Re: [PATCH v2 3/3] staging:iio:dac: Add AD5421 driver

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On 10/31/2011 12:28 PM, Jonathan Cameron wrote:
> On 10/27/11 09:44, Lars-Peter Clausen wrote:
>> This patch adds support for the Analog Devices AD5421 Loop-Powered, 4mA to 20mA
>> DAC.
>>
>> Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
> Acked-by: Jonathan Cameron <jic23@xxxxxxxxx>
> 
> Feel free to send on to Greg as you've nailed everything I cared about.
> 
> I do wonder if we might be better with an explicit 'no_read' flag in the
> chan_spec for channels like this. That way we could assign more meaningful
> channel numbers?  Afterall, sooner of later we are going to have something
> with two temperature sensors that only generate events.
> 
> What do you think?

Makes sense, but I think we can add this when we have to add support for
such a device.

An alternative would be to make devices explicitly request raw attributes
through info_mask. But that would require touching all existing drivers again.

Could you also Ack "staging:iio: IIO_EVENT_CODE: Clamp channel numbers"?
I'll replace the s16 with __s16 before sending it on to Greg.


Thanks
- Lars
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