diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 43b7cfb7cffd..da1ac9068aac 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2358,6 +2358,7 @@ static void __devinit check_probe_mask(struct azx *chip, int dev)
 static struct snd_pci_quirk msi_black_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
 	SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
+	SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
 	SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
 	{}
 };
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 5d2fbb87b871..3a8371990d75 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -411,6 +411,8 @@ static int alc_mux_enum_info(struct snd_kcontrol *kcontrol,
 	unsigned int mux_idx = snd_ctl_get_ioffidx(kcontrol, &uinfo->id);
 	if (mux_idx >= spec->num_mux_defs)
 		mux_idx = 0;
+	if (!spec->input_mux[mux_idx].num_items && mux_idx > 0)
+		mux_idx = 0;
 	return snd_hda_input_mux_info(&spec->input_mux[mux_idx], uinfo);
 }
 
@@ -439,6 +441,8 @@ static int alc_mux_enum_put(struct snd_kcontrol *kcontrol,
 
 	mux_idx = adc_idx >= spec->num_mux_defs ? 0 : adc_idx;
 	imux = &spec->input_mux[mux_idx];
+	if (!imux->num_items && mux_idx > 0)
+		imux = &spec->input_mux[0];
 
 	type = get_wcaps_type(get_wcaps(codec, nid));
 	if (type == AC_WID_AUD_MIX) {
@@ -10105,6 +10109,8 @@ static void alc882_auto_init_input_src(struct hda_codec *codec)
 			continue;
 		mux_idx = c >= spec->num_mux_defs ? 0 : c;
 		imux = &spec->input_mux[mux_idx];
+		if (!imux->num_items && mux_idx > 0)
+			imux = &spec->input_mux[0];
 		for (idx = 0; idx < conns; idx++) {
 			/* if the current connection is the selected one,
 			 * unmute it as default - otherwise mute it
@@ -13201,7 +13207,7 @@ static int patch_alc268(struct hda_codec *codec)
 
 	if (board_config < 0 || board_config >= ALC268_MODEL_LAST)
 		board_config = snd_hda_check_board_codec_sid_config(codec,
-			ALC882_MODEL_LAST, alc268_models, alc268_ssid_cfg_tbl);
+			ALC268_MODEL_LAST, alc268_models, alc268_ssid_cfg_tbl);
 
 	if (board_config < 0 || board_config >= ALC268_MODEL_LAST) {
 		printk(KERN_INFO "hda_codec: %s: BIOS auto-probing.\n",