The output compensation controls always returns zero regardless of if
the control value was updated. This results in missing notifications
to user-space of the control change. Update the handling to return 1
when the value is changed.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220628153409.3266932-1-ckeepax@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>