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Manual Pages  — HSCTRL

NAME

hsctrl – HID system controls driver

CONTENTS

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 <Mt wulf@FreeBSD.org>.
HSCTRL (4) January 26, 2021
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