Merge git://git.infradead.org/battery-2.6

* git://git.infradead.org/battery-2.6:
  power_supply: Sharp SL-6000 (tosa) batteries support
  power_supply: fix up CHARGE_COUNTER output to be more precise
  power_supply: add CHARGE_COUNTER property and olpc_battery support for it
  power_supply: bump EC version check that we refuse to run with in olpc_battery
  power_supply: cleanup of the OLPC battery driver
  power_supply: add eeprom dump file to olpc_battery's sysfs
  power_supply: Support serial number in olpc_battery

1 files changed, 4 insertions, 0 deletions

diff --git a/Documentation/power/power_supply_class.txt b/Documentation/power/power_supply_class.txt
index a8686e5a6857..c6cd4956047c 100644
--- a/Documentation/power/power_supply_class.txt
+++ b/Documentation/power/power_supply_class.txt
@@ -101,6 +101,10 @@ of charge when battery became full/empty". It also could mean "value of
 charge when battery considered full/empty at given conditions (temperature,
 age)". I.e. these attributes represents real thresholds, not design values.
 
+CHARGE_COUNTER - the current charge counter (in µAh).  This could easily
+be negative; there is no empty or full value.  It is only useful for
+relative, time-based measurements.
+
 ENERGY_FULL, ENERGY_EMPTY - same as above but for energy.
 
 CAPACITY - capacity in percents.