I want to revive an old discussion. Should we use the contents of input reports or not?

A while back, we decided not to use the contents of input reports, because there is no guarantee that input report 'n' has the same meaning as feature report 'n'. We have not seen any cases so far where this is not the case, but as far as we could see, there is nothing in the HID PDC specification that doesn't allow this. Therefor, when an input report is received, the usbhid-ups driver will now disregard the contents and instead proceeds to read the feature report with the same index.

I would like to change this behavior. For all report descriptors that I could find, the input- and feature reports seem to cover the same variables, so there shouldn't be a problem to do this. In case this would be a problem, there is still a workaround possible by adding the 'pollonly' flag to ups.conf, which will make the driver ignore input reports altogether.

Any objections?

Best regards, Arjen
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