h6. [[KeyV]] h6(. » KeyV 3 h2. Notify driver of LED state |_<^{width:3em}. Entry |<^. | |<^. R0|<^. 3 (reason code)| |<^. R1|<^. [[LED Status Flags|LED status flags]]| h4. Use The kernel calls [[KeyV]] with this reason code when the state of the keyboard LEDs changes. h4. Notes Keyboard device drivers *must* claim KeyV and install a routine to handle these calls by setting the keyboard's LEDs as requested. h4. See also * [[KeyV]] * [[LED Status Flags]]