auxdisplay: ht16k33: 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.

v3:
	* use 'check_fb()' in commit message (Andy)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Robin van der Gracht <robin@protonic.nl>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Acked-by: Andy Shevchenko <andy@kernel.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20240305162425.23845-3-tzimmermann@suse.de
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Thomas Zimmermann 2024-03-05 17:22:35 +01:00 committed by Lee Jones
parent e6c6fea5c3
commit 330682161d

View File

@ -295,16 +295,8 @@ static int ht16k33_bl_update_status(struct backlight_device *bl)
return ht16k33_brightness_set(priv, brightness);
}
static int ht16k33_bl_check_fb(struct backlight_device *bl, struct fb_info *fi)
{
struct ht16k33_priv *priv = bl_get_data(bl);
return (fi == NULL) || (fi->par == priv);
}
static const struct backlight_ops ht16k33_bl_ops = {
.update_status = ht16k33_bl_update_status,
.check_fb = ht16k33_bl_check_fb,
};
/*