Hello Jabka: This problem has already been reported and addressed. Take a look at the others bug reports (#480707, #480855, #484779, #490686). The problem is not really from kcontrol, but from klaptopdaemon, hence I've reassigned as well.
Thanks for reporting,
--
Raúl Sánchez Siles
----->Proud Debian user<-----
Linux registered user #416098
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