At Wed, 15 Oct 2003 13:41:40 +0100,
Liam Girdwood wrote:
> 
> Hi,
> 
> Unfortunately WM8770 driver development is not in my immediate to do
> list. However, I do remember someone had done some work on the 8770
> (possibly on the Aureon Terratec card). You may want to look at this as
> a starting point for your driver.

yes, it's in aureon.c, which is based also on ice1724 chip.
hacking this code would be the first step.

> You will also have to write some code for your audio controller chip
> (ICE1724). This chip controls and sends/receives audio data to the
> WM8770 codec. If your lucky, this chip may also be part of another
> driver.

the problem is that each ice1724 board is implemented with different
GPIO use.  furthermore, ice1724 has 24 (i forgot the exact number)
GPIO pins, while ice1712 has only 8.  it makes already difficult to
check the pin connection.  the help of the board vendor is most likely
needed.


Takashi


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