static int mc13892_battery_read_status(struct mc13892_dev_info *di)
{
int retval;
int coulomb;
retval = pmic_get_batt_voltage(&(di->voltage_raw));
if (retval == 0)
di->voltage_uV = di->voltage_raw * PMIC_BAT_VOLTAGE_UNIT_UV;
retval = pmic_get_batt_current(&(di->current_raw));
if (retval == 0) {
if (di->current_raw & 0x200)
di->current_uA =
(0x1FF - (di->current_raw & 0x1FF)) *
PMIC_BAT_CURRENT_UNIT_UA * (-1);
else
di->current_uA =
(di->current_raw & 0x1FF) * PMIC_BAT_CURRENT_UNIT_UA;
}
retval = pmic_get_charger_coulomb(&coulomb);
if (retval == 0)
di->accum_current_uAh = COULOMB_TO_UAH(coulomb);
else
di->accum_current_uAh = -1;
return retval;
}
static int mc13892_battery_read_status(struct mc13892_dev_info *di)
{
int retval;
#ifdef CONFIG_MACH_MX51_ERDOS
/* set voltage */
retval = pmic_get_batt_voltage(&(di->voltage_raw), 0);
if (retval == 0) {
di->voltage_uV = di->voltage_raw * 1000; /* mV -> uV */
}
#else
int coulomb;
retval = pmic_get_batt_voltage(&(di->voltage_raw));
if (retval == 0)
di->voltage_uV = di->voltage_raw * BAT_VOLTAGE_UNIT_UV;
retval = pmic_get_batt_current(&(di->current_raw));
if (retval == 0) {
if (di->current_raw & 0x200)
di->current_uA =
(0x1FF - (di->current_raw & 0x1FF)) *
BAT_CURRENT_UNIT_UA * (-1);
else
di->current_uA =
(di->current_raw & 0x1FF) * BAT_CURRENT_UNIT_UA;
}
retval = pmic_get_charger_coulomb(&coulomb);
if (retval == 0)
di->accum_current_uAh = COULOMB_TO_UAH(coulomb);
#endif /* CONFIG_MACH_MX51_ERDOS */
return retval;
}
int get_battery_mA(void) /* get charging current float into battery */
{
unsigned short value=0;
int bat_curr=0;
int bat_cur=0;
int chargerState=0;
bool bPoweroffProcessSign = false;
pmic_get_batt_current(&value);
bat_curr = ((value&0x200) ? (value|0xfffffc00) : value);
bat_curr = (bat_curr*3000)/512;
////wen add ,only for test,
if((-bat_curr) >= 0){
bat_cur = (-bat_curr);
}else{
chargerState =get_charger_state();
if(chargerState == 1){
bat_cur = 0;
}else{
///power off,only executed once
////whether check the battaty voltage ?
if((!bPoweroffProcessSign) && (get_battery_mV()< 3400)){
pr_notice("Charger current < 0 and Battery voltage < 3.4v, Power off \n");
// orderly_poweroff(1);
kernel_power_off();
bPoweroffProcessSign = true;
}
}
}
return bat_cur;
}
