- if (pcf2127->voltage_low)
- dev_info(dev, "low voltage detected, check/replace battery\n");
- if (pcf2127->oscillator_failed)
- dev_info(dev, "oscillator stop detected, date/time is not reliable\n");
+ ret = i2c_master_send(client, &buf, 1);
+ if (!ret)
+ ret = -EIO;
+ if (ret < 0)
+ return ret;
+
+ ret = i2c_master_recv(client, &buf, 1);
+ if (!ret)
+ ret = -EIO;
+ if (ret < 0)
+ return ret;