[PATCH 4/6] HID: multitouch: add support for ASUS T3304 media keys

[James Ye <jye836@gmail.com>]

Touchpad functionality already works with hid-multitouch, but media key
events are emitted from the touchpad interface. Add MT_CLS_ASUS to
handle these, and also add missing key mappings.

Signed-off-by: James Ye <jye836@gmail.com>
---
 drivers/hid/hid-multitouch.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index e82a3c4e5b44..a49930496c5b 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1510,6 +1510,10 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 		case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF);		break;
 		case 0x6b: mt_map_key_clear(KEY_F21);			break;
 		case 0x6c: mt_map_key_clear(KEY_SLEEP);			break;
+		case 0x7c: mt_map_key_clear(KEY_MICMUTE);		break;
+		case 0x4e: mt_map_key_clear(KEY_FN_ESC);		break;
+
+		case 0x86: mt_map_key_clear(KEY_PROG1);		break; /* MyASUS key */
 		default:
 			return -1;
 		}
@@ -2145,6 +2149,12 @@ static const struct hid_device_id mt_devices[] = {
 			USB_VENDOR_ID_ASUSTEK,
 			USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) },
 
+	/* Asus T3304 */
+	{ .driver_data = MT_CLS_ASUS,
+		HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
+			USB_VENDOR_ID_ASUSTEK,
+			USB_DEVICE_ID_ASUSTEK_T3304_KEYBOARD) },
+
 	/* Atmel panels */
 	{ .driver_data = MT_CLS_SERIAL,
 		MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
-- 
2.54.0