diff options
author | Stephen Kitt <steve@sk2.org> | 2023-01-06 17:48:52 +0100 |
---|---|---|
committer | Lee Jones <lee@kernel.org> | 2023-02-22 10:55:27 +0000 |
commit | 32fb2588ce69ec254cfd8269bc31d9fbe5b999aa (patch) | |
tree | 87f0d5620b4c3357c570b1b4a40db931d1234381 | |
parent | e3b2ac4088126eebcf2e6d5797f9a94bb67e491e (diff) | |
download | linux-32fb2588ce69ec254cfd8269bc31d9fbe5b999aa.tar.gz linux-32fb2588ce69ec254cfd8269bc31d9fbe5b999aa.tar.bz2 linux-32fb2588ce69ec254cfd8269bc31d9fbe5b999aa.zip |
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
-rw-r--r-- | drivers/video/backlight/aat2870_bl.c | 7 |
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) |