https://bugzilla.kernel.org/show_bug.cgi?id=119211
Alex Deucher alexdeucher@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |alexdeucher@gmail.com
--- Comment #8 from Alex Deucher alexdeucher@gmail.com --- By default the hw controls the fan based on temperature, etc.
Not all cards have a fan control. If you do, then the following standard HWMON pwm attributes should be available:
* pwm1_enable: Current fan management mode (MANUAL or AUTO) * pwm1: Current PWM value (power percentage) * pwm1_min: The minimum PWM speed allowed * pwm1_max: The maximum PWM speed allowed (bypassed when hitting Fan_boost)
The fan can be driven in different modes:
* 1: The fan can be driven in manual (use pwm1 to change the speed); * 2; The fan is driven automatically depending on the temperature.
See: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/...