We need to read the directory and the profiles only once.
Nothing tells us how many profiles are supported, so use the specifications
from Logitech website, and add a hwdb entry for those.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Rather than having a bunch of gotos just define a cleanup for this device and
let the magic do the rest.
Found by coverity
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
