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-rw-r--r--Documentation/ABI/testing/sysfs-class-power6
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index 651599fb18f8..dbccb2fcd7ce 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -108,7 +108,8 @@ Description:
which they average readings to smooth out the reported value.
Access: Read
- Valid values: Represented in microamps
+ Valid values: Represented in microamps. Negative values are used
+ for discharging batteries, positive values for charging batteries.
What: /sys/class/power_supply/<supply_name>/current_max
Date: October 2010
@@ -127,7 +128,8 @@ Description:
This value is not averaged/smoothed.
Access: Read
- Valid values: Represented in microamps
+ Valid values: Represented in microamps. Negative values are used
+ for discharging batteries, positive values for charging batteries.
What: /sys/class/power_supply/<supply_name>/charge_control_limit
Date: Oct 2012