clear_caseopen(struct device *dev, struct w83627ehf_data *data, int channel,
               long val)
 {
-       u16 masks[] = { 0x80, 0x40 };
-       u16 reg, mask;
+       const u16 mask = 0x80;
+       u16 reg;
 
-       if (val != 0 || channel > 1)
+       if (val != 0 || channel != 0)
                return -EINVAL;
 
-       mask = masks[channel];
-
        mutex_lock(&data->update_lock);
        reg = w83627ehf_read_value(data, W83627EHF_REG_CASEOPEN_CLR);
        w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg | mask);
                break;
 
        case hwmon_intrusion:
-               if (channel == 0)
-                       return 0644;
-               return 0;
+               return 0644;
 
        default: /* Shouldn't happen */
                return 0;
 w83627ehf_do_read_intrusion(struct w83627ehf_data *data, u32 attr,
                            int channel, long *val)
 {
-       unsigned int masks[] = { 0x10, 0x40 };
-
-       if (attr != hwmon_intrusion_alarm || channel > 1)
+       if (attr != hwmon_intrusion_alarm || channel != 0)
                return -EOPNOTSUPP; /* shouldn't happen */
 
-       *val = !!(data->caseopen & masks[channel]);
+       *val = !!(data->caseopen & 0x10);
        return 0;
 }
 
                HWMON_T_ALARM | HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_MAX |
                        HWMON_T_MAX_HYST | HWMON_T_OFFSET | HWMON_T_TYPE),
        HWMON_CHANNEL_INFO(intrusion,
-               HWMON_INTRUSION_ALARM,
                HWMON_INTRUSION_ALARM),
        NULL
 };