Dennis and Peter Thank you, your solutions worked. The kernel module pwm_fan is loaded. I wrote 110 to the pwm1 file and the fan started. I was able to modulate the fan speed up to 255.
Aaron On Tue, 2021-12-07 at 07:12 -0600, Dennis Gilmore wrote: > Try running "echo 110 > /sys/class/hwmon/hwmon1/pwm1" then bump it > back to 255 I have found that to work on a different rockchip based > device > > Dennis > > On Tue, Dec 7, 2021, 05:30 Peter Robinson <[email protected]> > wrote: > > > The fan on my Rockpro64 does not work with fedora 34 installed. > > The > > > file /sys/class/hwmon/hwmon1/pwm1 has the value 255. All the > > solution I > > > have found were for Debian/Ubuntu and require installing > > firmware. > > > > All the pieces should be upstream, is the pwm-fan module loaded? > > > > P > > _______________________________________________ > > arm mailing list -- [email protected] > > To unsubscribe send an email to [email protected] > > Fedora Code of Conduct: > > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > > List Guidelines: > > https://fedoraproject.org/wiki/Mailing_list_guidelines > > List Archives: > > > https://lists.fedoraproject.org/archives/list/[email protected] > > Do not reply to spam on the list, report it: > > https://pagure.io/fedora-infrastructure
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