Re: IIO Driver for TMP117 Temperature sensor

[Guenter Roeck <linux@roeck-us.net>]

On 12/9/20 12:11 AM, Alexandru Ardelean wrote:
> On Tue, Dec 8, 2020 at 6:10 PM Puranjay Mohan <puranjay12@gmail.com> wrote:
>>
>> I have this TI's TMP117 sensor with me and I was thinking about writing an
>> IIO driver for it as a hobby project. Is the IIO subsystem the correct
>> place for this driver? if yes, can someone help me get started with this,
>> I haven't written an IIO driver before. I have this sensor and also a
>> raspberry pi with me for testing.
> 
> This could also fit into drivers/hwmon.
> Looking at the HWMON subsystem there are more TMP drivers there
> (TMP102/103/108/401/513).
> The first 3 seem a bit more similar to TMP117 (in terms of register map).
> 

It would probably be better suited for hwmon (it has limit registers,
suggesting a common use as hardware monitoring device).

> Let's see what others have to add.
> But, all-in-all whatever driver you end up writing, the easiest method
> is to copy an existing similar driver and extend it.
> Sometimes, a part can be added to an existing driver.
> At a quick scan through existing drivers, it doesn't look like TMP117
> is similar to existing drivers, so it may require a new driver
> altogether.

I don't see an immediate match either, but the tmp102 hwmon driver
might be a good start.

Guenter

> I may have missed something though.
> 
> Thanks
> Alex
> 
>>
>> --
>> Thanks and Regards
>>
>> Yours Truly,
>>
>> Puranjay Mohan