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 [thread overview]
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
next prev parent reply other threads:[~2020-07-20 5:49 UTC|newest]
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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