[PATCH 1/3] HID: wacom: generic: add 3 tablet touch keys

[Ping Cheng <pinglinux@gmail.com>]

This patch add support to the 3 touch keys on Wacom Cintiq Pro.
These touch keys are in the middile of the other two keys on
the top edge of the tablet.

Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
---
 drivers/hid/wacom_wac.c                | 12 ++++++++++++
 drivers/hid/wacom_wac.h                |  3 +++
 include/uapi/linux/input-event-codes.h |  1 +
 3 files changed, 16 insertions(+)

diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index d51daf5..a0135ac 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -1761,6 +1761,18 @@ static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
 		features->device_type |= WACOM_DEVICETYPE_PAD;
 		break;
+	case WACOM_HID_WD_BUTTONCONFIG:
+		wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
+		features->device_type |= WACOM_DEVICETYPE_PAD;
+		break;
+	case WACOM_HID_WD_ONSCREEN_KEYBOARD:
+		wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
+		features->device_type |= WACOM_DEVICETYPE_PAD;
+		break;
+	case WACOM_HID_WD_CONTROLPANEL:
+		wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
+		features->device_type |= WACOM_DEVICETYPE_PAD;
+		break;
 	}
 
 	switch (equivalent_usage & 0xfffffff0) {
diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h
index 857ccee..5eba31d 100644
--- a/drivers/hid/wacom_wac.h
+++ b/drivers/hid/wacom_wac.h
@@ -120,6 +120,9 @@
 #define WACOM_HID_WD_BATTERY_LEVEL      (WACOM_HID_UP_WACOMDIGITIZER | 0x043b)
 #define WACOM_HID_WD_EXPRESSKEY00       (WACOM_HID_UP_WACOMDIGITIZER | 0x0910)
 #define WACOM_HID_WD_EXPRESSKEYCAP00    (WACOM_HID_UP_WACOMDIGITIZER | 0x0950)
+#define WACOM_HID_WD_CONTROLPANEL       (WACOM_HID_UP_WACOMDIGITIZER | 0x0982)
+#define WACOM_HID_WD_ONSCREEN_KEYBOARD  (WACOM_HID_UP_WACOMDIGITIZER | 0x0983)
+#define WACOM_HID_WD_BUTTONCONFIG       (WACOM_HID_UP_WACOMDIGITIZER | 0x0986)
 #define WACOM_HID_WD_BUTTONHOME         (WACOM_HID_UP_WACOMDIGITIZER | 0x0990)
 #define WACOM_HID_WD_BUTTONUP           (WACOM_HID_UP_WACOMDIGITIZER | 0x0991)
 #define WACOM_HID_WD_BUTTONDOWN         (WACOM_HID_UP_WACOMDIGITIZER | 0x0992)
diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index 3af60ee..f5a8d96 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -641,6 +641,7 @@
  * e.g. teletext or data broadcast application (MHEG, MHP, HbbTV, etc.)
  */
 #define KEY_DATA			0x277
+#define KEY_ONSCREEN_KEYBOARD		0x278
 
 #define BTN_TRIGGER_HAPPY		0x2c0
 #define BTN_TRIGGER_HAPPY1		0x2c0
-- 
1.8.3.1