Commit ef1ca210 authored by Marek Vasut's avatar Marek Vasut Committed by Sebastian Reichel
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power: supply: bq25890: Document POWER_SUPPLY_PROP_CURRENT_NOW 



Document that POWER_SUPPLY_PROP_CURRENT_NOW really does refer to ADC-sampled
immediate battery charge current I_BAT , since the meaning is not clear with
all the currents which might be measured by charger chips.

Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMarek Vasut <marex@denx.de>
Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
parent 03b33d4a

drivers/power/supply/bq25890_charger.c

+8 −1
Original line number Diff line number Diff line
@@ -588,7 +588,14 @@ static int bq25890_power_supply_get_property(struct power_supply *psy, 
		val->intval = 2304000 + ret * 20000;

		break;



	case POWER_SUPPLY_PROP_CURRENT_NOW:

	case POWER_SUPPLY_PROP_CURRENT_NOW:	/* I_BAT now */

		/*

		 * This is ADC-sampled immediate charge current supplied

		 * from charger to battery. The property name is confusing,

		 * for clarification refer to:

		 * Documentation/ABI/testing/sysfs-class-power

		 * /sys/class/power_supply/<supply_name>/current_now

		 */

		ret = bq25890_field_read(bq, F_ICHGR); /* read measured value */

		if (ret < 0)

			return ret;