From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom

---
 kernel/drivers/video/backlight/rave-sp-backlight.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/kernel/drivers/video/backlight/rave-sp-backlight.c b/kernel/drivers/video/backlight/rave-sp-backlight.c
index 462f14a..05b5f00 100644
--- a/kernel/drivers/video/backlight/rave-sp-backlight.c
+++ b/kernel/drivers/video/backlight/rave-sp-backlight.c
@@ -48,14 +48,20 @@
 	struct device *dev = &pdev->dev;
 	struct backlight_device *bd;
 
-	bd = devm_backlight_device_register(dev, pdev->name, dev->parent,
+	bd = devm_backlight_device_register(dev, pdev->name, dev,
 					    dev_get_drvdata(dev->parent),
 					    &rave_sp_backlight_ops,
 					    &rave_sp_backlight_props);
 	if (IS_ERR(bd))
 		return PTR_ERR(bd);
 
-	backlight_update_status(bd);
+	/*
+	 * If there is a phandle pointing to the device node we can
+	 * assume that another device will manage the status changes.
+	 * If not we make sure the backlight is in a consistent state.
+	 */
+	if (!dev->of_node->phandle)
+		backlight_update_status(bd);
 
 	return 0;
 }

--
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