From: Ramakrishna Pallala Date: Mon, 7 May 2012 04:55:58 +0000 (+0530) Subject: max17042_battery: Support CHARGE_COUNTER power supply attribute X-Git-Tag: firefly_0821_release~3680^2~2287^2~18 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5fc55bc8225d5a5c13b978e3e3dbf51e6cd6a333;p=firefly-linux-kernel-4.4.55.git max17042_battery: Support CHARGE_COUNTER power supply attribute This patch adds the support for CHARGE_COUNTER power supply attribute to max17042/47 driver. Note:QH(Charge Counter) register is not documented in max17042 the Spec. Signed-off-by: Ramakrishna Pallala Signed-off-by: Anton Vorontsov --- diff --git a/drivers/power/max17042_battery.c b/drivers/power/max17042_battery.c index 140788b309f8..74abc6c755b4 100644 --- a/drivers/power/max17042_battery.c +++ b/drivers/power/max17042_battery.c @@ -113,6 +113,7 @@ static enum power_supply_property max17042_battery_props[] = { POWER_SUPPLY_PROP_VOLTAGE_OCV, POWER_SUPPLY_PROP_CAPACITY, POWER_SUPPLY_PROP_CHARGE_FULL, + POWER_SUPPLY_PROP_CHARGE_COUNTER, POWER_SUPPLY_PROP_TEMP, POWER_SUPPLY_PROP_CURRENT_NOW, POWER_SUPPLY_PROP_CURRENT_AVG, @@ -199,6 +200,13 @@ static int max17042_get_property(struct power_supply *psy, if (ret < 0) return ret; + val->intval = ret * 1000 / 2; + break; + case POWER_SUPPLY_PROP_CHARGE_COUNTER: + ret = max17042_read_reg(chip->client, MAX17042_QH); + if (ret < 0) + return ret; + val->intval = ret * 1000 / 2; break; case POWER_SUPPLY_PROP_TEMP: