charger-manager: Provide cm_notify_event function for in-kernel use

By using cm_notify_event function, charger driver can report several
charger events (e.g. battery full and external power in/out, etc) to
Charger-Manager. Charger-Manager can properly and immediately control
chargers by the reported event.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>

1 files changed, 17 insertions, 8 deletions

diff --git a/include/linux/power/charger-manager.h b/include/linux/power/charger-manager.h
index baa299a95e1..241065c9ce5 100644
--- a/include/linux/power/charger-manager.h
+++ b/include/linux/power/charger-manager.h
@@ -31,6 +31,16 @@ enum polling_modes {
         CM_POLL_CHARGING_ONLY,
 };
 
+enum cm_event_types {
+        CM_EVENT_UNKNOWN = 0,
+        CM_EVENT_BATT_FULL,
+        CM_EVENT_BATT_IN,
+        CM_EVENT_BATT_OUT,
+        CM_EVENT_EXT_PWR_IN_OUT,
+        CM_EVENT_CHG_START_STOP,
+        CM_EVENT_OTHERS,
+};
+
 /**
  * struct charger_global_desc
  * @rtc_name: the name of RTC used to wake up the system from suspend.
@@ -159,14 +169,13 @@ struct charger_manager {
 #ifdef CONFIG_CHARGER_MANAGER
 extern int setup_charger_manager(struct charger_global_desc *gd);
 extern bool cm_suspend_again(void);
+extern void cm_notify_event(struct power_supply *psy,
+                                enum cm_event_types type, char *msg);
 #else
-static void __maybe_unused setup_charger_manager(struct charger_global_desc *gd)
-{ }
-
-static bool __maybe_unused cm_suspend_again(void)
-{
-        return false;
-}
+static inline int setup_charger_manager(struct charger_global_desc *gd)
+{ return 0; }
+static inline bool cm_suspend_again(void) { return false; }
+static inline void cm_notify_event(struct power_supply *psy,
+                                enum cm_event_types type, char *msg) { }
 #endif
-
 #endif /* _CHARGER_MANAGER_H */