Messages in this thread Patch in this message | | | From | Qiwu Huang <> | Subject | [PATCH v3 5/5] power: supply: core: supply battery soc with decimal form | Date | Wed, 15 Jul 2020 08:35:23 +0800 |
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From: Qiwu Huang <huangqiwu@xiaomi.com>
Broadcast battery soc with decimal form. soc_decimal is the decimal part of battery soc. soc_decimal_rate is update frequency of decimal part of battery soc. We want to report such as 0.01 to 99.99% to user space to improve user experience when do very quick charging.
Signed-off-by: Qiwu Huang <huangqiwu@xiaomi.com> --- Documentation/ABI/testing/sysfs-class-power | 25 +++++++++++++++++++++ drivers/power/supply/power_supply_sysfs.c | 2 ++ include/linux/power_supply.h | 2 ++ 3 files changed, 29 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 54647d6995d3..5e0bba3e1930 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -349,6 +349,31 @@ Description: Access: Read Valid values: Represented in microvolts +What: /sys/class/power_supply/<supply_name>/soc_decimal, +Date: Jul 2020 +Contact: jiangfei1@xiaomi.com +Description: + Broadcast battery soc with decimal form.Battery soc(0 - 100 percent) + is fine grain representation of battery capacity. + soc_decimal is the start decimal part of battery soc. + For example, soc_decimal value is 30 for 80.30%. + + Access: Read + Valid values: 0 - 99 + +What: /sys/class/power_supply/<supply_name>/soc_decimal_rate, +Date: Jul 2020 +Contact: jiangfei1@xiaomi.com +Description: + Broadcast battery soc with decimal form.Battery soc(0 - 100 percent) + is fine grain representation of battery capacity. + soc_decimal_rate is update rate for decimal part of battery soc. + The value is depend on charging power. Soc decimal change faster + with larger charging power. + + Access: Read + Valid values: 1 - 100 + ===== USB Properties ===== What: /sys/class/power_supply/<supply_name>/current_avg diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index 81916b6b6ccf..a837addb4f21 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -210,6 +210,8 @@ static struct power_supply_attr power_supply_attrs[] = { POWER_SUPPLY_ATTR(TX_ADAPTER), POWER_SUPPLY_ATTR(SIGNAL_STRENGTH), POWER_SUPPLY_ATTR(REVERSE_CHG_MODE), + POWER_SUPPLY_ATTR(SOC_DECIMAL), + POWER_SUPPLY_ATTR(SOC_DECIMAL_RATE), }; static struct attribute * diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index a87ae1fff8d1..71e7c8010bde 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -171,6 +171,8 @@ enum power_supply_property { POWER_SUPPLY_PROP_TX_ADAPTER, POWER_SUPPLY_PROP_SIGNAL_STRENGTH, POWER_SUPPLY_PROP_REVERSE_CHG_MODE, + POWER_SUPPLY_PROP_SOC_DECIMAL, + POWER_SUPPLY_PROP_SOC_DECIMAL_RATE, }; enum power_supply_type { -- 2.27.0
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