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Commit 656d4f33 authored by Laurent Pinchart's avatar Laurent Pinchart
Browse files

fbdev: sh_mobile_lcdc: Store the backlight brightness internally 



There's no need to query the hardware for the currenty brightness value
through a platform data callback when we can cache the value internally
in the LCDC driver.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
parent 074d0da4

drivers/video/sh_mobile_lcdcfb.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -2282,6 +2282,7 @@ static int sh_mobile_lcdc_update_bl(struct backlight_device *bdev) 
	    bdev->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))

	    bdev->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))

		brightness = 0;

		brightness = 0;





	ch->bl_brightness = brightness;

	return ch->cfg->bl_info.set_brightness(brightness);

	return ch->cfg->bl_info.set_brightness(brightness);

}

}
@@ -2289,7 +2290,7 @@ static int sh_mobile_lcdc_get_brightness(struct backlight_device *bdev) 
{

{

	struct sh_mobile_lcdc_chan *ch = bl_get_data(bdev);

	struct sh_mobile_lcdc_chan *ch = bl_get_data(bdev);





	return ch->cfg->bl_info.get_brightness();

	return ch->bl_brightness;

}

}





static int sh_mobile_lcdc_check_fb(struct backlight_device *bdev,

static int sh_mobile_lcdc_check_fb(struct backlight_device *bdev,

drivers/video/sh_mobile_lcdcfb.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -94,6 +94,7 @@ struct sh_mobile_lcdc_chan { 




	/* Backlight */

	/* Backlight */

	struct backlight_device *bl;

	struct backlight_device *bl;

	unsigned int bl_brightness;





	/* FB */

	/* FB */

	struct fb_info *info;

	struct fb_info *info;