Re: [PATCH v2 3/3] iio: light: opt3001: enable operation w/o IRQ

From: Alexander Koch
Date: Sat Jan 23 2016 - 13:55:24 EST


Am 18.01.2016 um 18:07 schrieb Martin Kepplinger:
> Am 2016-01-16 um 17:14 schrieb Alexander Koch:
>> Enable operation of the TI OPT3001 light sensor without having an
>> interrupt line available to connect the INT pin to.
>>
>> In this operation mode, we issue a conversion request and simply wait
>> for the conversion time available as timeout value, determined from
>> integration time configuration and the worst-case time given in the data
>> sheet (sect. 6.5, table on p. 5):
>>
>> short integration time (100ms): 110ms + 3ms = 113ms
>> long integration time (800ms): 880ms + 3ms = 883ms
>>
>> This change is transparent as behaviour defaults to using the interrupt
>> method if an interrupt no. is configured via device tree. Interrupt-less
>> operation mode is performed when no valid interrupt no. is given.
>>
>> Signed-off-by: Alexander Koch <mail@xxxxxxxxxxxxxxxxx>
>> Signed-off-by: Michael Hornung <mhornung.linux@xxxxxxxxx>
>> ---
>> drivers/iio/light/opt3001.c | 137 ++++++++++++++++++++++++++++++--------------
>> 1 file changed, 95 insertions(+), 42 deletions(-)
>>
>
> Looks ok to me, although I didn't verify anything. Not very important
> suggestions for changes inline

Thanks! Suggestions noted but if nobody objects I'd stick with v2 as I'm
hoping to have it accepted in the merge window for 4.5.


Regards

Alex