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-rw-r--r--drivers/power/wm8350_power.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/power/wm8350_power.c b/drivers/power/wm8350_power.c
index 74e7593beffb..1b16bf343f2f 100644
--- a/drivers/power/wm8350_power.c
+++ b/drivers/power/wm8350_power.c
@@ -190,22 +190,18 @@ static void wm8350_charger_handler(struct wm8350 *wm8350, int irq, void *data)
struct wm8350_charger_policy *policy = power->policy;
switch (irq) {
- case WM8350_IRQ_CHG_BAT_HOT:
- dev_err(wm8350->dev, "battery too hot\n");
- break;
- case WM8350_IRQ_CHG_BAT_COLD:
- dev_err(wm8350->dev, "battery too cold\n");
- break;
case WM8350_IRQ_CHG_BAT_FAIL:
dev_err(wm8350->dev, "battery failed\n");
break;
case WM8350_IRQ_CHG_TO:
dev_err(wm8350->dev, "charger timeout\n");
- break;
- case WM8350_IRQ_CHG_END:
power_supply_changed(&power->battery);
break;
+
+ case WM8350_IRQ_CHG_BAT_HOT:
+ case WM8350_IRQ_CHG_BAT_COLD:
case WM8350_IRQ_CHG_START:
+ case WM8350_IRQ_CHG_END:
power_supply_changed(&power->battery);
break;
@@ -308,6 +304,23 @@ static enum power_supply_property wm8350_usb_props[] = {
* Battery properties
*********************************************************************/
+static int wm8350_bat_check_health(struct wm8350 *wm8350)
+{
+ u16 reg;
+
+ if (wm8350_read_battery_uvolts(wm8350) < 2850000)
+ return POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
+
+ reg = wm8350_reg_read(wm8350, WM8350_CHARGER_OVERRIDES);
+ if (reg & WM8350_CHG_BATT_HOT_OVRDE)
+ return POWER_SUPPLY_HEALTH_OVERHEAT;
+
+ if (reg & WM8350_CHG_BATT_COLD_OVRDE)
+ return POWER_SUPPLY_HEALTH_COLD;
+
+ return POWER_SUPPLY_HEALTH_GOOD;
+}
+
static int wm8350_bat_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
@@ -326,6 +339,9 @@ static int wm8350_bat_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
val->intval = wm8350_read_battery_uvolts(wm8350);
break;
+ case POWER_SUPPLY_PROP_HEALTH:
+ val->intval = wm8350_bat_check_health(wm8350);
+ break;
default:
ret = -EINVAL;
break;
@@ -338,6 +354,7 @@ static enum power_supply_property wm8350_bat_props[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_HEALTH,
};
/*********************************************************************