1 files changed, 23 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index bd8d46cca2b3..cccaf9c7a7bb 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -58,6 +58,7 @@ enum {
         CS420X_GPIO_23,
         CS420X_MBP101,
         CS420X_MBP81,
+        CS420X_MBA42,
         CS420X_AUTO,
         /* aliases */
         CS420X_IMAC27_122 = CS420X_GPIO_23,
@@ -346,6 +347,7 @@ static const struct hda_model_fixup cs420x_models[] = {
         { .id = CS420X_APPLE, .name = "apple" },
         { .id = CS420X_MBP101, .name = "mbp101" },
         { .id = CS420X_MBP81, .name = "mbp81" },
+        { .id = CS420X_MBA42, .name = "mba42" },
         {}
 };
 
@@ -361,6 +363,7 @@ static const struct snd_pci_quirk cs420x_fixup_tbl[] = {
         SND_PCI_QUIRK(0x106b, 0x1c00, "MacBookPro 8,1", CS420X_MBP81),
         SND_PCI_QUIRK(0x106b, 0x2000, "iMac 12,2", CS420X_IMAC27_122),
         SND_PCI_QUIRK(0x106b, 0x2800, "MacBookPro 10,1", CS420X_MBP101),
+        SND_PCI_QUIRK(0x106b, 0x5b00, "MacBookAir 4,2", CS420X_MBA42),
         SND_PCI_QUIRK_VENDOR(0x106b, "Apple", CS420X_APPLE),
         {} /* terminator */
 };
@@ -414,6 +417,20 @@ static const struct hda_pintbl mbp101_pincfgs[] = {
         {} /* terminator */
 };
 
+static const struct hda_pintbl mba42_pincfgs[] = {
+        { 0x09, 0x012b4030 }, /* HP */
+        { 0x0a, 0x400000f0 },
+        { 0x0b, 0x90100120 }, /* speaker */
+        { 0x0c, 0x400000f0 },
+        { 0x0d, 0x90a00110 }, /* mic */
+        { 0x0e, 0x400000f0 },
+        { 0x0f, 0x400000f0 },
+        { 0x10, 0x400000f0 },
+        { 0x12, 0x400000f0 },
+        { 0x15, 0x400000f0 },
+        {} /* terminator */
+};
+
 static void cs420x_fixup_gpio_13(struct hda_codec *codec,
                                  const struct hda_fixup *fix, int action)
 {
@@ -482,6 +499,12 @@ static const struct hda_fixup cs420x_fixups[] = {
                 .chained = true,
                 .chain_id = CS420X_GPIO_13,
         },
+        [CS420X_MBA42] = {
+                .type = HDA_FIXUP_PINS,
+                .v.pins = mba42_pincfgs,
+                .chained = true,
+                .chain_id = CS420X_GPIO_13,
+        },
 };
 
 static struct cs_spec *cs_alloc_spec(struct hda_codec *codec, int vendor_nid)