| VALZ(4) | Device Drivers Manual | VALZ(4) | 
valz —
valz* at acpi?
valz driver
  provides some support for it.
The valz driver handles the following
    hot-keys:
The valz driver has only been tested on
    the Dynabook R63/PS and some Dynabook models from 2013 or later.
valz driver appeared in NetBSD
  8.0.
| October 12, 2015 | NetBSD 10.0 |