diff options
Diffstat (limited to 'drivers/power/wm8350_power.c')
| -rw-r--r-- | drivers/power/wm8350_power.c | 33 |
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, }; /********************************************************************* |