Input: add static inline accessors for ABS properties

In preparation for dynamically allocated ABS axis, introduce a number of
static inline access helpers. This should make the transition less
painful.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 30 insertions, 0 deletions

diff --git a/include/linux/input.h b/include/linux/input.h
index 339d043ccb53..4a5531161de1 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1469,6 +1469,36 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min
         dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
 }
 
+#define INPUT_GENERATE_ABS_ACCESSORS(_suffix, _item)                    \
+static inline int input_abs_get_##_suffix(struct input_dev *dev,        \
+                                          unsigned int axis)            \
+{                                                                       \
+        return dev->abs##_item[axis];                                   \
+}                                                                       \
+                                                                        \
+static inline void input_abs_set_##_suffix(struct input_dev *dev,       \
+                                           unsigned int axis, int val)  \
+{                                                                       \
+        dev->abs##_item[axis] = val;                                    \
+}
+
+INPUT_GENERATE_ABS_ACCESSORS(min, min)
+INPUT_GENERATE_ABS_ACCESSORS(max, max)
+INPUT_GENERATE_ABS_ACCESSORS(fuzz, fuzz)
+INPUT_GENERATE_ABS_ACCESSORS(flat, flat)
+INPUT_GENERATE_ABS_ACCESSORS(res, res)
+
+static inline int input_abs_get_val(struct input_dev *dev, unsigned int axis)
+{
+        return dev->abs[axis];
+}
+
+static inline void input_abs_set_val(struct input_dev *dev,
+                                     unsigned int axis, int val)
+{
+        dev->abs[axis] = val;
+}
+
 int input_get_keycode(struct input_dev *dev,
                       unsigned int scancode, unsigned int *keycode);
 int input_set_keycode(struct input_dev *dev,