[RFC PATCH 5/5] power: generic-adc-battery: Add capacity handling

[Marek Belisko]

From: Marek Belisko <marek.beli...@gmail.com>

Signed-off-by: Marek Belisko <marek.beli...@gmail.com>
---
 drivers/power/supply/generic-adc-battery.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/power/supply/generic-adc-battery.c 
b/drivers/power/supply/generic-adc-battery.c
index 0d27b59..9ce51d2 100644
--- a/drivers/power/supply/generic-adc-battery.c
+++ b/drivers/power/supply/generic-adc-battery.c
@@ -24,6 +24,7 @@
 #include <linux/iio/types.h>
 #include <linux/power/generic-adc-battery.h>
 #include <linux/of_gpio.h>
+#include <linux/power/generic-fuel-gauge.h>
 
 #define JITTER_DEFAULT 10 /* hope 10ms is enough */
 
@@ -81,6 +82,7 @@ static const enum power_supply_property gab_props[] = {
        POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
        POWER_SUPPLY_PROP_MODEL_NAME,
        POWER_SUPPLY_PROP_TEMP,
+       POWER_SUPPLY_PROP_CAPACITY,
 };
 
 /*
@@ -202,6 +204,18 @@ static int gab_get_property(struct power_supply *psy,
        case POWER_SUPPLY_PROP_MODEL_NAME:
                val->strval = bat_info->name;
                break;
+       case POWER_SUPPLY_PROP_CAPACITY:
+               {
+               int ret, curr, voltage;
+
+               ret = read_channel(adc_bat, POWER_SUPPLY_PROP_CURRENT_NOW, 
&curr);
+               ret |= read_channel(adc_bat, POWER_SUPPLY_PROP_VOLTAGE_NOW, 
&voltage);
+               if (ret < 0)
+                       goto err;
+
+               val->intval = fuel_level_LiIon(voltage, curr, 10);
+               }
+               break;
        default:
                return -EINVAL;
        }
-- 
2.7.4