[PATCH v2] power: supply: Allow charger manager can be built as a module

[Baolin Wang]

Allow charger manager can be built as a module like other charger
drivers.

Signed-off-by: Baolin Wang <baolin.wang7@xxxxxxxxx>
---
Changes from v1:
 - Use IS_ENABLED() instead.
---
 drivers/power/supply/Kconfig          | 2 +-
 include/linux/power/charger-manager.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
index 9a5591a..195bc04 100644
--- a/drivers/power/supply/Kconfig
+++ b/drivers/power/supply/Kconfig
@@ -480,7 +480,7 @@ config CHARGER_GPIO
 	  called gpio-charger.
 
 config CHARGER_MANAGER
-	bool "Battery charger manager for multiple chargers"
+	tristate "Battery charger manager for multiple chargers"
 	depends on REGULATOR
 	select EXTCON
 	help
diff --git a/include/linux/power/charger-manager.h b/include/linux/power/charger-manager.h
index ad19e68..ae94dce 100644
--- a/include/linux/power/charger-manager.h
+++ b/include/linux/power/charger-manager.h
@@ -248,7 +248,7 @@ struct charger_manager {
 	u64 charging_end_time;
 };
 
-#ifdef CONFIG_CHARGER_MANAGER
+#if IS_ENABLED(CONFIG_CHARGER_MANAGER)
 extern void cm_notify_event(struct power_supply *psy,
 				enum cm_event_types type, char *msg);
 #else
-- 
1.9.1