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power_supply: Add voltage_ocv property and use it for max17042 driver

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This adds a new sysfs file called 'voltage_ocv' which gives the
Open Circuit Voltage of the battery.

This property can be used for platform shutdown policies and
can be useful for initial capacity estimations.

Note: This patch is generated against linux-next branch.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This commit is contained in:
Ramakrishna Pallala
2012-04-10 16:21:20 +05:30
committed by Anton Vorontsov
parent 48e41c70c1
commit a2ebfe2fc6
4 changed files with 13 additions and 0 deletions
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2
Documentation/power/power_supply_class.txt
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@@ -84,6 +84,8 @@ are already charged or discharging, 'n/a' can be displayed (or
HEALTH - represents health of the battery, values corresponds to
POWER_SUPPLY_HEALTH_*, defined in battery.h.
VOLTAGE_OCV - open circuit voltage of the battery.
VOLTAGE_MAX_DESIGN, VOLTAGE_MIN_DESIGN - design values for maximal and
minimal power supply voltages. Maximal/minimal means values of voltages
when battery considered "full"/"empty" at normal conditions. Yes, there is