diff mbox series

[v4,5/6] dt: bindings: lm3692x: Add ti,brightness-mapping-exponential property

Message ID 3da232fdab3112a54d63bd42d5100c921d5b8b20.1578324703.git.agx@sigxcpu.org
State Superseded
Headers show
Series None | expand

Commit Message

Guido Günther Jan. 6, 2020, 3:48 p.m. UTC 
This allows to select exponential brightness mode instead of the default
linear mode.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 Documentation/devicetree/bindings/leds/leds-lm3692x.txt | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
index 501468aa4d38..b8939fdd19d6 100644
--- a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
+++ b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
@@ -18,6 +18,8 @@  Required properties:
 Optional properties:
 	- enable-gpios : gpio pin to enable/disable the device.
 	- vled-supply : LED supply
+	- ti,brightness-mapping-exponential: Whether to use exponential
+	    brightness mapping
 	- ti,ovp-microvolt: Overvoltage protection in
 	    micro-volt, can be 17000000, 21000000, 25000000 or
 	    29000000. If ti,ovp-microvolt is not specified it
@@ -51,6 +53,7 @@  led-controller@36 {
 	enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
 	vled-supply = <&vbatt>;
 	ti,ovp-microvolt = <29000000>;
+	ti,brightness-mapping-exponential;
 
 	led@0 {
 		reg = <0>;