This change adds support for haptic driver controlled by voltage of a
regulator. Userspace can control the device via Force Feedback interface
from input framework.
Signed-off-by: NJaewon Kim <jaewon02.kim@samsung.com>
Signed-off-by: NHyunhee Kim <hyunhee.kim@samsung.com>
Acked-by: NKyungmin Park <kyungmin.park@samsung.com>
Tested-by: NChanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: NChanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: NPankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>