+static int bq27x00_battery_status(struct bq27x00_device_info *di,
+ union power_supply_propval *val)
+{
+ int flags = 0;
+ int status;
+ int ret;
+
+ ret = bq27x00_read(BQ27x00_REG_FLAGS, &flags, 0, di);
+ if (ret < 0) {
+ dev_err(di->dev, "error reading flags\n");
+ return ret;
+ }
+
+ if (di->chip == BQ27500) {
+ if (flags & BQ27500_FLAG_FC)
+ status = POWER_SUPPLY_STATUS_FULL;
+ else if (flags & BQ27500_FLAG_DSC)
+ status = POWER_SUPPLY_STATUS_DISCHARGING;
+ else
+ status = POWER_SUPPLY_STATUS_CHARGING;
+ } else {
+ if (flags & BQ27000_FLAG_CHGS)
+ status = POWER_SUPPLY_STATUS_CHARGING;
+ else
+ status = POWER_SUPPLY_STATUS_DISCHARGING;
+ }
+
+ val->intval = status;
+ return 0;
+}
+
+/*
+ * Read a time register.
+ * Return < 0 if something fails.
+ */
+static int bq27x00_battery_time(struct bq27x00_device_info *di, int reg,
+ union power_supply_propval *val)
+{
+ int tval = 0;
+ int ret;
+
+ ret = bq27x00_read(reg, &tval, 0, di);
+ if (ret) {
+ dev_err(di->dev, "error reading register %02x\n", reg);
+ return ret;
+ }
+
+ if (tval == 65535)
+ return -ENODATA;
+
+ val->intval = tval * 60;
+ return 0;
+}
+