Re: [PATCH 0/2] iio: adc: ti-ads112c14: add burnout current support

On Mon, 27 Jul 2026 03:08:22 +0100
Jonathan Cameron <[email protected]> wrote:

> On Fri, 24 Jul 2026 15:49:16 -0500
> "David Lechner (TI)" <[email protected]> wrote:
> 
> > The TI ADS112C14 ADC has a feature to enable a "burnout" current when
> > taking a measurement. This can be used to detect open/short circuit
> > conditions of a connected sensor. However, enabling this affects the
> > accuracy of the reading. So we add a custom "burnoutraw" attribute for
> > this. This works like the standard raw attribute to do a direct read
> > but does so with the burnout current enabled.
> > 
> > If this sounds familiar, it is because we discussed this on a similar
> > chip recently [1]. And this is why I put the ABI docs in a common ADC
> > file rather than one specific to this chip.
> > 
> > [1]: https://lore.kernel.org/linux-iio/20260622110223.7e854dde@jic23-huawei/
> > 
> > Signed-off-by: David Lechner (TI) <[email protected]>  
> 
> Seems fine to me, but given it is new ABI, I'd like some more eyes on the documentation
> patch in particular.

Seems no interest in this from others. I've no idea what this was on top
of so please rebase or resend alongside those other series.

All I know is it doesn't apply to my tree  - which isn't that surprising
given all the series around for this driver!

Jonathan

> 
> Thanks
> 
> Jonathan
> 
> > ---
> > David Lechner (TI) (2):
> >       iio: adc: ti-ads112c14: add burnout current support
> >       iio: ABI: add sysfs attribute for _burnoutraw
> > 
> >  Documentation/ABI/testing/sysfs-bus-iio-adc |   9 ++
> >  drivers/iio/adc/ti-ads112c14.c              | 126 ++++++++++++++++++++++++++--
> >  2 files changed, 126 insertions(+), 9 deletions(-)
> > ---
> > base-commit: 0b5e142ced4bcf20532da051934bd694d1bbd470
> > change-id: 20260724-iio-adc-ti-ads112c14-burnout-184304669165
> > prerequisite-change-id: 20260714-iio-adc-ti-ads112c14-buffered-read-41e5d1ca0dc3:v2
> > prerequisite-patch-id: 8723aa599dcf5b836fb81cf1efb6c9096bf60b7a
> > prerequisite-patch-id: 12754335ccf210bcdeaa8a5d60b2280618d50993
> > prerequisite-change-id: 20260724-iio-adc-ti-ads112c14-continuous-mode-dd1580754609:v1
> > prerequisite-patch-id: 8723aa599dcf5b836fb81cf1efb6c9096bf60b7a
> > prerequisite-patch-id: 12754335ccf210bcdeaa8a5d60b2280618d50993
> > prerequisite-patch-id: ed5d4c1628ef60ed542339fe5fb490383ee8074f
> > prerequisite-patch-id: b92f5609fcf39e958e78b4dd74c3d323ebb6a161
> > 
> > Best regards,
> > --  
> > David Lechner (TI) <[email protected]>
> >   
> 
>