W83795_REG_FAN_MIN_LSB
lsb = w83795_read(client, W83795_REG_FAN_MIN_LSB(i));
val |= w83795_read(client, W83795_REG_FAN_MIN_LSB(index))
val |= w83795_read(client, W83795_REG_FAN_MIN_LSB(index))
w83795_write(client, W83795_REG_FAN_MIN_LSB(index), val & 0xff);