debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/video/backlight/as3711_bl.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * AS3711 PMIC backlight driver, using DCDC Step Up Converters
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  *
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  * Copyright (C) 2012 Renesas Electronics Corporation
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  * Author: Guennadi Liakhovetski, <g.liakhovetski@gmx.de>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the version 2 of the GNU General Public License as
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- * published by the Free Software Foundation
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  */
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 #include <linux/backlight.h>
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@@ -107,17 +104,10 @@
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 	struct as3711_bl_data *data = bl_get_data(bl);
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 	struct as3711_bl_supply *supply = to_supply(data);
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 	struct as3711 *as3711 = supply->as3711;
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-	int brightness = bl->props.brightness;
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+	int brightness;
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 	int ret = 0;
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-	dev_dbg(&bl->dev, "%s(): brightness %u, pwr %x, blank %x, state %x\n",
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-		__func__, bl->props.brightness, bl->props.power,
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-		bl->props.fb_blank, bl->props.state);
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-
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-	if (bl->props.power != FB_BLANK_UNBLANK ||
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-	    bl->props.fb_blank != FB_BLANK_UNBLANK ||
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-	    bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
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-		brightness = 0;
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+	brightness = backlight_get_brightness(bl);
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 	if (data->type == AS3711_BL_SU1) {
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 		ret = as3711_set_brightness_v(as3711, brightness,
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@@ -488,5 +478,5 @@
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 MODULE_DESCRIPTION("Backlight Driver for AS3711 PMICs");
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 MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de");
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-MODULE_LICENSE("GPL");
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+MODULE_LICENSE("GPL v2");
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 MODULE_ALIAS("platform:as3711-backlight");