struct ld9040 *lcd = NULL;
struct lcd_device *ld = NULL;
struct backlight_device *bd = NULL;
+ struct backlight_properties props;
lcd = kzalloc(sizeof(struct ld9040), GFP_KERNEL);
if (!lcd)
lcd->ld = ld;
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.type = BACKLIGHT_RAW;
+ props.max_brightness = MAX_BRIGHTNESS;
+
bd = backlight_device_register("ld9040-bl", &spi->dev,
- lcd, &ld9040_backlight_ops, NULL);
- if (IS_ERR(ld)) {
- ret = PTR_ERR(ld);
- goto out_free_lcd;
+ lcd, &ld9040_backlight_ops, &props);
+ if (IS_ERR(bd)) {
+ ret = PTR_ERR(bd);
+ goto out_unregister_lcd;
}
- bd->props.max_brightness = MAX_BRIGHTNESS;
bd->props.brightness = MAX_BRIGHTNESS;
lcd->bd = bd;
dev_info(&spi->dev, "ld9040 panel driver has been probed.\n");
return 0;
+out_unregister_lcd:
+ lcd_device_unregister(lcd->ld);
out_free_lcd:
kfree(lcd);
return ret;
struct ld9040 *lcd = dev_get_drvdata(&spi->dev);
ld9040_power(lcd, FB_BLANK_POWERDOWN);
+ backlight_device_unregister(lcd->bd);
lcd_device_unregister(lcd->ld);
kfree(lcd);