1.\" $OpenBSD: acpisbs.4,v 1.1 2017/03/30 16:04:36 jcs Exp $ 2.\" 3.\" Copyright (c) 2017 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: March 30 2017 $ 18.Dt ACPISBS 4 19.Os 20.Sh NAME 21.Nm acpisbs 22.Nd ACPI Smart Battery subsystem 23.Sh SYNOPSIS 24.Cd "acpisbs* at acpi?" 25.Sh DESCRIPTION 26The 27.Nm 28driver supports the ACPI Smart Battery subsystem and provides 29information about the Smart Battery devices contained within it. 30Battery status is updated every 30 seconds, as well as in response 31to events from the subsystem. 32Battery status can be monitored using 33.Xr sysctl 8 34or 35.Xr sensorsd 8 . 36.Sh SEE ALSO 37.Xr acpi 4 , 38.Xr acpibat 4 , 39.Xr intro 4 , 40.Xr sensorsd 8 , 41.Xr sysctl 8 42.Sh HISTORY 43The 44.Nm 45driver first appeared in 46.Ox 6.1 . 47.Sh AUTHORS 48.An -nosplit 49The 50.Nm 51driver was written by 52.An joshua stein Aq Mt jcs@openbsd.org . 53.Sh CAVEATS 54The 55.Nm 56driver does not currently support more than one battery. 57