fbdev: ssd1307fb: Remove struct backlight_ops.check_fb

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 <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20240305162425.23845-10-tzimmermann@suse.de
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 0d1590c61eb060c99e3edf4c74fa28b249dd5ab0..3f30af3c059e0f2346a336256d12e27c580aeab3 100644 (file)
--- 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 = {