Input: wacom - add LED support for Cintiq 21ux2
Cintiq 21ux2 has two sets of four LEDs on right and left side of
the tablet, respectively.
Reviewed-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Tested-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/Documentation/ABI/testing/sysfs-driver-wacom b/Documentation/ABI/testing/sysfs-driver-wacom
index b560185..82d4df1 100644
--- a/Documentation/ABI/testing/sysfs-driver-wacom
+++ b/Documentation/ABI/testing/sysfs-driver-wacom
@@ -13,11 +13,11 @@
Date: August 2011
Contact: linux-input@vger.kernel.org
Description:
- Attribute group for control of the status LEDs and the OLED
- displays found on the Wacom Intuos 4 M, L, and XL tablets. This
- attribute group is not available for other Wacom tablets.
+ Attribute group for control of the status LEDs and the OLEDs.
+ This attribute group is only available for Intuos 4 M, L,
+ and XL (with LEDs and OLEDs) and Cintiq 21UX2 (LEDs only).
Therefore its presence implicitly signifies the presence of
- said LEDs and OLED displays on the tablet device.
+ said LEDs and OLEDs on the tablet device.
What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status0_luminance
Date: August 2011
@@ -36,12 +36,21 @@
when the stylus touches the tablet surface, or any button is
pressed on the stylus.
-What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status_led_select
+What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status_led0_select
Date: August 2011
Contact: linux-input@vger.kernel.org
Description:
- Writing to this file sets which one of the four status LEDs is
- active (0..3). The other three LEDs are always inactive.
+ Writing to this file sets which one of the four (for Intuos 4)
+ or of the right four (for Cintiq 21UX2) status LEDs is active (0..3).
+ The other three LEDs on the same side are always inactive.
+
+What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status_led1_select
+Date: September 2011
+Contact: linux-input@vger.kernel.org
+Description:
+ Writing to this file sets which one of the left four (for Cintiq 21UX2)
+ status LEDs is active (0..3). The other three LEDs on the left are always
+ inactive.
What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/buttons_luminance
Date: August 2011