fuelgauge: max1704xx: Fix max17042 driver to work properly.

Fixed :
- Read battery capacity from VFG(voltage fuel gauge) for ModelGuage M1.
- Fix error of registering alarm irq to generic irq framework.

Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>

diff --git a/drivers/power/max17042_battery.c b/drivers/power/max17042_battery.c
index d664ef5..ab5324b 100644 (file)
--- a/drivers/power/max17042_battery.c
+++ b/drivers/power/max17042_battery.c
@@ -126,6 +126,7 @@ static int max17042_get_property(struct power_supply *psy,
        struct max17042_chip *chip = container_of(psy,
                                struct max17042_chip, battery);
        int ret;
+       u8 reg;
 
        if (!chip->init_complete)
                return -EAGAIN;
@@ -189,7 +190,12 @@ static int max17042_get_property(struct power_supply *psy,
                val->intval = ret * 625 / 8;
                break;
        case POWER_SUPPLY_PROP_CAPACITY:
-               ret = max17042_read_reg(chip->client, MAX17042_RepSOC);
+               if (chip->pdata->enable_current_sense)
+                       reg = MAX17042_RepSOC;
+               else
+                       reg = MAX17042_VFSOC;           /* SOC from VFG */
+
+               ret = max17042_read_reg(chip->client, reg);
                if (ret < 0)
                        return ret;
 
@@ -751,7 +757,7 @@ static int max17042_probe(struct i2c_client *client,
        if (client->irq) {
                ret = request_threaded_irq(client->irq, NULL,
                                                max17042_thread_handler,
-                                               IRQF_TRIGGER_FALLING,
+                                               IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
                                                chip->battery.name, chip);
                if (!ret) {
                        reg =  max17042_read_reg(client, MAX17042_CONFIG);