HSCTRL(4) FreeBSD Kernel Interfaces Manual HSCTRL(4)
NAME
hsctrl - HID system controls driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your
kernel configuration file:
device hsctrl
device hid
device hidbus
device hidmap
device evdev
Alternatively, to load the driver as a module at boot time, place the
following line in loader.conf(5):
hsctrl_load="YES"
DESCRIPTION
The hsctrl driver provides support for HID system controls most often
used as "Power off/Sleep keys" found on many keyboards.
The /dev/input/event* device presents the consumer page controls as a
evdev type device.
SYSCTL VARIABLES
The following variable is available as both sysctl(8) variable and
loader(8) tunable:
dev.hsctrl.X.debug
Debug output level, where 0 is debugging disabled and larger
values increase debug message verbosity. Default is 0.
It default value is set with loader(8) tunable:
hw.hid.hsctrl.debug
FILES
/dev/input/event* input event device node.
SEE ALSO
iichid(4), usbhid(4)
HISTORY
The hsctrl driver first appeared in FreeBSD 13.0.
AUTHORS
The hsctrl driver was written by Vladimir Kondratyev <
[email protected]>.
FreeBSD 14.1-RELEASE-p8 January 26, 2021 FreeBSD 14.1-RELEASE-p8