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charger-manager: Provide cm_notify_event function for in-kernel use

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By using cm_notify_event function, charger driver can report several
charger events (e.g. battery full and external power in/out, etc) to
Charger-Manager. Charger-Manager can properly and immediately control
chargers by the reported event.

Signed-off-by: MyungJoo Ham <[email protected]>
Signed-off-by: Donggeun Kim <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Signed-off-by: Anton Vorontsov <[email protected]>
This commit is contained in:
Chanwoo Choi 2012-05-05 06:26:47 -07:00 • committed by Anton Vorontsov
commit dfeccb12b4
3 changed files with 195 additions and 9 deletions
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16
Documentation/power/charger-manager.txt
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@ -50,6 +50,10 @@ Charger Manager supports the following:
restarts charging. This check is also performed while suspended by
setting wakeup time accordingly and using suspend_again.
* Support for uevent-notify
With the charger-related events, the device sends
notification to users with UEVENT.
2. Global Charger-Manager Data related with suspend_again
========================================================
In order to setup Charger Manager with suspend-again feature
@ -174,7 +178,17 @@ bool measure_battery_temp;
the value of measure_battery_temp.
};
5. Other Considerations
5. Notify Charger-Manager of charger events: cm_notify_event()
=========================================================
If there is an charger event is required to notify
Charger Manager, a charger device driver that triggers the event can call
cm_notify_event(psy, type, msg) to notify the corresponding Charger Manager.
In the function, psy is the charger driver's power_supply pointer, which is
associated with Charger-Manager. The parameter "type"
is the same as irq's type (enum cm_event_types). The event message "msg" is
optional and is effective only if the event type is "UNDESCRIBED" or "OTHERS".
6. Other Considerations
=======================
At the charger/battery-related events such as battery-pulled-out,