[PATCH] Add support for the Mid 2011 MacBook Air keyboard layout

[Dirk Hohndel <hohndel@infradead.org>]

When adding support for the MacBookAir4,x models in commit
5d922baa631058c7e37ae33e81c4d3e6437f8d1d Joshua Dillon overlooked
that they have a slightly different keyboard layout compared to the older
MacBook Air models. With this patch the function keys all work as
advertized, including keyboard brightness, etc.

Signed-off-by: Dirk Hohndel <hohndel@infradead.org>
---
 drivers/hid/hid-apple.c |   26 +++++++++++++++++++++++++-
 1 files changed, 25 insertions(+), 1 deletions(-)

diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 8cdb4b4..57489a2 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -82,6 +82,30 @@ static const struct apple_key_translation macbookair_fn_keys[] = {
 	{ }
 };
 
+/* MacBook Air Mid2011 
+ * (dmidecode identifies as MacBookAir4,1 (11") and 4,2 (13")) */
+static const struct apple_key_translation macbookair4_x_fn_keys[] = {
+	{ KEY_BACKSPACE, KEY_DELETE },
+	{ KEY_ENTER,	KEY_INSERT },
+	{ KEY_F1,	KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
+	{ KEY_F2,	KEY_BRIGHTNESSUP,   APPLE_FLAG_FKEY },
+	{ KEY_F3,	KEY_SCALE,          APPLE_FLAG_FKEY },
+	{ KEY_F4,	KEY_DASHBOARD,      APPLE_FLAG_FKEY },
+	{ KEY_F5,	KEY_KBDILLUMDOWN,   APPLE_FLAG_FKEY },
+	{ KEY_F6,	KEY_KBDILLUMUP,     APPLE_FLAG_FKEY },
+	{ KEY_F7,	KEY_PREVIOUSSONG,   APPLE_FLAG_FKEY },
+	{ KEY_F8,	KEY_PLAYPAUSE,      APPLE_FLAG_FKEY },
+	{ KEY_F9,	KEY_NEXTSONG,       APPLE_FLAG_FKEY },
+	{ KEY_F10,	KEY_MUTE,           APPLE_FLAG_FKEY },
+	{ KEY_F11,	KEY_VOLUMEDOWN,     APPLE_FLAG_FKEY },
+	{ KEY_F12,	KEY_VOLUMEUP,       APPLE_FLAG_FKEY },
+	{ KEY_UP,	KEY_PAGEUP },
+	{ KEY_DOWN,	KEY_PAGEDOWN },
+	{ KEY_LEFT,	KEY_HOME },
+	{ KEY_RIGHT,	KEY_END },
+	{ }
+};
+
 static const struct apple_key_translation apple_fn_keys[] = {
 	{ KEY_BACKSPACE, KEY_DELETE },
 	{ KEY_ENTER,	KEY_INSERT },
@@ -185,7 +209,7 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
 			table = macbookair_fn_keys;
 		else if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI &&
 				hid->product <= USB_DEVICE_ID_APPLE_WELLSPRING6_JIS)
-			table = macbookair_fn_keys;
+			table = macbookair4_x_fn_keys;
 		else if (hid->product < 0x21d || hid->product >= 0x300)
 			table = powerbook_fn_keys;
 		else
-- 
1.7.7