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Change #3184

Category None
Changed by Daniel González Cabanelas <dgcbueuohnoyoudont@gmail.com>
Changed at Sat 04 Jul 2020 19:12:42
Repository https://git.openwrt.org/openwrt/openwrt.git
Branch master
Revision a902e6a657e0807da0bb5d154db2e208b7f567ef


mvebu: LS421DE: use automatic fan control with thermal zones
The Buffalo Linkstation LS421DE has a chassis fan for cooling two internal
hard drives. Currently there is no control over this fan, running always
at fixed medium speed.

With the recent jump to the kernel 5.4, now we can monitor the hard drive
temperature and control the fan with thermal zones.

Install the kmod-hwmon-drivetemp module and wire up a thermal zone on the
dts file to allow automatic fan control by the kernel.

Tested succesfully using a single Crucial BX500 SSD drive.

Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>

Changed files