platform/x86/ideapad-laptop.c

144 		bool kbd_bl               : 1;
154 	} kbd_bl;
1367 	if (ideapad_kbd_bl_check_tristate(priv->kbd_bl.type)) {
1369 				FIELD_PREP(KBD_BL_COMMAND_TYPE, priv->kbd_bl.type) |
1380 		if (value <= priv->kbd_bl.led.max_brightness)
1384 		if (value == priv->kbd_bl.led.max_brightness + 1)
1402 	struct ideapad_private *priv = container_of(led_cdev, struct ideapad_private, kbd_bl.led);
1411 	int type = priv->kbd_bl.type;
1414 		if (brightness > priv->kbd_bl.led.max_brightness)
1428 	priv->kbd_bl.last_brightness = brightness;
1436 	struct ideapad_private *priv = container_of(led_cdev, struct ideapad_private, kbd_bl.led);
1445 	if (!priv->kbd_bl.initialized)
1452 	if (brightness == priv->kbd_bl.last_brightness)
1455 	priv->kbd_bl.last_brightness = brightness;
1457 	led_classdev_notify_brightness_hw_changed(&priv->kbd_bl.led, brightness);
1464 	if (!priv->features.kbd_bl)
1467 	if (WARN_ON(priv->kbd_bl.initialized))
1470 	if (ideapad_kbd_bl_check_tristate(priv->kbd_bl.type)) {
1471 		priv->kbd_bl.led.max_brightness = 2;
1473 		priv->kbd_bl.led.max_brightness = 1;
1480 	priv->kbd_bl.last_brightness = brightness;
1481 	priv->kbd_bl.led.name                    = "platform::" LED_FUNCTION_KBD_BACKLIGHT;
1482 	priv->kbd_bl.led.brightness_get          = ideapad_kbd_bl_led_cdev_brightness_get;
1483 	priv->kbd_bl.led.brightness_set_blocking = ideapad_kbd_bl_led_cdev_brightness_set;
1484 	priv->kbd_bl.led.flags                   = LED_BRIGHT_HW_CHANGED;
1486 	err = led_classdev_register(&priv->platform_device->dev, &priv->kbd_bl.led);
1490 	priv->kbd_bl.initialized = true;
1497 	if (!priv->kbd_bl.initialized)
1500 	priv->kbd_bl.initialized = false;
1502 	led_classdev_unregister(&priv->kbd_bl.led);
1754 				priv->features.kbd_bl = true;
1755 				priv->kbd_bl.type = KBD_BL_STANDARD;
1766 				priv->features.kbd_bl = true;
1767 				priv->kbd_bl.type = KBD_BL_TRISTATE;
1769 				priv->features.kbd_bl = true;
1770 				priv->kbd_bl.type = KBD_BL_TRISTATE_AUTO;