1 files changed, 10 insertions, 1 deletions

diff --git a/include/linux/input-polldev.h b/include/linux/input-polldev.h
index 5c0ec68a965e..5e3dddf8f562 100644
--- a/include/linux/input-polldev.h
+++ b/include/linux/input-polldev.h
@@ -21,7 +21,12 @@
  *      longer being polled. Used to put device into low power mode.
  * @poll: driver-supplied method that polls the device and posts
  *      input events (mandatory).
- * @poll_interval: specifies how often the poll() method shoudl be called.
+ * @poll_interval: specifies how often the poll() method should be called.
+ *      Defaults to 500 msec unless overriden when registering the device.
+ * @poll_interval_max: specifies upper bound for the poll interval.
+ *      Defaults to the initial value of @poll_interval.
+ * @poll_interval_min: specifies lower bound for the poll interval.
+ *      Defaults to 0.
  * @input: input device structire associated with the polled device.
  *      Must be properly initialized by the driver (id, name, phys, bits).
  *
@@ -36,8 +41,12 @@ struct input_polled_dev {
         void (*close)(struct input_polled_dev *dev);
         void (*poll)(struct input_polled_dev *dev);
         unsigned int poll_interval; /* msec */
+        unsigned int poll_interval_max; /* msec */
+        unsigned int poll_interval_min; /* msec */
 
         struct input_dev *input;
+
+/* private: */
         struct delayed_work work;
 };