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android_kernel_xiaomi_sm8450/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
Linus Torvalds ed3f4e2398 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "Just random driver fixups, nothing exiting"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: synaptics - avoid using uninitialized variable when probing
  Input: xen-kbdfront - mark expected switch fall-through
  Input: atmel_mxt_ts - mark expected switch fall-through
  Input: cyapa - mark expected switch fall-throughs
  Input: wm97xx-ts - fix exit path
  Input: of_touchscreen - add support for touchscreen-min-x|y
  Input: Fix DIR-685 touchkeys MAINTAINERS entry
  Input: elants_i2c - use DMA safe i2c when possible
  Input: silead - try firmware reload after unsuccessful resume
  Input: st1232 - set INPUT_PROP_DIRECT property
  Input: xilinx_ps2 - convert to using %pOFn instead of device_node.name
  Input: atmel_mxt_ts - fix multiple <linux/property.h> includes
  Input: sun4i-lradc - convert to using %pOFn instead of device_node.name
  Input: pwm-vibrator - correct pwms in DT binding example
2018-10-27 10:20:39 -07:00

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General Touchscreen Properties:
Optional properties for Touchscreens:
- touchscreen-min-x : minimum x coordinate reported (0 if not set)
- touchscreen-min-y : minimum y coordinate reported (0 if not set)
- touchscreen-size-x : horizontal resolution of touchscreen
(maximum x coordinate reported + 1)
- touchscreen-size-y : vertical resolution of touchscreen
(maximum y coordinate reported + 1)
- touchscreen-max-pressure : maximum reported pressure (arbitrary range
dependent on the controller)
- touchscreen-min-pressure : minimum pressure on the touchscreen to be
achieved in order for the touchscreen
driver to report a touch event.
- touchscreen-fuzz-x : horizontal noise value of the absolute input
device (in pixels)
- touchscreen-fuzz-y : vertical noise value of the absolute input
device (in pixels)
- touchscreen-fuzz-pressure : pressure noise value of the absolute input
device (arbitrary range dependent on the
controller)
- touchscreen-average-samples : Number of data samples which are averaged
for each read (valid values dependent on the
controller)
- touchscreen-inverted-x : X axis is inverted (boolean)
- touchscreen-inverted-y : Y axis is inverted (boolean)
- touchscreen-swapped-x-y : X and Y axis are swapped (boolean)
Swapping is done after inverting the axis
- touchscreen-x-mm : horizontal length in mm of the touchscreen
- touchscreen-y-mm : vertical length in mm of the touchscreen
Deprecated properties for Touchscreens:
- x-size : deprecated name for touchscreen-size-x
- y-size : deprecated name for touchscreen-size-y
- moving-threshold : deprecated name for a combination of
touchscreen-fuzz-x and touchscreen-fuzz-y
- contact-threshold : deprecated name for touchscreen-fuzz-pressure
- x-invert : deprecated name for touchscreen-inverted-x
- y-invert : deprecated name for touchscreen-inverted-y