Re: [PATCH] IIO: ADC: New driver for AD7792/AD7793 3 Channel SPI ADC

[Jonathan Cameron <jic23@cam.ac.uk>]

On 05/27/11 15:46, Hennerich, Michael wrote:
> Jonathan Cameron wrote on 2011-05-26:
>>
>> ...
>>>> What would happen if this driver used any other trigger?  Would
>> everything work?
>>> No. But other drivers can you the trigger. It's not really an
>>> trigger
>> it's a data ready.
>> Most are.  As you say, it is useful to trigger other reads from this,
>> but not to trigger this to read from other sources...
>>>> I think it would do an immediate read which is going to be a problem.
>>>> Perhaps we need a way of restricting triggers.  This one can be used
>>>> by anyone, but the part can only use it's own trigger (I think).
>>> Having the ability to reject alien triggers are nice to have.
>> True enough.  I guess the easiest is some sort of 'filter' callback on
>> trigger connect.
>> Then drivers that care, can reject devices that don't match what they
>> need.  Would probably want one in each direction.  Trigggers can
>> reject devices and devices can reject triggers.
> 
> Are you going to put this in place?
> Or do you want me to look at it?
don't mind either way.  Give me a yell if you start work on it and I'll
do the same.  Whoever gets their first can do it.
> 
> BTW - I'm out next week...
Me too (for most of it anyway!)
 
> Greetings,
> Michael
> 
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