[v2,4/5] power: supply: core: property to control reverse charge

Commit Message

Qiwu Huang July 13, 2020, 4:03 a.m. UTC

From: Qiwu Huang <[e-mail]>

Interface to control wireless reverse charge.
Supply reverse charge function when enabled.

Signed-off-by: Qiwu Huang <[e-mail]>
---
 Documentation/ABI/testing/sysfs-class-power | 12 ++++++++++++
 drivers/power/supply/power_supply_sysfs.c   |  1 +
 include/linux/power_supply.h                |  1 +
 3 files changed, 14 insertions(+)

Patch

diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index f10780be2732..f4234ba1684a 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -740,3 +740,15 @@  Description:
 
 		Access: Read-Only
 		Valid values: Reported as integer
+
+What:		/sys/class/power_supply/<supply_name>/reverse_chg_mode
+Date:		Jul 2020
+Contact:	Fei Jiang <[e-mail]>
+Description:
+		The property supply interface to control wireless
+		reverse charge mode.
+
+		Valid values:
+		- 1: enabled
+		- 0: disabled
+
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index e420a453095e..81916b6b6ccf 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -209,6 +209,7 @@  static struct power_supply_attr power_supply_attrs[] = {
 	POWER_SUPPLY_ATTR(QUICK_CHARGE_TYPE),
 	POWER_SUPPLY_ATTR(TX_ADAPTER),
 	POWER_SUPPLY_ATTR(SIGNAL_STRENGTH),
+	POWER_SUPPLY_ATTR(REVERSE_CHG_MODE),
 };
 
 static struct attribute *
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 397fb8e96b03..319bf6456867 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -170,6 +170,7 @@  enum power_supply_property {
 	POWER_SUPPLY_PROP_QUICK_CHARGE_TYPE,
 	POWER_SUPPLY_PROP_TX_ADAPTER,
 	POWER_SUPPLY_PROP_SIGNAL_STRENGTH,
+	POWER_SUPPLY_PROP_REVERSE_CHG_MODE,
 };
 
 enum power_supply_type {