From: Duje Mihanović <duje@dujemihanovic.xyz>

Boards using this backlight chip do not power the backlight off on
suspend. Enable BL_CORE_SUSPENDRESUME so the chip gets powered off by
the backlight core on suspend.

Tested on samsung,coreprimevelte.

Cc: stable@vger.kernel.org # v6.19
Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
 drivers/video/backlight/ktd2801-backlight.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/backlight/ktd2801-backlight.c b/drivers/video/backlight/ktd2801-backlight.c
index 17eac1b3bce4..1b1307e03b20 100644
--- a/drivers/video/backlight/ktd2801-backlight.c
+++ b/drivers/video/backlight/ktd2801-backlight.c
@@ -53,6 +53,7 @@ static int ktd2801_update_status(struct backlight_device *bd)
 }
 
 static const struct backlight_ops ktd2801_backlight_ops = {
+	.options = BL_CORE_SUSPENDRESUME,
 	.update_status = ktd2801_update_status,
 };
 

---
base-commit: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f
change-id: 20260314-ktd2801-pm-fix-17e8715f8c37

Best regards,
--  
Duje Mihanović <duje@dujemihanovic.xyz>