On Wed, 2021-09-08 at 11:22 +1200, Luke D. Jones wrote: > Add support for custom fan curves found on some ASUS ROG laptops. > > These laptops have the ability to set a custom curve for the CPU > and GPU fans via two ACPI methods. > > This patch adds two pwm<N> attributes to the hwmon sysfs, > pwm1 for CPU fan, pwm2 for GPU fan. Both are under the hwmon of the > name `asus_custom_fan_curve`. There is no safety check of the set > fan curves - this must be done in userspace. > > The fans have settings [1,2,3] under pwm<N>_enable: > 1. Enable and write settings out > 2. Disable and use factory fan mode > 3. Same as 2, additionally restoring default factory curve. > > Use of 2 means that the curve the user has set is still stored and > won't be erased, but the laptop will be using its default auto-fan > mode. Re-enabling the manual mode then activates the curves again. > > Notes: > - pwm<N>_enable = 0 is an invalid setting. > - pwm is actually a percentage and is scaled on writing to device. I was trying to update: https://gitlab.freedesktop.org/hadess/power-profiles-daemon/-/merge_requests/80 but I don't understand what files I need to check for what values to detect whether custom fan curves were used. Can you help me out here? Also, was this patch accepted in the pdx86 tree? Cheers
