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ab8500_charger: Handle gpadc errors

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Gracefully handle gpadc conversion errors.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Reviewed-by: Johan BJORNSTEDT <johan.bjornstedt@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This commit is contained in:
Jonas Aaberg 2013-01-11 13:12:53 +00:00 committed by Anton Vorontsov
parent 9a0bd070fd
commit a864c5a869
1 changed files with 18 additions and 4 deletions
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22
drivers/power/ab8500_charger.c
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@ -160,6 +160,7 @@ struct ab8500_charger_info {
int charger_voltage;
int cv_active;
bool wd_expired;
int charger_current;
};
struct ab8500_charger_event_flags {
@ -2358,6 +2359,7 @@ static int ab8500_charger_ac_get_property(struct power_supply *psy,
union power_supply_propval *val)
{
struct ab8500_charger *di;
int ret;
di = to_ab8500_charger_ac_device_info(psy_to_ux500_charger(psy));
@ -2379,7 +2381,10 @@ static int ab8500_charger_ac_get_property(struct power_supply *psy,
val->intval = di->ac.charger_connected;
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
di->ac.charger_voltage = ab8500_charger_get_ac_voltage(di);
ret = ab8500_charger_get_ac_voltage(di);
if (ret >= 0)
di->ac.charger_voltage = ret;
/* On error, use previous value */
val->intval = di->ac.charger_voltage * 1000;
break;
case POWER_SUPPLY_PROP_VOLTAGE_AVG:
@ -2391,7 +2396,10 @@ static int ab8500_charger_ac_get_property(struct power_supply *psy,
val->intval = di->ac.cv_active;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
val->intval = ab8500_charger_get_ac_current(di) * 1000;
ret = ab8500_charger_get_ac_current(di);
if (ret >= 0)
di->ac.charger_current = ret;
val->intval = di->ac.charger_current * 1000;
break;
default:
return -EINVAL;
@ -2418,6 +2426,7 @@ static int ab8500_charger_usb_get_property(struct power_supply *psy,
union power_supply_propval *val)
{
struct ab8500_charger *di;
int ret;
di = to_ab8500_charger_usb_device_info(psy_to_ux500_charger(psy));
@ -2441,7 +2450,9 @@ static int ab8500_charger_usb_get_property(struct power_supply *psy,
val->intval = di->usb.charger_connected;
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
di->usb.charger_voltage = ab8500_charger_get_vbus_voltage(di);
ret = ab8500_charger_get_vbus_voltage(di);
if (ret >= 0)
di->usb.charger_voltage = ret;
val->intval = di->usb.charger_voltage * 1000;
break;
case POWER_SUPPLY_PROP_VOLTAGE_AVG:
@ -2453,7 +2464,10 @@ static int ab8500_charger_usb_get_property(struct power_supply *psy,
val->intval = di->usb.cv_active;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
val->intval = ab8500_charger_get_usb_current(di) * 1000;
ret = ab8500_charger_get_usb_current(di);
if (ret >= 0)
di->usb.charger_current = ret;
val->intval = di->usb.charger_current * 1000;
break;
case POWER_SUPPLY_PROP_CURRENT_AVG:
/*