Input: add regulator haptic driver

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: Jaewon Kim <jaewon02.kim@samsung.com>
Signed-off-by: Hyunhee Kim <hyunhee.kim@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab6163f..1da0a20c42ea 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,18 @@ config INPUT_CM109
           To compile this driver as a module, choose M here: the module will be
           called cm109.
 
+config INPUT_REGULATOR_HAPTIC
+        tristate "Regulator haptics support"
+        depends on REGULATOR
+        select INPUT_FF_MEMLESS
+        help
+          This option enables device driver support for the haptic controlled
+          by a regulator. This driver supports ff-memless interface
+          from input framework.
+
+          To compile this driver as a module, choose M here: the
+          module will be called regulator-haptic.
+
 config INPUT_RETU_PWRBUTTON
         tristate "Retu Power button Driver"
         depends on MFD_RETU