[PATCH RESEND 4/4] backlight: tosa: Use backlight helper

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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@xxxxxxx>
---
 drivers/video/backlight/tosa_bl.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
index 77b71f6c19b5..e338b1f00f6a 100644
--- a/drivers/video/backlight/tosa_bl.c
+++ b/drivers/video/backlight/tosa_bl.c
@@ -50,13 +50,8 @@ static void tosa_bl_set_backlight(struct tosa_bl_data *data, int brightness)
 
 static int tosa_bl_update_status(struct backlight_device *dev)
 {
-	struct backlight_properties *props = &dev->props;
 	struct tosa_bl_data *data = bl_get_data(dev);
-	int power = max(props->power, props->fb_blank);
-	int brightness = props->brightness;
-
-	if (power)
-		brightness = 0;
+	int brightness = backlight_get_brightness(dev);
 
 	tosa_bl_set_backlight(data, brightness);
 
-- 
2.30.2




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