From cd060b4d0868c806c2738a5e64e8ab9bd0fbec07 Mon Sep 17 00:00:00 2001 From: Andreas Kemnade Date: Fri, 4 Dec 2020 15:49:50 +0100 Subject: [PATCH] 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: Andreas Kemnade Signed-off-by: Sebastian Reichel --- drivers/power/supply/bq27xxx_battery.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 774aa376653e..4c4a7b1c64c5 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -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;