The driver sets struct fb_info.bl_dev to the correct backlight
device. Thus rely on the backlight core code to match backlight
and framebuffer devices, and remove the extra check_fb function
from struct backlight_ops.

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Reviewed-by: Javier Martinez Canillas <javi...@redhat.com>
---
 drivers/video/fbdev/ssd1307fb.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 0d1590c61eb06..3f30af3c059e0 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -530,17 +530,10 @@ static int ssd1307fb_get_brightness(struct 
backlight_device *bdev)
        return par->contrast;
 }
 
-static int ssd1307fb_check_fb(struct backlight_device *bdev,
-                                  struct fb_info *info)
-{
-       return (info->bl_dev == bdev);
-}
-
 static const struct backlight_ops ssd1307fb_bl_ops = {
        .options        = BL_CORE_SUSPENDRESUME,
        .update_status  = ssd1307fb_update_bl,
        .get_brightness = ssd1307fb_get_brightness,
-       .check_fb       = ssd1307fb_check_fb,
 };
 
 static struct ssd1307fb_deviceinfo ssd1307fb_ssd1305_deviceinfo = {
-- 
2.44.0

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