1 files changed, 8 insertions, 1 deletions

diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index 2c7fbca40b69..45534da57759 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -74,6 +74,8 @@ enum rc_filter_type {
  * @input_dev: the input child device used to communicate events to userspace
  * @driver_type: specifies if protocol decoding is done in hardware or software
  * @idle: used to keep track of RX state
+ * @encode_wakeup: wakeup filtering uses IR encode API, therefore the allowed
+ *      wakeup protocols is the set of all raw encoders
  * @allowed_protocols: bitmask with the supported RC_BIT_* protocols
  * @enabled_protocols: bitmask with the enabled RC_BIT_* protocols
  * @allowed_wakeup_protocols: bitmask with the supported RC_BIT_* wakeup protocols
@@ -134,6 +136,7 @@ struct rc_dev {
         struct input_dev                *input_dev;
         enum rc_driver_type             driver_type;
         bool                            idle;
+        bool                            encode_wakeup;
         u64                             allowed_protocols;
         u64                             enabled_protocols;
         u64                             allowed_wakeup_protocols;
@@ -239,10 +242,11 @@ static inline void init_ir_raw_event(struct ir_raw_event *ev)
         memset(ev, 0, sizeof(*ev));
 }
 
-#define IR_MAX_DURATION         0xFFFFFFFF      /* a bit more than 4 seconds */
+#define IR_MAX_DURATION         500000000       /* 500 ms */
 #define US_TO_NS(usec)          ((usec) * 1000)
 #define MS_TO_US(msec)          ((msec) * 1000)
 #define MS_TO_NS(msec)          ((msec) * 1000 * 1000)
+#define NS_TO_US(nsec)          DIV_ROUND_UP(nsec, 1000L)
 
 void ir_raw_event_handle(struct rc_dev *dev);
 int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev);
@@ -250,6 +254,9 @@ int ir_raw_event_store_edge(struct rc_dev *dev, enum raw_event_type type);
 int ir_raw_event_store_with_filter(struct rc_dev *dev,
                                 struct ir_raw_event *ev);
 void ir_raw_event_set_idle(struct rc_dev *dev, bool idle);
+int ir_raw_encode_scancode(u64 protocols,
+                           const struct rc_scancode_filter *scancode,
+                           struct ir_raw_event *events, unsigned int max);
 
 static inline void ir_raw_event_reset(struct rc_dev *dev)
 {