diff options
| author | Fenglin Wu <fenglin.wu@oss.qualcomm.com> | 2025-09-17 18:15:14 +0800 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2025-09-18 01:01:03 +0200 |
| commit | d69ae81efbc95c94a2760fc82d27cdab4c26fe76 (patch) | |
| tree | 043b46c5a013c994036000b73f158af1e8634964 /Documentation/ABI | |
| parent | 1bafaa156ed3881cd4f187ab1c43e408742e1f11 (diff) | |
power: supply: core: Add resistance power supply property
Some battery drivers provide the ability to export internal resistance
as a parameter. Add internal_resistance power supply property for that
purpose.
Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-power | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 87a058e14e7e..e6cce423c632 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -553,6 +553,22 @@ Description: Integer > 0: representing full cycles Integer = 0: cycle_count info is not available +What: /sys/class/power_supply/<supply_name>/internal_resistance +Date: August 2025 +Contact: linux-arm-msm@vger.kernel.org +Description: + Represent the battery's internal resistance, often referred + to as Equivalent Series Resistance (ESR). It is a dynamic + parameter that reflects the opposition to current flow within + the cell. It is not a fixed value but varies significantly + based on several operational conditions, including battery + state of charge (SoC), temperature, and whether the battery + is in a charging or discharging state. + + Access: Read + + Valid values: Represented in microohms + **USB Properties** What: /sys/class/power_supply/<supply_name>/input_current_limit |