From: Denis Carikli Date: Fri, 14 Mar 2014 10:55:52 +0000 (+0100) Subject: video: imxfb: Add DT default contrast control register property. X-Git-Tag: firefly_0821_release~176^2~4117^2~7 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=cf071d2ab3812f39a62cbe95b407a69f057ff61a;p=firefly-linux-kernel-4.4.55.git video: imxfb: Add DT default contrast control register property. Signed-off-by: Denis Carikli Acked-by: Jean-Christophe PLAGNIOL-VILLARD Acked-by: Grant Likely Signed-off-by: Tomi Valkeinen --- diff --git a/Documentation/devicetree/bindings/video/fsl,imx-fb.txt b/Documentation/devicetree/bindings/video/fsl,imx-fb.txt index e6b1ee9b8e2e..0329f60d431e 100644 --- a/Documentation/devicetree/bindings/video/fsl,imx-fb.txt +++ b/Documentation/devicetree/bindings/video/fsl,imx-fb.txt @@ -18,6 +18,9 @@ Optional properties: - lcd-supply: Regulator for LCD supply voltage. - fsl,dmacr: DMA Control Register value. This is optional. By default, the register is not modified as recommended by the datasheet. +- fsl,lpccr: Contrast Control Register value. This property provides the + default value for the contrast control register. + If that property is ommited, the register is zeroed. - fsl,lscr1: LCDC Sharp Configuration Register value. Example: diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index 086e02431232..f6e621684953 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c @@ -670,6 +670,9 @@ static int imxfb_init_fbinfo(struct platform_device *pdev) fbi->cmap_static = of_property_read_bool(np, "cmap-static"); fbi->lscr1 = IMXFB_LSCR1_DEFAULT; + + of_property_read_u32(np, "fsl,lpccr", &fbi->pwmr); + of_property_read_u32(np, "fsl,lscr1", &fbi->lscr1); of_property_read_u32(np, "fsl,dmacr", &fbi->dmacr);