2 files changed, 22 insertions, 1 deletions

diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt
index e93affff3af8..e72cee9e2a71 100644
--- a/Documentation/sound/alsa/HD-Audio-Models.txt
+++ b/Documentation/sound/alsa/HD-Audio-Models.txt
@@ -403,4 +403,5 @@ STAC9872
 Cirrus Logic CS4206/4207
 ========================
   mbp55         MacBook Pro 5,5
+  imac27        IMac 27 Inch
   auto          BIOS setup (default)
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 4b200da1bd18..fe0423c39598 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -66,6 +66,7 @@ struct cs_spec {
 /* available models */
 enum {
         CS420X_MBP55,
+        CS420X_IMAC27,
         CS420X_AUTO,
         CS420X_MODELS
 };
@@ -827,7 +828,8 @@ static void cs_automute(struct hda_codec *codec)
                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
                                     hp_present ? 0 : PIN_OUT);
         }
-        if (spec->board_config == CS420X_MBP55) {
+        if (spec->board_config == CS420X_MBP55 ||
+            spec->board_config == CS420X_IMAC27) {
                 unsigned int gpio = hp_present ? 0x02 : 0x08;
                 snd_hda_codec_write(codec, 0x01, 0,
                                     AC_VERB_SET_GPIO_DATA, gpio);
@@ -1069,12 +1071,14 @@ static int cs_parse_auto_config(struct hda_codec *codec)
 
 static const char *cs420x_models[CS420X_MODELS] = {
         [CS420X_MBP55] = "mbp55",
+        [CS420X_IMAC27] = "imac27",
         [CS420X_AUTO] = "auto",
 };
 
 
 static struct snd_pci_quirk cs420x_cfg_tbl[] = {
         SND_PCI_QUIRK(0x10de, 0xcb79, "MacBookPro 5,5", CS420X_MBP55),
+        SND_PCI_QUIRK(0x8086, 0x7270, "IMac 27 Inch", CS420X_IMAC27),
         {} /* terminator */
 };
 
@@ -1097,8 +1101,23 @@ static struct cs_pincfg mbp55_pincfgs[] = {
         {} /* terminator */
 };
 
+static struct cs_pincfg imac27_pincfgs[] = {
+        { 0x09, 0x012b4050 },
+        { 0x0a, 0x90100140 },
+        { 0x0b, 0x90100142 },
+        { 0x0c, 0x018b3020 },
+        { 0x0d, 0x90a00110 },
+        { 0x0e, 0x400000f0 },
+        { 0x0f, 0x01cbe030 },
+        { 0x10, 0x014be060 },
+        { 0x12, 0x01ab9070 },
+        { 0x15, 0x400000f0 },
+        {} /* terminator */
+};
+
 static struct cs_pincfg *cs_pincfgs[CS420X_MODELS] = {
         [CS420X_MBP55] = mbp55_pincfgs,
+        [CS420X_IMAC27] = imac27_pincfgs,
 };
 
 static void fix_pincfg(struct hda_codec *codec, int model)
@@ -1128,6 +1147,7 @@ static int patch_cs420x(struct hda_codec *codec)
                 fix_pincfg(codec, spec->board_config);
 
         switch (spec->board_config) {
+        case CS420X_IMAC27:
         case CS420X_MBP55:
                 /* GPIO1 = headphones */
                 /* GPIO3 = speakers */