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Commit 2d759be2 authored by Qiwu Huang's avatar Qiwu Huang Committed by Greg Kroah-Hartman
Browse files

FROMLIST: power: supply: core: add wireless charger adapter type property 



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.

Bug: 159767865

Signed-off-by: default avatarQiwu Huang <huangqiwu@xiaomi.com>
Link: https://lore.kernel.org/lkml/b57461ee3d3fe4b3ad7462e251506e83bdb13887.1598349907.git.huangqiwu@xiaomi.com/
Change-Id: I1b10ec74019dc36305dcb24cd1db9e2b8bb9b721
parent eebbc84b

Documentation/ABI/testing/sysfs-class-power

+28 −0
Original line number Diff line number Diff line
@@ -730,3 +730,31 @@ Contact: Fei Jiang <jiangfei1@xiaomi.com> 
			3: QUICK_CHARGE_TURBE,

			4: QUICK_CHARGE_SUPER.



===== Wireless Charger Properties =====

What:		/sys/class/power_supply/<supply_name>/tx_adapter

Date:		Jul 2020

Contact:	Fei Jiang <jiangfei1@xiaomi.com>

Description:

		Reports the type of wireless adapter connection is currently active for

		the supply, for example it can show if ADAPTER_PD capable source

		is attached. Expect common wireless adapter type, also increase by

		some vendor private adapter type(ex. ADAPTER_PD_40W).



		Access: Read-Only

		Valid values:

			0: ADAPTER_NONE,

			1: ADAPTER_SDP,

			2: ADAPTER_DCP,

			3: ADAPTER_CDP,

			4: ADAPTER_OCP,

			5: ADAPTER_QC2,

			6: ADAPTER_QC3,

			7: ADAPTER_PD,

			8: ADAPTER_AUTH_FAILED,

			9: ADAPTER_PRIVATE_QC3,

			10: ADAPTER_PRIVATE_PD,

			11: ADAPTER_CAR_POWER,

			12: ADAPTER_PRIVATE_PD_40W,

			13: ADAPTER_VOICE_BOX,

			14: ADAPTER_PRIVATE_PD_50W.

drivers/power/supply/power_supply_sysfs.c

+1 −0
Original line number Diff line number Diff line
@@ -211,6 +211,7 @@ 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 *

include/linux/power_supply.h

+19 −0
Original line number Diff line number Diff line
@@ -171,6 +171,7 @@ 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 {
@@ -215,6 +216,24 @@ enum power_supply_quick_charge_type { 
	QUICK_CHARGE_MAX,

};



enum power_supply_tx_adapter_type {

	ADAPTER_NONE = 0,			/* Nothing Attached */

	ADAPTER_SDP,				/* Standard Downstream Port */

	ADAPTER_CDP,				/* Charging Downstream Port */

	ADAPTER_DCP,				/* Dedicated Charging Port */

	ADAPTER_OCP,				/* Other Charging Port */

	ADAPTER_QC2,				/* Qualcomm Charge 2.0 */

	ADAPTER_QC3,				/* Qualcomm Charge 3.0 */

	ADAPTER_PD,				/* Power Delivery Port */

	ADAPTER_AUTH_FAILED,			/* Authenticated Failed Adapter */

	ADAPTER_PRIVATE_QC3,			/* Qualcomm Charge 3.0 with Private Protocol */

	ADAPTER_PRIVATE_PD,			/* PD Adapter with Private Protocol */

	ADAPTER_CAR_POWER,			/* Wireless Car Charger */

	ADAPTER_PRIVATE_PD_40W,			/* 40W PD Adapter with Private Protocol */

	ADAPTER_VOICE_BOX,			/* Voice Box which Support Wireless Charger */

	ADAPTER_PRIVATE_PD_50W,			/* 50W PD Adapter with Private Protocol */

};



enum power_supply_notifier_events {

	PSY_EVENT_PROP_CHANGED,

};