static int wm831x_bat_get_prop(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct wm831x_power *wm831x_power = dev_get_drvdata(psy->dev->parent);
struct wm831x *wm831x = wm831x_power->wm831x;
int ret = 0;
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
ret = wm831x_bat_check_status(wm831x, &val->intval);
break;
case POWER_SUPPLY_PROP_ONLINE:
ret = wm831x_power_check_online(wm831x, WM831X_PWR_SRC_BATT,
val);
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
ret = wm831x_power_read_voltage(wm831x, WM831X_AUX_BATT, val);
break;
case POWER_SUPPLY_PROP_HEALTH:
ret = wm831x_bat_check_health(wm831x, &val->intval);
break;
case POWER_SUPPLY_PROP_CHARGE_TYPE:
ret = wm831x_bat_check_type(wm831x, &val->intval);
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static ssize_t power_prop_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = 0;
int level, power_status, system_status, chg_ctl1, chg_ctl2, chg_status;
union power_supply_propval val;
if (!g_wm831x_power)
return -1;
power_status = wm831x_reg_read(g_wm831x_power->wm831x, WM831X_POWER_STATE);
if (power_status < 0)
return power_status;
//printk("wm831x power status %#x\n", ret);
system_status = wm831x_reg_read(g_wm831x_power->wm831x, WM831X_SYSTEM_STATUS);
if (system_status < 0)
return system_status;
//printk("wm831x system status %#x\n", ret);
chg_ctl1 = wm831x_reg_read(g_wm831x_power->wm831x, WM831X_CHARGER_CONTROL_1);
if (chg_ctl1 < 0)
return chg_ctl1;
//printk("wm831x charger control1 %#x\n", ret);
chg_ctl2 = wm831x_reg_read(g_wm831x_power->wm831x, WM831X_CHARGER_CONTROL_2);
if (chg_ctl2 < 0)
return chg_ctl2;
//printk("wm831x charger control2 %#x\n", ret);
chg_status = wm831x_reg_read(g_wm831x_power->wm831x, WM831X_CHARGER_STATUS);
if (chg_status < 0)
return chg_status;
//printk("wm831x charger status %#x\n", ret);
ret = wm831x_power_read_voltage(g_wm831x_power->wm831x, WM831X_AUX_BATT, &val);
if (ret < 0)
return ret;
wm831x_batt_vol_level(g_wm831x_power, val.intval / 1000, &level);
//printk("batt_vol = %d batt_level = %d\n", val.intval, level);
//
sprintf(buf, "power_status=%#x\n"
"system_status=%#x\n"
"chg_ctl1=%#x\n"
"chg_ctl2=%#x\n"
"chg_status=%#x\n"
"batt_vol=%d\n"
"batt_level=%d%%\n",
power_status,
system_status,
chg_ctl1,
chg_ctl2,
chg_status,
val.intval,
level);
ret = strlen(buf) + 1;
return ret;
}
static void wm831x_batt_work(struct work_struct *work)
{
int online, status,health,level, ret;
union power_supply_propval val;
struct wm831x_power *power = container_of(work, struct wm831x_power, batt_work);
ret = wm831x_power_check_online(power->wm831x, WM831X_PWR_SRC_BATT, &val);
if (ret < 0) {
printk("%s: check bat online failer... err = %d\n", __FUNCTION__, ret);
return;
}
online = val.intval;
ret = wm831x_bat_check_status(power->wm831x, &status);
if (ret < 0) {
printk("%s: check bat status failer... err = %d\n", __FUNCTION__, ret);
return;
}
ret = wm831x_bat_check_health(power->wm831x, &health);
if (ret < 0) {
printk("%s: check bat health failer... err = %d\n", __FUNCTION__, ret);
return;
}
ret = wm831x_power_read_voltage(power->wm831x, WM831X_AUX_BATT, &val);
if (ret < 0) {
printk("%s: read bat voltage failer...err = %d\n", __FUNCTION__, ret);
return;
}
power->batt_info.voltage = val.intval;
wm831x_batt_vol_level(power, val.intval / 1000, &level);
//mod_timer(&power->timer, jiffies + msecs_to_jiffies(power->interval));
if (online != power->batt_info.online || status != power->batt_info.status
|| health != power->batt_info.health || level != power->batt_info.level)
{
power->batt_info.online = online;
power->batt_info.status = status;
power->batt_info.health = health;
power->batt_info.level = level;
power_supply_changed(&power->battery);
}
}
/*********************************************************************
* USB Power
*********************************************************************/
static int wm831x_usb_get_prop(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct wm831x_power *wm831x_power = dev_get_drvdata(psy->dev->parent);
struct wm831x *wm831x = wm831x_power->wm831x;
int ret = 0;
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE:
ret = wm831x_power_check_online(wm831x, WM831X_PWR_USB, val);
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
ret = wm831x_power_read_voltage(wm831x, WM831X_AUX_USB, val);
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
