With the attached patch I am able to use the sound on a new IMac 27. What works:
*) Internal speakers
*) Internal microphone
*) Headphone
I don't have an external mic or a SPDIF device to test the rest.
Cheers,
Rafael
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index eeb91f6..7d11c48 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
};
@@ -833,7 +834,8 @@ 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);
@@ -1075,12 +1077,14 @@ 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 */
};
@@ -1103,8 +1107,23 @@ 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)
@@ -1134,6 +1153,7 @@ 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 */
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