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e3c399ee4a
Thsi patch adds ability to control OLED micro displays on Wacom Intuos4
Wireless. The OLEDS are exposed as
/sys/class/hidraw/hidraw*/device/oled{No]_img
where No. is 0 to 7
Setting an image:
dd bs=256 if=img_file of=/sys/class/hidraw/hidraw{No}/device/oled0_img
The image has to contain 256 bytes (64x32px 1 bit). More detailed
description in Documentation/ABI/testing/sysfs-driver-wacom
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
96 lines
3.9 KiB
Plaintext
96 lines
3.9 KiB
Plaintext
WWhat: /sys/class/hidraw/hidraw*/device/oled*_img
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Date: June 2012
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Contact: linux-bluetooth@vger.kernel.org
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Description:
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The /sys/class/hidraw/hidraw*/device/oled*_img files control
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OLED mocro displays on Intuos4 Wireless tablet. Accepted image
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has to contain 256 bytes (64x32 px 1 bit colour). The format
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is the same as PBM image 62x32px without header (64 bits per
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horizontal line, 32 lines). An example of setting OLED No. 0:
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dd bs=256 count=1 if=img_file of=[path to oled0_img]/oled0_img
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The attribute is read only and no local copy of the image is
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stored.
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What: /sys/class/hidraw/hidraw*/device/speed
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Date: April 2010
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Kernel Version: 2.6.35
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Contact: linux-bluetooth@vger.kernel.org
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Description:
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The /sys/class/hidraw/hidraw*/device/speed file controls
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reporting speed of Wacom bluetooth tablet. Reading from
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this file returns 1 if tablet reports in high speed mode
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or 0 otherwise. Writing to this file one of these values
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switches reporting speed.
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What: /sys/class/leds/0005\:056A\:00BD.0001\:selector\:*/
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Date: May 2012
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Kernel Version: 3.5
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Contact: linux-bluetooth@vger.kernel.org
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Description:
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LED selector for Intuos4 WL. There are 4 leds, but only one LED
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can be lit at a time. Max brightness is 127.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/led
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Date: August 2011
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Contact: linux-input@vger.kernel.org
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Description:
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Attribute group for control of the status LEDs and the OLEDs.
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This attribute group is only available for Intuos 4 M, L,
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and XL (with LEDs and OLEDs), Intuos 5 (LEDs only), and Cintiq
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21UX2 and Cintiq 24HD (LEDs only). Therefore its presence
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implicitly signifies the presence of said LEDs and OLEDs on the
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tablet device.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status0_luminance
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Date: August 2011
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Contact: linux-input@vger.kernel.org
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Description:
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Writing to this file sets the status LED luminance (1..127)
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when the stylus does not touch the tablet surface, and no
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button is pressed on the stylus. This luminance level is
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normally lower than the level when a button is pressed.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status1_luminance
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Date: August 2011
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Contact: linux-input@vger.kernel.org
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Description:
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Writing to this file sets the status LED luminance (1..127)
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when the stylus touches the tablet surface, or any button is
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pressed on the stylus.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status_led0_select
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Date: August 2011
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Contact: linux-input@vger.kernel.org
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Description:
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Writing to this file sets which one of the four (for Intuos 4
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and Intuos 5) or of the right four (for Cintiq 21UX2 and Cintiq
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24HD) status LEDs is active (0..3). The other three LEDs on the
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same side are always inactive.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status_led1_select
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Date: September 2011
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Contact: linux-input@vger.kernel.org
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Description:
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Writing to this file sets which one of the left four (for Cintiq 21UX2
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and Cintiq 24HD) status LEDs is active (0..3). The other three LEDs on
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the left are always inactive.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/buttons_luminance
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Date: August 2011
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Contact: linux-input@vger.kernel.org
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Description:
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Writing to this file sets the overall luminance level (0..15)
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of all eight button OLED displays.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/button<n>_rawimg
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Date: August 2011
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Contact: linux-input@vger.kernel.org
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Description:
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When writing a 1024 byte raw image in Wacom Intuos 4
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interleaving format to the file, the image shows up on Button N
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of the device. The image is a 64x32 pixel 4-bit gray image. The
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1024 byte binary is split up into 16x 64 byte chunks. Each 64
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byte chunk encodes the image data for two consecutive lines on
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the display. The low nibble of each byte contains the first
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line, and the high nibble contains the second line.
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