On Mon, Aug 07, 2023 at 07:20:03PM +0200, Aleksa Savic wrote: > Add a 200ms delay after sending a ctrl report to Quadro, > Octo, D5 Next and Aquaero to give them enough time to > process the request and save the data to memory. Otherwise, > under heavier userspace loads where multiple sysfs entries > are usually set in quick succession, a new ctrl report could > be requested from the device while it's still processing the > previous one and fail with -EPIPE. The delay is only applied > if two ctrl report operations are near each other in time. > > Reported by a user on Github [1] and tested by both of us. > > [1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/issues/82 > > Fixes: 752b927951ea ("hwmon: (aquacomputer_d5next) Add support for Aquacomputer Octo") > Signed-off-by: Aleksa Savic <savicaleksa83@xxxxxxxxx> I would have suggested to use fsleep() to avoid unnecessary sleep times if they are small, bt I guess it doesn't make much of a difference. Applied. Thanks, Guenter
