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Documentation: power: max77693-charger: Document exported sysfs entry 

Document the settings exported by max77693 charger driver through sysfs
entries:
 - fast_charge_timer
 - top_off_threshold_current
 - top_off_timer

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2015-01-20 11:00:55 +01:00 committed by Sebastian Reichel
parent 87c2d90678
commit 6b23becddb
1 changed files with 42 additions and 0 deletions
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@ -32,3 +32,45 @@ Description:
Valid values:
- 5, 6 or 7 (hours),
- 0: disabled.
What: /sys/class/power_supply/max77693-charger/device/fast_charge_timer
Date: January 2015
KernelVersion: 3.19.0
Contact: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Description:
This entry shows and sets the maximum time the max77693
charger operates in fast-charge mode. When the timer expires
the device will terminate fast-charge mode (charging current
will drop to 0 A) and will trigger interrupt.
Valid values:
- 4 - 16 (hours), step by 2 (rounded down)
- 0: disabled.
What: /sys/class/power_supply/max77693-charger/device/top_off_threshold_current
Date: January 2015
KernelVersion: 3.19.0
Contact: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Description:
This entry shows and sets the charging current threshold for
entering top-off charging mode. When charging current in fast
charge mode drops below this value, the charger will trigger
interrupt and start top-off charging mode.
Valid values:
- 100000 - 200000 (microamps), step by 25000 (rounded down)
- 200000 - 350000 (microamps), step by 50000 (rounded down)
- 0: disabled.
What: /sys/class/power_supply/max77693-charger/device/top_off_timer
Date: January 2015
KernelVersion: 3.19.0
Contact: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Description:
This entry shows and sets the maximum time the max77693
charger operates in top-off charge mode. When the timer expires
the device will terminate top-off charge mode (charging current
will drop to 0 A) and will trigger interrupt.
Valid values:
- 0 - 70 (minutes), step by 10 (rounded down)