Commit cd060b4d authored by Andreas Kemnade's avatar Andreas Kemnade Committed by Sebastian Reichel
Browse files

power: supply: bq27xxx: fix polarity of current_now 



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: default avatarAndreas Kemnade <andreas@kemnade.info>
Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
parent 95b78d53

drivers/power/supply/bq27xxx_battery.c

+2 −2
Original line number Diff line number Diff line
@@ -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;