On Fri, 2019-08-09 at 08:31 +0300, Felipe Balbi wrote: > Hi, > > Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> writes: > > > Some host drivers really do not like keyboards having an OUT > > endpoint. > > > > For example, most UEFI forked from EDK2 before 2006 (or was it 2008 > > ?) > > have a bug, they'll try to use the *last* interrupt EP in the > > descriptor list and just assume it's an IN endpoint. Newer UEFIs > > use the *first* interrupt endpoint instead. None of them checks the > > direction :-( > > > > This adds a "single_ep" option to f_hid which allows to specify > > that > > only the IN path should be created. This should be used for > > keyboards > > if they are ever to be used with such systems as host. > > > > Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > > Could you come up with a slightly more descriptive name? single_ep > doesn't give me any hint of which endpoint will be left around. > > Perhaps call it 'disable_output_report'? Sure. Or more concice "input_only" maybe ? Cheers, Ben.
