FreeBSD manual
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HCONS(4) FreeBSD Kernel Interfaces Manual HCONS(4)
NAME
hcons - HID consumer page controls driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your
kernel configuration file:
device hcons
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):
hcons_load="YES"
DESCRIPTION
The hcons driver provides support for HID consumer page controls most
often used as "Multimedia 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.hcons.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.hcons.debug
FILES
/dev/input/event* input event device node.
SEE ALSO
iichid(4), usbhid(4)
HISTORY
The hcons driver first appeared in FreeBSD 13.0.
AUTHORS
The hcons driver was written by Vladimir Kondratyev <wulf@FreeBSD.org>.
FreeBSD 14.0-RELEASE-p11 January 23, 2021 FreeBSD 14.0-RELEASE-p11