1.\" $OpenBSD: acpicbkbd.4,v 1.1 2016/08/23 18:39:08 jcs Exp $ 2.\" 3.\" Copyright (c) 2016 joshua stein <jcs@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: August 23 2016 $ 18.Dt ACPICBKBD 4 19.Os 20.Sh NAME 21.Nm acpicbkbd 22.Nd Chromebook keyboard backlight 23.Sh SYNOPSIS 24.Cd "acpicbkbd* at acpi?" 25.Sh DESCRIPTION 26The 27.Nm 28driver enables adjustment of the keyboard backlight level on Chromebook 29laptops with supported hardware. 30Backlight levels can be retrieved and modified with the 31.Xr wsconsctl 8 32variable 33.Va keyboard.backlight . 34.Sh SEE ALSO 35.Xr acpi 4 , 36.Xr wsconsctl 8 37.Sh HISTORY 38The 39.Nm 40driver first appeared in 41.Ox 6.0 . 42.Sh AUTHORS 43.An -nosplit 44The 45.Nm 46driver was written by 47.An joshua stein Aq Mt jcs@openbsd.org . 48