1*1590ac2cSShyam Sundar S KWhat: /sys/devices/platform/*/cnqf_enable 2*1590ac2cSShyam Sundar S KDate: September 2022 3*1590ac2cSShyam Sundar S KContact: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> 4*1590ac2cSShyam Sundar S KDescription: Reading this file tells if the AMD Platform Management(PMF) 5*1590ac2cSShyam Sundar S K Cool n Quiet Framework(CnQF) feature is enabled or not. 6*1590ac2cSShyam Sundar S K 7*1590ac2cSShyam Sundar S K This feature is not enabled by default and gets only turned on 8*1590ac2cSShyam Sundar S K if OEM BIOS passes a "flag" to PMF ACPI function (index 11 or 12) 9*1590ac2cSShyam Sundar S K or in case the user writes "on". 10*1590ac2cSShyam Sundar S K 11*1590ac2cSShyam Sundar S K To turn off CnQF user can write "off" to the sysfs node. 12*1590ac2cSShyam Sundar S K Note: Systems that support auto mode will not have this sysfs file 13*1590ac2cSShyam Sundar S K available. 14