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Subject[PATCH] max17042_battery: add support for battery STATUS and CHARGE_TYPE
Date
This patch adds the support to report the battery power supply attributes
STATUS and CHARGE_TYPE. This patch makes use of power_supply_get_external_attr()
API to get these attributes through power supply core.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
---
drivers/power/max17042_battery.c | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/drivers/power/max17042_battery.c b/drivers/power/max17042_battery.c
index 74abc6c..56131f8 100644
--- a/drivers/power/max17042_battery.c
+++ b/drivers/power/max17042_battery.c
@@ -105,6 +105,8 @@ static void max17042_set_reg(struct i2c_client *client,

static enum power_supply_property max17042_battery_props[] = {
POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_CHARGE_TYPE,
POWER_SUPPLY_PROP_CYCLE_COUNT,
POWER_SUPPLY_PROP_VOLTAGE_MAX,
POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
@@ -125,12 +127,29 @@ static int max17042_get_property(struct power_supply *psy,
{
struct max17042_chip *chip = container_of(psy,
struct max17042_chip, battery);
+ struct power_supply_attr_query query;
int ret;

if (!chip->init_complete)
return -EAGAIN;

+ memset(&query, 0x0, sizeof(query));
+ query.property = psp;
+ query.type = POWER_SUPPLY_TYPE_BATTERY;
+
switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ ret = power_supply_get_external_attr(&query);
+ if (ret < 0)
+ return ret;
+ val->intval = query.res.intval;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_TYPE:
+ ret = power_supply_get_external_attr(&query);
+ if (ret < 0)
+ return ret;
+ val->intval = query.res.intval;
+ break;
case POWER_SUPPLY_PROP_PRESENT:
ret = max17042_read_reg(chip->client, MAX17042_STATUS);
if (ret < 0)
--
1.7.0.4


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