diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-power')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-power | 87 |
1 files changed, 80 insertions, 7 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 45180b62d426..87a058e14e7e 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -407,10 +407,30 @@ Description: Access: Read, Write + Reading this returns the current active value, e.g. 'Standard'. + Check charge_types to get the values supported by the battery. + Valid values: "Unknown", "N/A", "Trickle", "Fast", "Standard", "Adaptive", "Custom", "Long Life", "Bypass" +What: /sys/class/power_supply/<supply_name>/charge_types +Date: December 2024 +Contact: linux-pm@vger.kernel.org +Description: + Identical to charge_type but reading returns a list of supported + charge-types with the currently active type surrounded by square + brackets, e.g.: "Fast [Standard] Long_Life". + + power_supply class devices may support both charge_type and + charge_types for backward compatibility. In this case both will + always have the same active value and the active value can be + changed by writing either property. + + Note charge-types which contain a space such as "Long Life" will + have the space replaced by a '_' resulting in e.g. "Long_Life". + When writing charge-types both variants are accepted. + What: /sys/class/power_supply/<supply_name>/charge_term_current Date: July 2014 Contact: linux-pm@vger.kernel.org @@ -433,10 +453,10 @@ Description: Valid values: "Unknown", "Good", "Overheat", "Dead", - "Over voltage", "Unspecified failure", "Cold", + "Over voltage", "Under voltage", "Unspecified failure", "Cold", "Watchdog timer expire", "Safety timer expire", "Over current", "Calibration required", "Warm", - "Cool", "Hot", "No battery" + "Cool", "Hot", "No battery", "Blown fuse", "Cell imbalance" What: /sys/class/power_supply/<supply_name>/precharge_current Date: June 2017 @@ -488,11 +508,12 @@ Description: Access: Read, Write Valid values: - ================ ==================================== - auto: Charge normally, respect thresholds - inhibit-charge: Do not charge while AC is attached - force-discharge: Force discharge while AC is attached - ================ ==================================== + ===================== ======================================== + auto: Charge normally, respect thresholds + inhibit-charge: Do not charge while AC is attached + inhibit-charge-awake: inhibit-charge only when device is awake + force-discharge: Force discharge while AC is attached + ===================== ======================================== What: /sys/class/power_supply/<supply_name>/technology Date: May 2007 @@ -793,3 +814,55 @@ Description: Access: Read Valid values: 1-31 + +What: /sys/class/power_supply/<supply_name>/extensions/<extension_name> +Date: March 2025 +Contact: linux-pm@vger.kernel.org +Description: + Reports the extensions registered to the power supply. + Each entry is a link to the device which registered the extension. + + Access: Read + +What: /sys/class/power_supply/max8971-charger/fast_charge_timer +Date: May 2025 +KernelVersion: 6.15.0 +Contact: Svyatoslav Ryhel <clamor95@gmail.com> +Description: + This entry shows and sets the maximum time the max8971 + charger operates in fast-charge mode. When the timer expires + the device will terminate fast-charge mode (charging current + will drop to 0 A) and will trigger interrupt. + + Valid values: + + - 4 - 10 (hours), step by 1 + - 0: disabled. + +What: /sys/class/power_supply/max8971-charger/top_off_threshold_current +Date: May 2025 +KernelVersion: 6.15.0 +Contact: Svyatoslav Ryhel <clamor95@gmail.com> +Description: + This entry shows and sets the charging current threshold for + entering top-off charging mode. When charging current in fast + charge mode drops below this value, the charger will trigger + interrupt and start top-off charging mode. + + Valid values: + + - 50000 - 200000 (microamps), step by 50000 (rounded down) + +What: /sys/class/power_supply/max8971-charger/top_off_timer +Date: May 2025 +KernelVersion: 6.15.0 +Contact: Svyatoslav Ryhel <clamor95@gmail.com> +Description: + This entry shows and sets the maximum time the max8971 + charger operates in top-off charge mode. When the timer expires + the device will terminate top-off charge mode (charging current + will drop to 0 A) and will trigger interrupt. + + Valid values: + + - 0 - 70 (minutes), step by 10 (rounded down) |