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| author | Chanwoo Choi <cw00.choi@samsung.com> | 2012-05-05 15:26:47 +0200 |
|---|---|---|
| committer | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-05-06 04:51:58 +0200 |
| commit | dfeccb12b4614befc49a92eb121c2211294ca669 (patch) | |
| tree | 90098ac099d9915af3e941a4d6012507dc10a8df /Documentation/power/charger-manager.txt | |
| parent | charger-manager: Poll battery health in normal state (diff) | |
| download | linux-dfeccb12b4614befc49a92eb121c2211294ca669.tar.xz linux-dfeccb12b4614befc49a92eb121c2211294ca669.zip | |
charger-manager: Provide cm_notify_event function for in-kernel use
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 <myungjoo.ham@samsung.com>
Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Diffstat (limited to 'Documentation/power/charger-manager.txt')
| -rw-r--r-- | Documentation/power/charger-manager.txt | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/Documentation/power/charger-manager.txt b/Documentation/power/charger-manager.txt index 9b3863386e54..b4f7f4b23f64 100644 --- a/Documentation/power/charger-manager.txt +++ b/Documentation/power/charger-manager.txt @@ -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, |