From 77e82516a69ad7dd10ada425930ba35e933abcfb Mon Sep 17 00:00:00 2001
From: Ping Cheng <pinglinux@gmail.com>
Date: Tue, 4 Oct 2011 23:50:42 -0700
Subject: [PATCH] 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>
---
Documentation/ABI/testing/sysfs-driver-wacom | 8 +++-----
drivers/input/tablet/wacom.h | 6 +++---
2 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-driver-wacom b/Documentation/ABI/testing/sysfs-driver-wacom
index b1d5c17dd67f95..b5601859de5a02 100644
--- a/Documentation/ABI/testing/sysfs-driver-wacom
+++ b/Documentation/ABI/testing/sysfs-driver-wacom
@@ -23,7 +23,7 @@ What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status0_lum
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 @@ What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status1_lum
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 @@ 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. 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 00332d66bc4b9c..561f1072343bb3 100644
--- a/drivers/input/tablet/wacom.h
+++ b/drivers/input/tablet/wacom.h
@@ -115,9 +115,9 @@ struct wacom {
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;
};
--
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