This reverts commit ad90b6b0.

This patch breaks I2C communication towards Si2168. After reverting and
applying the other patch in this series the I2C communication is
correct.
Signed-off-by: NOlli Salonen <olli.salonen@iki.fi>
Reviewed-by: NAntti Palosaari <crope@iki.fi>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>