[PATCH 02/10] auxdisplay/ht16k33: Remove struct backlight_ops.check_fb

Thomas Zimmermann
2024-02-12T16:26:51Z

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>
Cc: Robin van der Gracht <robin@protonic.nl>
---
drivers/auxdisplay/ht16k33.c | 8 --------
1 file changed, 8 deletions(-)

diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c
index a90430b7d07ba..0a858db32486b 100644
--- a/drivers/auxdisplay/ht16k33.c
+++ b/drivers/auxdisplay/ht16k33.c
@@ -325,16 +325,8 @@ 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,
};

/*
--
2.43.0