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| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2012-08-15 18:10:03 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2012-11-21 15:50:01 +0100 |
| commit | 656d4f332c02b14e62fe3f4247a1dcdc33961de6 (patch) | |
| tree | 899b8e3bb7c5abb1283e5450c6c8e872884871f6 | |
| parent | 074d0da486e2a5b8e80c35070ede7104f302f6da (diff) | |
| download | linux-3.10-656d4f332c02b14e62fe3f4247a1dcdc33961de6.tar.gz linux-3.10-656d4f332c02b14e62fe3f4247a1dcdc33961de6.tar.bz2 linux-3.10-656d4f332c02b14e62fe3f4247a1dcdc33961de6.zip | |
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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| -rw-r--r-- | drivers/video/sh_mobile_lcdcfb.c | 3 | ||||
| -rw-r--r-- | drivers/video/sh_mobile_lcdcfb.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index c169581c3a7..dd8dd41b4ac 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -2282,6 +2282,7 @@ static int sh_mobile_lcdc_update_bl(struct backlight_device *bdev) bdev->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK)) brightness = 0; + ch->bl_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); - return ch->cfg->bl_info.get_brightness(); + return ch->bl_brightness; } static int sh_mobile_lcdc_check_fb(struct backlight_device *bdev, diff --git a/drivers/video/sh_mobile_lcdcfb.h b/drivers/video/sh_mobile_lcdcfb.h index 0f92f6544b9..f839adef1d9 100644 --- a/drivers/video/sh_mobile_lcdcfb.h +++ b/drivers/video/sh_mobile_lcdcfb.h @@ -94,6 +94,7 @@ struct sh_mobile_lcdc_chan { /* Backlight */ struct backlight_device *bl; + unsigned int bl_brightness; /* FB */ struct fb_info *info; |