From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthias Kaehlcke Date: Mon, 10 Jun 2019 23:37:38 +0000 Subject: [PATCH 1/2] dt-bindings: pwm-backlight: Add 'max-brightness' property Message-Id: <20190610233739.29477-1-mka@chromium.org> List-Id: References: <20170628111632.22582-1-enric.balletbo@collabora.com> In-Reply-To: <20170628111632.22582-1-enric.balletbo@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Lee Jones , Daniel Thompson , Jingoo Han , Jacek Anaszewski , Pavel Machek , Rob Herring , Mark Rutland , Thierry Reding , Bartlomiej Zolnierkiewicz , Enric Balletbo i Serra Cc: dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, linux-fbdev@vger.kernel.org, Douglas Anderson , Brian Norris , Matthias Kaehlcke Add an optional 'max-brightness' property, which is used to specify the number of brightness levels (max-brightness + 1) when the node has no 'brightness-levels' table. Signed-off-by: Matthias Kaehlcke --- .../devicetree/bindings/leds/backlight/pwm-backlight.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt b/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt index 64fa2fbd98c9..98f4ba626054 100644 --- a/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt +++ b/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt @@ -27,6 +27,9 @@ Optional properties: resolution pwm duty cycle can be used without having to list out every possible value in the brightness-level array. + - max-brightness: Maximum brightness value. Used to specify the number of + brightness levels (max-brightness + 1) when the node + has no 'brightness-levels' table. [0]: Documentation/devicetree/bindings/pwm/pwm.txt [1]: Documentation/devicetree/bindings/gpio/gpio.txt -- 2.22.0.rc2.383.gf4fbbf30c2-goog