From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gregor Riepl <onitake@gmail.com>
Subject: Re: Chipone icn85xx support in x86 linux kernel
Date: Sat, 12 Mar 2016 13:54:28 +0100
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> In ACPI DSDT it is declared something regarding 0x30, but may be below
> lines mean something other???
> 
> 
> Method (_CRS, 0, NotSerialized)  // _CRS: Current Resource Settings
>                 {
>                     Name (RBUF, ResourceTemplate ()
>                     {
>                         I2cSerialBus (0x0030, ControllerInitiated, 0x00061A80,
>                             AddressingMode7Bit, "\\_SB.I2C4",
>                             0x00, ResourceConsumer, ,
>                             )

In general, you should go with the values in the DSDT.
They may be wrong if the manufacturer messed up (it happens), but they are
your best bet. Remember, even the Windows driver needs to get the values
somewhere.