HID: is scancode correctly reported after key status change in hidinput_hid_event()?

From: Roel Kluin
Date: Sat Jan 09 2010 - 10:01:50 EST

vi drivers/hid/hid-input.c +634 and not in hidinput_hid_event()

/* report the usage code as scancode if the key status has changed */
if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
input_event(input, EV_MSC, MSC_SCAN, usage->hid);

Only if value is 1 or 0 the input_event() can occur, but value doesn't
seem to be intended to be used as a boolean. are we really doing the
correct test here?

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