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power: supply: bq27xxx: fix polarity of current_now

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current_now has to be negative during discharging and positive during
charging, the behavior seen is the other way round.

Tested on GTA04 with Openmoko battery.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Andreas Kemnade 2020-12-04 15:49:50 +01:00 committed by Sebastian Reichel
parent 95b78d5370
commit cd060b4d08
1 changed files with 2 additions and 2 deletions
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4
drivers/power/supply/bq27xxx_battery.c
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@ -1819,7 +1819,7 @@ static int bq27xxx_battery_current(struct bq27xxx_device_info *di,
if (di->opts & BQ27XXX_O_ZERO) {
flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, true);
if (flags & BQ27000_FLAG_CHGS) {
if (!(flags & BQ27000_FLAG_CHGS)) {
dev_dbg(di->dev, "negative current!\n");
curr = -curr;
}
@ -1827,7 +1827,7 @@ static int bq27xxx_battery_current(struct bq27xxx_device_info *di,
val->intval = curr * BQ27XXX_CURRENT_CONSTANT / BQ27XXX_RS;
} else {
/* Other gauges return signed value */
val->intval = (int)((s16)curr) * 1000;
val->intval = -(int)((s16)curr) * 1000;
}
return 0;