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

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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: Qiwu Huang <huangqiwu@xiaomi.com>
Link: https://lore.kernel.org/lkml/b57461ee3d3fe4b3ad7462e251506e83bdb13887.1598349907.git.huangqiwu@xiaomi.com/
Change-Id: I1b10ec74019dc36305dcb24cd1db9e2b8bb9b721
This commit is contained in:
Qiwu Huang 2020-07-13 09:23:14 +08:00 • committed by Greg Kroah-Hartman
commit 2d759be267
3 changed files with 48 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

28
Documentation/ABI/testing/sysfs-class-power
View file

@ -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.

1
drivers/power/supply/power_supply_sysfs.c
View file

@ -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 *

19
include/linux/power_supply.h
View file

@ -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,
};