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authorStephen Kitt <steve@sk2.org>2023-01-06 19:48:52 +0300
committerLee Jones <lee@kernel.org>2023-02-22 13:55:27 +0300
commit32fb2588ce69ec254cfd8269bc31d9fbe5b999aa (patch)
tree87f0d5620b4c3357c570b1b4a40db931d1234381 /drivers/video
parente3b2ac4088126eebcf2e6d5797f9a94bb67e491e (diff)
downloadlinux-32fb2588ce69ec254cfd8269bc31d9fbe5b999aa.tar.xz
backlight: aat2870: Use backlight helper
Instead of retrieving the backlight brightness in struct backlight_properties manually, and then checking whether the backlight should be on at all, use backlight_get_brightness() which does all this and insulates this from future changes. Signed-off-by: Stephen Kitt <steve@sk2.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Lee Jones <lee@kernel.org> Link: https://lore.kernel.org/r/20230106164856.1453819-2-steve@sk2.org
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/aat2870_bl.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/video/backlight/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c
index a7af9adafad6..1cbb303e9c88 100644
--- a/drivers/video/backlight/aat2870_bl.c
+++ b/drivers/video/backlight/aat2870_bl.c
@@ -59,7 +59,7 @@ static int aat2870_bl_update_status(struct backlight_device *bd)
struct aat2870_bl_driver_data *aat2870_bl = bl_get_data(bd);
struct aat2870_data *aat2870 =
dev_get_drvdata(aat2870_bl->pdev->dev.parent);
- int brightness = bd->props.brightness;
+ int brightness = backlight_get_brightness(bd);
int ret;
if ((brightness < 0) || (bd->props.max_brightness < brightness)) {
@@ -70,11 +70,6 @@ static int aat2870_bl_update_status(struct backlight_device *bd)
dev_dbg(&bd->dev, "brightness=%d, power=%d, state=%d\n",
bd->props.brightness, bd->props.power, bd->props.state);
- if ((bd->props.power != FB_BLANK_UNBLANK) ||
- (bd->props.state & BL_CORE_FBBLANK) ||
- (bd->props.state & BL_CORE_SUSPENDED))
- brightness = 0;
-
ret = aat2870->write(aat2870, AAT2870_BLM,
(u8)aat2870_brightness(aat2870_bl, brightness));
if (ret < 0)