Commit d7d15fc6 authored by Hans de Goede's avatar Hans de Goede Committed by Sebastian Reichel
Browse files

power: supply: max17042_battery: mAh readings depend on r_sns value 



The PROP_CHARGE_FULL code was hardcoded for the default sense
resistor of 0.010 Ohm, make it use r_sns which contains the
actual sense resistor value in micro-Ohms instead.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.co.uk>
parent 7bfc9397

drivers/power/supply/max17042_battery.c

+4 −1
Original line number Diff line number Diff line
@@ -220,6 +220,7 @@ static int max17042_get_property(struct power_supply *psy, 
	struct regmap *map = chip->regmap;

	int ret;

	u32 data;

	u64 data64;



	if (!chip->init_complete)

		return -EAGAIN;
@@ -309,7 +310,9 @@ static int max17042_get_property(struct power_supply *psy, 
		if (ret < 0)

			return ret;



		val->intval = data * 1000 / 2;

		data64 = data * 5000000ll;

		do_div(data64, chip->pdata->r_sns);

		val->intval = data64;

		break;

	case POWER_SUPPLY_PROP_CHARGE_COUNTER:

		ret = regmap_read(map, MAX17042_QH, &data);

CRA Git | Maintained and supported by SUSTech CRA and CCSE