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power: supply: bq27xxx: support missing supplier device

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power_supply_am_i_supplied() can return negative error
codes. In this case we should assume, that no charger
is connected and the battery should be marked as
DISCHARGING instead of NOT_CHARGING.

Reported-by: Merlijn Wajer <merlijn@wizzup.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
This commit is contained in:
Sebastian Reichel 2018-02-15 21:28:40 +01:00 committed by Sebastian Reichel
parent 66ec32fc7c
commit f72c14ad8c
1 changed files with 1 additions and 1 deletions
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2
drivers/power/supply/bq27xxx_battery.c
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@ -1670,7 +1670,7 @@ static int bq27xxx_battery_status(struct bq27xxx_device_info *di,
status = POWER_SUPPLY_STATUS_FULL;
else if (di->cache.flags & BQ27000_FLAG_CHGS)
status = POWER_SUPPLY_STATUS_CHARGING;
else if (power_supply_am_i_supplied(di->bat))
else if (power_supply_am_i_supplied(di->bat) > 0)
status = POWER_SUPPLY_STATUS_NOT_CHARGING;
else
status = POWER_SUPPLY_STATUS_DISCHARGING;