debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/video/backlight/lcd.c
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..
@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * LCD Lowlevel Control Abstraction
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  *
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@@ -29,18 +30,6 @@
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 	struct lcd_device *ld;
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 	struct fb_event *evdata = data;
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-	/* If we aren't interested in this event, skip it immediately ... */
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-	switch (event) {
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-	case FB_EVENT_BLANK:
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-	case FB_EVENT_MODE_CHANGE:
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-	case FB_EVENT_MODE_CHANGE_ALL:
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-	case FB_EARLY_EVENT_BLANK:
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-	case FB_R_EARLY_EVENT_BLANK:
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-		break;
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-	default:
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-		return 0;
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-	}
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-
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 	ld = container_of(self, struct lcd_device, fb_notif);
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 	if (!ld->ops)
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 		return 0;
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@@ -50,14 +39,6 @@
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 		if (event == FB_EVENT_BLANK) {
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 			if (ld->ops->set_power)
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 				ld->ops->set_power(ld, *(int *)evdata->data);
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-		} else if (event == FB_EARLY_EVENT_BLANK) {
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-			if (ld->ops->early_set_power)
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-				ld->ops->early_set_power(ld,
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-						*(int *)evdata->data);
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-		} else if (event == FB_R_EARLY_EVENT_BLANK) {
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-			if (ld->ops->r_early_set_power)
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-				ld->ops->r_early_set_power(ld,
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-						*(int *)evdata->data);
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 		} else {
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 			if (ld->ops->set_mode)
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 				ld->ops->set_mode(ld, evdata->data);
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@@ -198,6 +179,7 @@
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  * lcd_device_register - register a new object of lcd_device class.
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  * @name: the name of the new object(must be the same as the name of the
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  *   respective framebuffer device).
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+ * @parent: pointer to the parent's struct device .
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  * @devdata: an optional pointer to be stored in the device. The
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  *   methods may retrieve it by using lcd_get_data(ld).
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  * @ops: the lcd operations structure.