wm8350_power: Implement charge type property

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/power/wm8350_power.c b/drivers/power/wm8350_power.c
index 1b16bf343f2f..28b0299c0043 100644
--- a/drivers/power/wm8350_power.c
+++ b/drivers/power/wm8350_power.c
@@ -321,6 +321,24 @@ static int wm8350_bat_check_health(struct wm8350 *wm8350)
         return POWER_SUPPLY_HEALTH_GOOD;
 }
 
+static int wm8350_bat_get_charge_type(struct wm8350 *wm8350)
+{
+        int state;
+
+        state = wm8350_reg_read(wm8350, WM8350_BATTERY_CHARGER_CONTROL_2) &
+            WM8350_CHG_STS_MASK;
+        switch (state) {
+        case WM8350_CHG_STS_OFF:
+                return POWER_SUPPLY_CHARGE_TYPE_NONE;
+        case WM8350_CHG_STS_TRICKLE:
+                return POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
+        case WM8350_CHG_STS_FAST:
+                return POWER_SUPPLY_CHARGE_TYPE_FAST;
+        default:
+                return POWER_SUPPLY_CHARGE_TYPE_UNKNOWN;
+        }
+}
+
 static int wm8350_bat_get_property(struct power_supply *psy,
                                    enum power_supply_property psp,
                                    union power_supply_propval *val)
@@ -342,6 +360,9 @@ static int wm8350_bat_get_property(struct power_supply *psy,
         case POWER_SUPPLY_PROP_HEALTH:
                 val->intval = wm8350_bat_check_health(wm8350);
                 break;
+        case POWER_SUPPLY_PROP_CHARGE_TYPE:
+                val->intval = wm8350_bat_get_charge_type(wm8350);
+                break;
         default:
                 ret = -EINVAL;
                 break;
@@ -355,6 +376,7 @@ static enum power_supply_property wm8350_bat_props[] = {
         POWER_SUPPLY_PROP_ONLINE,
         POWER_SUPPLY_PROP_VOLTAGE_NOW,
         POWER_SUPPLY_PROP_HEALTH,
+        POWER_SUPPLY_PROP_CHARGE_TYPE,
 };
 
 /*********************************************************************