From mboxrd@z Thu Jan 1 00:00:00 1970 From: huang lin Subject: [PATCH 1/2] Documentation: devicetree: add backlight-boot-off property in pwm-backlight Date: Thu, 26 Feb 2015 11:12:45 +0800 Message-ID: <1424920366-7626-2-git-send-email-hl@rock-chips.com> References: <1424920366-7626-1-git-send-email-hl@rock-chips.com> Return-path: In-Reply-To: <1424920366-7626-1-git-send-email-hl@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org To: djkurtz@chromium.org Cc: linux-rockchip@lists.infradead.org, huang lin , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org 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 --- 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