Input: wacom - don't expose LED inactive option
The LED also indicates the status of the tablet. Don't turn it off.
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 b1d5c17..b560185 100644
--- a/Documentation/ABI/testing/sysfs-driver-wacom
+++ b/Documentation/ABI/testing/sysfs-driver-wacom
@@ -23,7 +23,7 @@
Date: August 2011
Contact: linux-input@vger.kernel.org
Description:
- Writing to this file sets the status LED luminance (0..127)
+ Writing to this file sets the status LED luminance (1..127)
when the stylus does not touch the tablet surface, and no
button is pressed on the stylus. This luminance level is
normally lower than the level when a button is pressed.
@@ -32,7 +32,7 @@
Date: August 2011
Contact: linux-input@vger.kernel.org
Description:
- Writing to this file sets the status LED luminance (0..127)
+ Writing to this file sets the status LED luminance (1..127)
when the stylus touches the tablet surface, or any button is
pressed on the stylus.
@@ -41,9 +41,7 @@
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. By
- means of specifying "-1" it is possible to set all status LEDs
- to inactive.
+ active (0..3). The other three LEDs are always inactive.
What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/buttons_luminance
Date: August 2011
diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h
index 00332d66..561f107 100644
--- a/drivers/input/tablet/wacom.h
+++ b/drivers/input/tablet/wacom.h
@@ -115,9 +115,9 @@
bool open;
char phys[32];
struct wacom_led {
- u8 select; /* status led selector (0..3, -1=none) */
- u8 llv; /* status led brightness no button */
- u8 hlv; /* status led brightness button pressed */
+ u8 select; /* status led selector (0..3) */
+ u8 llv; /* status led brightness no button (1..127) */
+ u8 hlv; /* status led brightness button pressed (1..127) */
u8 img_lum; /* OLED matrix display brightness */
} led;
};