Messages in this thread Patch in this message | | | From | Qiwu Huang <> | Subject | [PATCH 3/5] power: supply: core: add wireless signal strength property | Date | Fri, 10 Jul 2020 16:48:39 +0800 |
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From: Qiwu Huang <huangqiwu@xiaomi.com>
reports wireless signal strength. The value show degree of coupling between tx and rx.
Signed-off-by: Qiwu Huang <huangqiwu@xiaomi.com> --- Documentation/ABI/testing/sysfs-class-power | 9 ++++++++- drivers/power/supply/power_supply_sysfs.c | 1 + include/linux/power_supply.h | 1 + 3 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 2099cf194a89..1f42aa0c071e 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -730,4 +730,11 @@ Description: Access: Read-Only Valid values: "ADAPTER_NONE", "ADAPTER_SDP", "ADAPTER_DCP", "ADAPTER_CDP", - "ADAPTER_QC2", "ADAPTER_QC3", "ADAPTER_PD" or other private adapter. \ No newline at end of file + "ADAPTER_QC2", "ADAPTER_QC3", "ADAPTER_PD" or other private adapter. + +What: /sys/class/power_supply/<supply_name>/signal_strength +Date: Jul 2020 +Contact: Fei Jiang <jiangfei1@xiaomi.com> +Description: + Reports wireless signal strength. + The value show degree of coupling. \ No newline at end of file diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index c864a14829ec..42fbe1b68255 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -208,6 +208,7 @@ static struct power_supply_attr power_supply_attrs[] = { POWER_SUPPLY_ATTR(SERIAL_NUMBER), POWER_SUPPLY_ATTR(quick_charge_type), POWER_SUPPLY_ATTR(tx_adapter), + POWER_SUPPLY_ATTR(signal_strength), }; static struct attribute * diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 2de9a4c93723..397fb8e96b03 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -169,6 +169,7 @@ enum power_supply_property { POWER_SUPPLY_PROP_SERIAL_NUMBER, POWER_SUPPLY_PROP_QUICK_CHARGE_TYPE, POWER_SUPPLY_PROP_TX_ADAPTER, + POWER_SUPPLY_PROP_SIGNAL_STRENGTH, }; enum power_supply_type { -- 2.26.0
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