1 What: /sys/devices/platform/*/cnqf_e 1 What: /sys/devices/platform/*/cnqf_enable
2 Date: September 2022 2 Date: September 2022
3 Contact: Shyam Sundar S K <Shyam-sundar. 3 Contact: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
4 Description: Reading this file tells if the 4 Description: Reading this file tells if the AMD Platform Management(PMF)
5 Cool n Quiet Framework(CnQF) f 5 Cool n Quiet Framework(CnQF) feature is enabled or not.
6 6
7 This feature is not enabled by 7 This feature is not enabled by default and gets only turned on
8 if OEM BIOS passes a "flag" to 8 if OEM BIOS passes a "flag" to PMF ACPI function (index 11 or 12)
9 or in case the user writes "on 9 or in case the user writes "on".
10 10
11 To turn off CnQF user can writ 11 To turn off CnQF user can write "off" to the sysfs node.
12 Note: Systems that support aut 12 Note: Systems that support auto mode will not have this sysfs file
13 available. 13 available.
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