Symbol: KBD_BL_TRISTATE_AUTO
drivers/platform/x86/lenovo/ideapad-laptop.c
1592
return (type == KBD_BL_TRISTATE) || (type == KBD_BL_TRISTATE_AUTO);
drivers/platform/x86/lenovo/ideapad-laptop.c
2232
priv->kbd_bl.type = KBD_BL_TRISTATE_AUTO;