Re: [PATCH] iio: accel: mma8452: Expose temperature channel

[Jonathan Cameron <Jonathan.Cameron@Huawei.com>]

On Mon, 17 Feb 2020 08:19:08 -0600
Dylan Howey <Dylan.Howey@tennantco.com> wrote:

> On 02/14/2020 13:24, Jonathan Cameron wrote:
> > So ideally we'd get someone at Freescale to confirm there is a hardware
> > rather than a documentation issue (i.e. maybe we need some other magic).  
> I'll try that route first. I have an NXP contact.
> 
> > If they do we probably need to avoid breaking them so would need a module
> > parameter to be 'enable temp' rather than the more natural option
> > of 'disable temp' to be set only by people who need the highest
> > frequency.  
> That's what I had in mind.
> 
> > The question is whether anyone actually cares about 800Hz?  
> I have a use case for this. I'm doing some data logging with this hardware
> and a higher sample rate is always better.
> 
> By the way, this hardware has a fifo that the driver isn't using. I might
> add support for that. Currently I'm trying to log and getting hammered with
> an 800Hz interrupt and that is causing some issues.

Yeah.  Those sorts of rates tend to get tricky without using hardware
fifos.  Great if you can add support.

Thanks,

Jonathan

>