power: supply: max17047_battery: The temp alert values are 8-bit 2's complement (2814913c) · Commits · 戴 / test

The temp alert values are 8-bit 2's complement, so sign-extend them before reporting them back to the caller. Signed-off-by:

drivers/power/supply/max17042_battery.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -270,14 +270,14 @@ static int max17042_get_property(struct power_supply *psy,
		if (ret < 0)
		return ret;
		/* LSB is Alert Minimum. In deci-centigrade */
		val->intval = (data & 0xff) * 10;
		val->intval = sign_extend32(data & 0xff, 7) * 10;
		break;
		case POWER_SUPPLY_PROP_TEMP_ALERT_MAX:
		ret = regmap_read(map, MAX17042_TALRT_Th, &data);
		if (ret < 0)
		return ret;
		/* MSB is Alert Maximum. In deci-centigrade */
		val->intval = (data >> 8) * 10;
		val->intval = sign_extend32(data >> 8, 7) * 10;
		break;
		case POWER_SUPPLY_PROP_TEMP_MIN:
		val->intval = chip->pdata->temp_min;