From mboxrd@z Thu Jan 1 00:00:00 1970 From: Denis Carikli Date: Fri, 14 Mar 2014 10:55:52 +0000 Subject: [PATCH v15][ 2/3] video: imxfb: Add DT default contrast control register property. Message-Id: <1394794553-14719-2-git-send-email-denis@eukrea.com> List-Id: References: <1394794553-14719-1-git-send-email-denis@eukrea.com> In-Reply-To: <1394794553-14719-1-git-send-email-denis@eukrea.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org Signed-off-by: Denis Carikli Acked-by: Jean-Christophe PLAGNIOL-VILLARD Acked-by: Grant Likely --- ChangeLog v14->v15: - Moved the Cc into git send-email. - Rebased. ChangeLog v5->v14: - Remove people not concerned by this patch from the Cc list. - Changed the property name to match the register name and function. - Updated the documentation, code and commit message accordingly. --- .../devicetree/bindings/video/fsl,imx-fb.txt | 3 +++ drivers/video/fbdev/imxfb.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/video/fsl,imx-fb.txt b/Documentation/devicetree/bindings/video/fsl,imx-fb.txt index e6b1ee9..0329f60 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/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c index 086e024..f6e6216 100644 --- a/drivers/video/fbdev/imxfb.c +++ b/drivers/video/fbdev/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); -- 1.7.9.5