1 files changed, 25 insertions, 12 deletions

diff --git a/include/linux/input.h b/include/linux/input.h
index f44ee9114401..7ed2251b33f1 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -58,10 +58,10 @@ struct input_absinfo {
 
 #define EVIOCGVERSION           _IOR('E', 0x01, int)                    /* get driver version */
 #define EVIOCGID                _IOR('E', 0x02, struct input_id)        /* get device ID */
-#define EVIOCGREP               _IOR('E', 0x03, int[2])                 /* get repeat settings */
-#define EVIOCSREP               _IOW('E', 0x03, int[2])                 /* set repeat settings */
-#define EVIOCGKEYCODE           _IOR('E', 0x04, int[2])                 /* get keycode */
-#define EVIOCSKEYCODE           _IOW('E', 0x04, int[2])                 /* set keycode */
+#define EVIOCGREP               _IOR('E', 0x03, unsigned int[2])        /* get repeat settings */
+#define EVIOCSREP               _IOW('E', 0x03, unsigned int[2])        /* set repeat settings */
+#define EVIOCGKEYCODE           _IOR('E', 0x04, unsigned int[2])        /* get keycode */
+#define EVIOCSKEYCODE           _IOW('E', 0x04, unsigned int[2])        /* set keycode */
 
 #define EVIOCGNAME(len)         _IOC(_IOC_READ, 'E', 0x06, len)         /* get device name */
 #define EVIOCGPHYS(len)         _IOC(_IOC_READ, 'E', 0x07, len)         /* get physical location */
@@ -378,7 +378,7 @@ struct input_absinfo {
 #define KEY_WIMAX               246
 #define KEY_RFKILL              247     /* Key that controls all radios */
 
-/* Range 248 - 255 is reserved for special needs of AT keyboard driver */
+/* Code 255 is reserved for special needs of AT keyboard driver */
 
 #define BTN_MISC                0x100
 #define BTN_0                   0x100
@@ -597,6 +597,7 @@ struct input_absinfo {
 #define KEY_NUMERIC_POUND       0x20b
 
 #define KEY_CAMERA_FOCUS        0x210
+#define KEY_WPS_BUTTON          0x211   /* WiFi Protected Setup key */
 
 #define BTN_TRIGGER_HAPPY               0x2c0
 #define BTN_TRIGGER_HAPPY1              0x2c0
@@ -1141,8 +1142,10 @@ struct input_dev {
         unsigned int keycodemax;
         unsigned int keycodesize;
         void *keycode;
-        int (*setkeycode)(struct input_dev *dev, int scancode, int keycode);
-        int (*getkeycode)(struct input_dev *dev, int scancode, int *keycode);
+        int (*setkeycode)(struct input_dev *dev,
+                          unsigned int scancode, unsigned int keycode);
+        int (*getkeycode)(struct input_dev *dev,
+                          unsigned int scancode, unsigned int *keycode);
 
         struct ff_device *ff;
 
@@ -1242,6 +1245,10 @@ struct input_handle;
  * @event: event handler. This method is being called by input core with
  *      interrupts disabled and dev->event_lock spinlock held and so
  *      it may not sleep
+ * @filter: similar to @event; separates normal event handlers from
+ *      "filters".
+ * @match: called after comparing device's id with handler's id_table
+ *      to perform fine-grained matching between device and handler
  * @connect: called when attaching a handler to an input device
  * @disconnect: disconnects a handler from input device
  * @start: starts handler for given handle. This function is called by
@@ -1253,8 +1260,6 @@ struct input_handle;
  * @name: name of the handler, to be shown in /proc/bus/input/handlers
  * @id_table: pointer to a table of input_device_ids this driver can
  *      handle
- * @blacklist: pointer to a table of input_device_ids this driver should
- *      ignore even if they match @id_table
  * @h_list: list of input handles associated with the handler
  * @node: for placing the driver onto input_handler_list
  *
@@ -1263,6 +1268,11 @@ struct input_handle;
  * same time. All of them will get their copy of input event generated by
  * the device.
  *
+ * The very same structure is used to implement input filters. Input core
+ * allows filters to run first and will not pass event to regular handlers
+ * if any of the filters indicate that the event should be filtered (by
+ * returning %true from their filter() method).
+ *
  * Note that input core serializes calls to connect() and disconnect()
  * methods.
  */
@@ -1271,6 +1281,8 @@ struct input_handler {
         void *private;
 
         void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value);
+        bool (*filter)(struct input_handle *handle, unsigned int type, unsigned int code, int value);
+        bool (*match)(struct input_handler *handler, struct input_dev *dev);
         int (*connect)(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id);
         void (*disconnect)(struct input_handle *handle);
         void (*start)(struct input_handle *handle);
@@ -1280,7 +1292,6 @@ struct input_handler {
         const char *name;
 
         const struct input_device_id *id_table;
-        const struct input_device_id *blacklist;
 
         struct list_head        h_list;
         struct list_head        node;
@@ -1406,8 +1417,10 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min
         dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
 }
 
-int input_get_keycode(struct input_dev *dev, int scancode, int *keycode);
-int input_set_keycode(struct input_dev *dev, int scancode, int keycode);
+int input_get_keycode(struct input_dev *dev,
+                      unsigned int scancode, unsigned int *keycode);
+int input_set_keycode(struct input_dev *dev,
+                      unsigned int scancode, unsigned int keycode);
 
 extern struct class input_class;