* [PATCH 0/2] backlight: pwm: Add backlight-boot-off property
@ 2015-02-26 3:12 huang lin
2015-02-26 3:12 ` [PATCH 1/2] Documentation: devicetree: add backlight-boot-off property in pwm-backlight huang lin
0 siblings, 1 reply; 2+ messages in thread
From: huang lin @ 2015-02-26 3:12 UTC (permalink / raw)
To: djkurtz-F7+t8E8rja9g9hUCZPvPmw
Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, huang lin,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-fbdev-u79uwXL29TY76Z2rM5mHXA, Thierry Reding, Jingoo Han,
Kumar Gala, Jean-Christophe Plagniol-Villard,
linux-kernel-u79uwXL29TY76Z2rM5mHXA, Ian Campbell, Rob Herring,
linux-pwm-u79uwXL29TY76Z2rM5mHXA, Tomi Valkeinen, Pawel Moll,
Lee Jones, Mark Rutland
Add backlight-boot-off property, so we can keeping the
backlight disabled at boot until it is enabled implicitly
by a panel driver, or explicitly by userspace
huang lin (2):
Documentation: devicetree: add backlight-boot-off property in
pwm-backlight
backlight: pwm: Add backlight-boot-off property
Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt | 1 +
drivers/video/backlight/pwm_bl.c | 4 ++++
2 files changed, 5 insertions(+)
--
1.9.1
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^ permalink raw reply [flat|nested] 2+ messages in thread* [PATCH 1/2] Documentation: devicetree: add backlight-boot-off property in pwm-backlight
2015-02-26 3:12 [PATCH 0/2] backlight: pwm: Add backlight-boot-off property huang lin
@ 2015-02-26 3:12 ` huang lin
0 siblings, 0 replies; 2+ messages in thread
From: huang lin @ 2015-02-26 3:12 UTC (permalink / raw)
To: djkurtz
Cc: linux-rockchip, huang lin, Rob Herring, Pawel Moll, Mark Rutland,
Ian Campbell, Kumar Gala, devicetree, linux-kernel
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 <hl@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
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2015-02-26 3:12 [PATCH 0/2] backlight: pwm: Add backlight-boot-off property huang lin
2015-02-26 3:12 ` [PATCH 1/2] Documentation: devicetree: add backlight-boot-off property in pwm-backlight huang lin
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