Add the backlight-boot-ff property, so we can keeping the backlight
disabled at boot until it is enabled implicitly by a panel driver,
or explicitly by userspace.
Signed-off-by: huang lin <h...@rock-chips.com>
---
Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt | 1 +
1 file changed, 1 insertion(+)
diff --git
a/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
b/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
index 764db86..28b0b4d 100644
--- a/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
+++ b/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
@@ -17,6 +17,7 @@ Optional properties:
"pwms" property (see PWM binding[0])
- enable-gpios: contains a single GPIO specifier for the GPIO which enables
and disables the backlight (see GPIO binding[1])
+ - backlight-boot-off: turn off backlight when pwm backlight probe
[0]: Documentation/devicetree/bindings/pwm/pwm.txt
[1]: Documentation/devicetree/bindings/gpio/gpio.txt
--
1.9.1
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