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Message-Id: <7df957d4f7902a5d2a30695ab2a5de19eb7772d3.1578134779.git.agx@sigxcpu.org>
Date: Sat, 4 Jan 2020 11:54:19 +0100
From: Guido Günther <agx@...xcpu.org>
To: Jacek Anaszewski <jacek.anaszewski@...il.com>,
Pavel Machek <pavel@....cz>, Dan Murphy <dmurphy@...com>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v3 3/9] dt: bindings: lm3692x: Add ti,brightness-mapping-exponential property
This allows to select exponential brightness mode instead of the default
linear mode.
Signed-off-by: Guido Günther <agx@...xcpu.org>
---
Documentation/devicetree/bindings/leds/leds-lm3692x.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
index 9b334695c410..197e3fd2ae87 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
@@ -49,6 +51,7 @@ 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>;
--
2.23.0
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