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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-06 14:57:23 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-06 14:57:23 -0800 |
| commit | 7c2d18357f2c4d26e727e76245e297ffdbc03097 (patch) | |
| tree | 916034629ae421a4c5c9b8182e2aa31a3dfdee46 /Documentation | |
| parent | 964d069f93c4468b220f7e15fac7a3f7bd6d13ec (diff) | |
| parent | 9bbd77d5bbc9aff8cb74d805c31751f5f0691ba8 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"Nothing terribly interesting, just a few fixups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - sync supported devices with fork on GitHub
Input: ariel-pwrbutton - remove unused variable ariel_pwrbutton_id_table
Input: goodix - add support for Goodix GT9286 chip
dt-bindings: input: touchscreen: goodix: Add binding for GT9286 IC
dt-bindings: input: adc-keys: clarify description
Input: ili210x - implement pressure reporting for ILI251x
Input: i8042 - unbreak Pegatron C15B
Input: st1232 - wait until device is ready before reading resolution
Input: st1232 - do not read more bytes than needed
Input: st1232 - fix off-by-one error in resolution handling
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/input/adc-keys.txt | 22 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/goodix.yaml | 1 |
2 files changed, 21 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/input/adc-keys.txt b/Documentation/devicetree/bindings/input/adc-keys.txt index e551814629b4..6c8be6a9ace2 100644 --- a/Documentation/devicetree/bindings/input/adc-keys.txt +++ b/Documentation/devicetree/bindings/input/adc-keys.txt @@ -5,7 +5,8 @@ Required properties: - compatible: "adc-keys" - io-channels: Phandle to an ADC channel - io-channel-names = "buttons"; - - keyup-threshold-microvolt: Voltage at which all the keys are considered up. + - keyup-threshold-microvolt: Voltage above or equal to which all the keys are + considered up. Optional properties: - poll-interval: Poll interval time in milliseconds @@ -17,7 +18,12 @@ Each button (key) is represented as a sub-node of "adc-keys": Required subnode-properties: - label: Descriptive name of the key. - linux,code: Keycode to emit. - - press-threshold-microvolt: Voltage ADC input when this key is pressed. + - press-threshold-microvolt: voltage above or equal to which this key is + considered pressed. + +No two values of press-threshold-microvolt may be the same. +All values of press-threshold-microvolt must be less than +keyup-threshold-microvolt. Example: @@ -47,3 +53,15 @@ Example: press-threshold-microvolt = <500000>; }; }; + ++--------------------------------+------------------------+ +| 2.000.000 <= value | no key pressed | ++--------------------------------+------------------------+ +| 1.500.000 <= value < 2.000.000 | KEY_VOLUMEUP pressed | ++--------------------------------+------------------------+ +| 1.000.000 <= value < 1.500.000 | KEY_VOLUMEDOWN pressed | ++--------------------------------+------------------------+ +| 500.000 <= value < 1.000.000 | KEY_ENTER pressed | ++--------------------------------+------------------------+ +| value < 500.000 | no key pressed | ++--------------------------------+------------------------+ diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.yaml b/Documentation/devicetree/bindings/input/touchscreen/goodix.yaml index da5b0d87e16d..93f2ce3130ae 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/goodix.yaml +++ b/Documentation/devicetree/bindings/input/touchscreen/goodix.yaml @@ -26,6 +26,7 @@ properties: - goodix,gt927 - goodix,gt9271 - goodix,gt928 + - goodix,gt9286 - goodix,gt967 reg: |