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.. SPDX-License-Identifier: GPL-2.0-or-later
Kernel driver corsair-psu
=========================
Supported devices:
* Corsair Power Supplies
Corsair HX550i
Corsair HX650i
Corsair HX750i
Corsair HX850i
Corsair HX1000i (revision 1 and 2)
Corsair HX1200i
Corsair HX1500i
Corsair RM550i
Corsair RM650i
Corsair RM750i
Corsair RM850i
Corsair RM1000i
Author: Wilken Gottwalt
Description
-----------
This driver implements the sysfs interface for the Corsair PSUs with a HID protocol
interface of the HXi and RMi series.
These power supplies provide access to a micro-controller with 2 attached
temperature sensors, 1 fan rpm sensor, 4 sensors for volt levels, 4 sensors for
power usage and 4 sensors for current levels and addtional non-sensor information
like uptimes.
Sysfs entries
-------------
======================= ========================================================
curr1_input Total current usage
curr2_input Current on the 12v psu rail
curr2_crit Current max critical value on the 12v psu rail
curr3_input Current on the 5v psu rail
curr3_crit Current max critical value on the 5v psu rail
curr4_input Current on the 3.3v psu rail
curr4_crit Current max critical value on the 3.3v psu rail
fan1_input RPM of psu fan
in0_input Voltage of the psu ac input
in1_input Voltage of the 12v psu rail
in1_crit Voltage max critical value on the 12v psu rail
in1_lcrit Voltage min critical value on the 12v psu rail
in2_input Voltage of the 5v psu rail
in2_crit Voltage max critical value on the 5v psu rail
in2_lcrit Voltage min critical value on the 5v psu rail
in3_input Voltage of the 3.3v psu rail
in3_crit Voltage max critical value on the 3.3v psu rail
in3_lcrit Voltage min critical value on the 3.3v psu rail
power1_input Total power usage
power2_input Power usage of the 12v psu rail
power3_input Power usage of the 5v psu rail
power4_input Power usage of the 3.3v psu rail
temp1_input Temperature of the psu vrm component
temp1_crit Temperature max cirtical value of the psu vrm component
temp2_input Temperature of the psu case
temp2_crit Temperature max critical value of psu case
======================= ========================================================
Usage Notes
-----------
It is an USB HID device, so it is auto-detected and supports hot-swapping.
Flickering values in the rail voltage levels can be an indicator for a failing
PSU. The driver also provides some additional useful values via debugfs, which
do not fit into the hwmon class.
Debugfs entries
---------------
======================= ========================================================
ocpmode Single or multi rail mode of the PCIe power connectors
product Product name of the psu
uptime Session uptime of the psu
uptime_total Total uptime of the psu
vendor Vendor name of the psu
======================= ========================================================
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