ALSA: hda - add quirk to detect CD input on Gigabyte EP45-DS3

My CD input got lost in commit 68ef0561efe494143516df38c03a16b837b8e79c.
Raymond helped me to add the necessary pin fixup to make it appear again. In
fact, this is basically his patch. It fixes alsa bug #5541.

Signed-off-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -4367,6 +4367,7 @@ enum {
 	ALC882_FIXUP_PB_M5210,
 	ALC882_FIXUP_ACER_ASPIRE_7736,
 	ALC882_FIXUP_ASUS_W90V,
+	ALC889_FIXUP_CD,
 	ALC889_FIXUP_VAIO_TT,
 	ALC888_FIXUP_EEE1601,
 	ALC882_FIXUP_EAPD,
@@ -4494,6 +4495,13 @@ static const struct alc_fixup alc882_fixups[] = {
 			{ }
 		}
 	},
+	[ALC889_FIXUP_CD] = {
+		.type = ALC_FIXUP_PINS,
+		.v.pins = (const struct alc_pincfg[]) {
+			{ 0x1c, 0x993301f0 }, /* CD */
+			{ }
+		}
+	},
 	[ALC889_FIXUP_VAIO_TT] = {
 		.type = ALC_FIXUP_PINS,
 		.v.pins = (const struct alc_pincfg[]) {
@@ -4650,6 +4658,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
 
 	SND_PCI_QUIRK(0x1071, 0x8258, "Evesham Voyaeger", ALC882_FIXUP_EAPD),
 	SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3),
+	SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3", ALC889_FIXUP_CD),
 	SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", ALC882_FIXUP_ABIT_AW9D_MAX),
 	SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC882_FIXUP_EAPD),
 	SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_FIXUP_EAPD),