, AC_VERB_GET_PROC_COEF, 0);
 	snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_COEF_INDEX, 7);
-	if ((tmp & 0xf0) == 2)
+	if ((tmp & 0xf0) == 0x20)
 		/* alc888S-VC */
 		snd_hda_codec_read(codec, 0x20, 0,
 				   AC_VERB_SET_PROC_COEF, 0x830);