linux-kernel - Re: [PATCH V4 2/2] staging: iio: add driver for isl29028

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Message-ID: <4F87FA6D.7080700@cam.ac.uk>
Date:	Fri, 13 Apr 2012 11:05:33 +0100
From:	Jonathan Cameron <jic23@....ac.uk>
To:	Laxman Dewangan <ldewangan@...dia.com>
CC:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"grant.likely@...retlab.ca" <grant.likely@...retlab.ca>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	"jbrenner@...sinc.com" <jbrenner@...sinc.com>,
	Rhyland Klein <rklein@...dia.com>, "max@...o.at" <max@...o.at>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>
Subject: Re: [PATCH V4 2/2] staging: iio: add driver for isl29028

On 4/13/2012 10:48 AM, Laxman Dewangan wrote:
> On Thursday 12 April 2012 08:04 PM, Jonathan Cameron wrote:
>> On 4/12/2012 3:01 PM, Laxman Dewangan wrote:
>>> Intersil's ISL29028 is concurrent Ambient Light and
>>> Proximity Sensor device.
>>> Add driver to access the light and IR intensity and
>>> proximity value via iio interface.
>> Very nearly there.  The available attributes need to match naming
>> of what they are providing values for. (we need a better way of handling
>> these but that's a job for another day).
>>
>> Otherwise, all good.
>
> Fine, I will do change.
>
>>> +     mutex_unlock(&chip->lock);
>>> +     return ret;
>>> +}
>>> +
>>> +static IIO_CONST_ATTR(proximity_sampling_frequency_available,
>>> +                             "1, 3, 5, 10, 13, 20, 83, 100");
>>> +static IIO_CONST_ATTR(illuminance_scale_available, "125, 2000");
>>> +
>>> +#define ISL29028_DEV_ATTR(name) (&iio_dev_attr_##name.dev_attr.attr)
>>> +#define ISL29028_CONST_ATTR(name) 
>>> (&iio_const_attr_##name.dev_attr.attr)
>>> +static struct attribute *isl29028_attributes[] = {
>>> +     ISL29028_CONST_ATTR(proximity_sampling_frequency_available),
>> tiny disconnect now that you have in_proximity0_sampling frequency, this
>> should be in_proximity0_sampling_frequency_available
>>
>
> I saw the attribute appear as
> in_illuminance_input
> in_illuminance_scale
> in_intensity_raw
> in_proximity_raw
> in_proximity_sampling_frequency
>
>
> As I have not set  the .indexed to non-zero,  I will go as non-indexd 
> name like
> in_proximity_sampling_frequency_available.
Fair enough.
>
>>> +     ISL29028_CONST_ATTR(illuminance_scale_available),
>> snap here (sorry, missed that last time).
>>
>> in_illuminance0_scale_available
>>
>
> I think should be in_illuminance_scale_available
yup
>
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