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ds2760_battery: Document ABI change 

Add some documentation for the newly added writeable properties.

Suggested-by: Greg KH <gregkh@suse.de>
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
This commit is contained in:
Daniel Mack 2010-05-18 22:26:40 +02:00 committed by Anton Vorontsov
parent bd52ca555e
commit 24af320245
1 changed files with 20 additions and 0 deletions
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Documentation/ABI/testing/sysfs-class-power Normal file
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What: /sys/class/power/ds2760-battery.*/charge_now
Date: May 2010
KernelVersion: 2.6.35
Contact: Daniel Mack <daniel@caiaq.de>
Description:
This file is writeable and can be used to set the current
coloumb counter value inside the battery monitor chip. This
is needed for unavoidable corrections of aging batteries.
A userspace daemon can monitor the battery charging logic
and once the counter drops out of considerable bounds, take
appropriate action.
What: /sys/class/power/ds2760-battery.*/charge_full
Date: May 2010
KernelVersion: 2.6.35
Contact: Daniel Mack <daniel@caiaq.de>
Description:
This file is writeable and can be used to set the assumed
battery 'full level'. As batteries age, this value has to be
amended over time.