[PATCH] IIO: Add basic MXS LRADC driver

[Juergen Beisert]

Hi Marek,

> > When I try to compile
> > your code I get:
> >
> > drivers/staging/iio/adc/mxs-lradc.c:42:40: fatal error:
> > linux/iio/triggered_buffer.h: No such file or directory
>
> You need this patches:
>     iio:kfifo_buf Take advantage of the fixed record size used in IIO
>     iio: kfifo - add poll support.
>
> And use latest -next.

Thanks for the hints. Now it compiles and the driver seems to work.

One thing I do not understand: It does not matter what channel I read 
('in_voltage*_raw'), only interrupt 16 ('mxs-lradc-channel0') counts up. 
Intended?
Or did I a mistake by adding interrupt numbers "<13 14 15 16 17 18 19 20 21 22 
23 24 25>" to the corresponding device tree entry?

Regards,
Juergen

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