162306a36Sopenharmony_ciWhat: /sys/devices/platform/*/cnqf_enable 262306a36Sopenharmony_ciDate: September 2022 362306a36Sopenharmony_ciContact: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> 462306a36Sopenharmony_ciDescription: Reading this file tells if the AMD Platform Management(PMF) 562306a36Sopenharmony_ci Cool n Quiet Framework(CnQF) feature is enabled or not. 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci This feature is not enabled by default and gets only turned on 862306a36Sopenharmony_ci if OEM BIOS passes a "flag" to PMF ACPI function (index 11 or 12) 962306a36Sopenharmony_ci or in case the user writes "on". 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci To turn off CnQF user can write "off" to the sysfs node. 1262306a36Sopenharmony_ci Note: Systems that support auto mode will not have this sysfs file 1362306a36Sopenharmony_ci available. 14