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From: Qiwu Huang <yanziily@gmail.com>
To: sre@kernel.org
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	gregkh@linuxfoundation.org, jiangfei1@xiaomi.com,
	Qiwu Huang <huangqiwu@xiaomi.com>
Subject: [PATCH v4 4/4] power: supply: core: property to control reverse charge
Date: Mon, 20 Jul 2020 13:47:17 +0800
Message-ID: <a4569ee18bddc8630317a047b91c55ba22b8d051.1595214246.git.huangqiwu@xiaomi.com> (raw)
In-Reply-To: <cover.1595214246.git.huangqiwu@xiaomi.com>

From: Qiwu Huang <huangqiwu@xiaomi.com>

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

Signed-off-by: Qiwu Huang <huangqiwu@xiaomi.com>
---
 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(+)

diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index 75ec7de2fe78..54647d6995d3 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -767,3 +767,15 @@ Description:
 
 		Access: Read-Only
 		Valid values: 0 - 100
+
+What:		/sys/class/power_supply/<supply_name>/reverse_chg_mode
+Date:		Jul 2020
+Contact:	Fei Jiang <jiangfei1@xiaomi.com>
+Description:
+		Some phones support wireless reverse charge function which charge other phones.
+		The property supply interface to control wireless reverse charge.
+		If enabled, start TX mode and detect RX. Disabled when timeout or manual setting.
+
+		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 346c6c9c0737..a87ae1fff8d1 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 {
-- 
2.27.0


  parent reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-20  5:47 [PATCH v4 0/4] add some power supply properties about wireless/wired charging Qiwu Huang
2020-07-20  5:47 ` [PATCH v4 1/4] power: supply: core: add quick charge type property Qiwu Huang
2020-08-02 12:00   ` Pavel Machek
2020-08-02 12:37     ` Greg KH
2020-08-02 14:28       ` Pavel Machek
2020-08-02 16:57         ` Greg KH
2020-08-03 11:49           ` Sebastian Reichel
2020-08-03 11:56             ` Greg KH
2020-08-04  2:11               ` ivan
2020-08-04  7:49                 ` Greg KH
2020-07-20  5:47 ` [PATCH v4 2/4] power: supply: core: add wireless charger adapter " Qiwu Huang
2020-07-20  5:47 ` [PATCH v4 3/4] power: supply: core: add wireless signal strength property Qiwu Huang
2020-07-20  5:47 ` Qiwu Huang [this message]
2020-07-20  8:21 ` [PATCH v4 0/4] add some power supply properties about wireless/wired charging Greg KH
2020-07-21  3:12   ` ivan

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