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-rw-r--r--Documentation/power_supply_class.txt6
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/power_supply_class.txt b/Documentation/power_supply_class.txt
index 9758cf433c0..a8686e5a685 100644
--- a/Documentation/power_supply_class.txt
+++ b/Documentation/power_supply_class.txt
@@ -87,6 +87,10 @@ batteries use voltage for very approximated calculation of capacity.
Battery driver also can use this attribute just to inform userspace
about maximal and minimal voltage thresholds of a given battery.
+VOLTAGE_MAX, VOLTAGE_MIN - same as _DESIGN voltage values except that
+these ones should be used if hardware could only guess (measure and
+retain) the thresholds of a given power supply.
+
CHARGE_FULL_DESIGN, CHARGE_EMPTY_DESIGN - design charge values, when
battery considered full/empty.
@@ -100,8 +104,6 @@ age)". I.e. these attributes represents real thresholds, not design values.
ENERGY_FULL, ENERGY_EMPTY - same as above but for energy.
CAPACITY - capacity in percents.
-CAPACITY_LEVEL - capacity level. This corresponds to
-POWER_SUPPLY_CAPACITY_LEVEL_*.
TEMP - temperature of the power supply.
TEMP_AMBIENT - ambient temperature.