[PATCH v2 2/5] power: supply: core: add wireless charger adapter type property

[Qiwu Huang]

From: Qiwu Huang <huangqiwu@xxxxxxxxxx>

Reports what type of wireless adapter connection is
currently active forthe supply.
for example it can show if ADAPTER_PD capable source is attached.

Signed-off-by: Qiwu Huang <huangqiwu@xxxxxxxxxx>
---
 Documentation/ABI/testing/sysfs-class-power | 11 +++++++++++
 drivers/power/supply/power_supply_sysfs.c   |  1 +
 include/linux/power_supply.h                |  1 +
 3 files changed, 13 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index d3169d47e359..cd07d3f4e8b1 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -718,3 +718,14 @@ Contact:	Fei Jiang <jiangfei1@xxxxxxxxxx>
 		Access: Read-Only
 		Valid values: Reported as integer
 
+===== Wireless Charger Properties =====
+What:		/sys/class/power_supply/<supply_name>/tx_adapter
+Date:		Jul 2020
+Contact:	Fei Jiang <jiangfei1@xxxxxxxxxx>
+Description:
+		Reports what type of wireless adapter connection is currently active for
+		the supply, for example it can show if ADAPTER_PD capable source
+		is attached.
+
+		Access: Read-Only
+		Valid values: Reported as integer
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index 9554d7907373..f2458e21d02b 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -207,6 +207,7 @@ static struct power_supply_attr power_supply_attrs[] = {
 	POWER_SUPPLY_ATTR(MANUFACTURER),
 	POWER_SUPPLY_ATTR(SERIAL_NUMBER),
 	POWER_SUPPLY_ATTR(QUICK_CHARGE_TYPE),
+	POWER_SUPPLY_ATTR(TX_ADAPTER),
 };
 
 static struct attribute *
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 3fe7e9ef2f0f..2de9a4c93723 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -168,6 +168,7 @@ enum power_supply_property {
 	POWER_SUPPLY_PROP_MANUFACTURER,
 	POWER_SUPPLY_PROP_SERIAL_NUMBER,
 	POWER_SUPPLY_PROP_QUICK_CHARGE_TYPE,
+	POWER_SUPPLY_PROP_TX_ADAPTER,
 };
 
 enum power_supply_type {
-- 
2.27.0