table of contents
IG4(4) | Device Drivers Manual | IG4(4) |
NAME¶
ig4
—
Intel(R) fourth generation mobile CPU integrated I2C SMBus
driver
SYNOPSIS¶
To compile this driver into the kernel, place the following lines into the kernel configuration file:device ig4
device smbus
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
ig4_load="YES"
DESCRIPTION¶
Theig4
driver provides access to peripherals attached
to an I2C SMB controller. ig4
supports the SMBus
controller found in fourth generation Intel(R) Core(TM) processors based on
the mobile U-processor line for intelligent systems. This includes the
i7-4650U, i5-4300U, i3-4010U, and 2980U.
SYSCTL VARIABLES¶
These sysctl(8) variables are available:- debug.ig4_dump
- Setting this to a non-zero value dumps controller registers to console and syslog once. The sysctl resets to zero immediately.
SEE ALSO¶
smb(4), smbus(4)AUTHORS¶
Theig4
driver was written for DragonFly BSD by
Matthew Dillon and subsequently ported to
FreeBSD by Michael Gmelin
<freebsd@grem.de>.
This manual page was written by Michael Gmelin <freebsd@grem.de>.
May 30, 2015 | Linux 4.9.0-9-amd64 |