Commit 3a28f203 authored Jan 15, 2019 by Baolin Wang Committed by Sebastian Reichel Jan 23, 2019

power: supply: sc27xx: Fix the incorrect formula when converting capacity to coulomb counter

We should multiply the calibrated current data (cur_1000ma_adc) when
converting current capacity (mAh) to coulomb counter, which can get
an accurate coulomb counter from the fuel gauge controller.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

parent 0a4f97a1

drivers/power/supply/sc27xx_fuel_gauge.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -731,7 +731,7 @@ static int sc27xx_fgu_cap_to_clbcnt(struct sc27xx_fgu_data *data, int capacity)
		* Convert current capacity (mAh) to coulomb counter according to the
		* formula: 1 mAh =3.6 coulomb.
		*/
		return DIV_ROUND_CLOSEST(cur_cap * 36, 10);
		return DIV_ROUND_CLOSEST(cur_cap * 36 * data->cur_1000ma_adc, 10);
		}

		static int sc27xx_fgu_calibration(struct sc27xx_fgu_data *data)