Re: [PATCH 03/12] iio: adc: rohm-bd79124: Fix GPIO mask check

[Jonathan Cameron]

On Mon, 10 Aug 2026 10:50:49 +0300
Matti Vaittinen <matti.vaittinen@xxxxxxxxx> wrote:

> From: Matti Vaittinen <mazziesaccount@xxxxxxxxx>
> 
> The ROHM BD79124 has pins which can be configured as GPOs or as ADC
> inputs. The bd79124gpo_set_multiple() is intended to ensure that a pin
> which is requested to be toggled, is indeed configured as a GPO.
> 
> The check uses XOR, causing it to fail if mask is not exactly same as
> GPO configuration. Eg, if not all GPOs are asked to be toggled at once.
> 
> Fix this by checking that mask does not contain pins that are not
> configured as GPO, allowing some of the pins which are configured as
> GPO to be untouched.
> 
> Signed-off-by: Matti Vaittinen <mazziesaccount@xxxxxxxxx>
> Fixes: 3f57a3b9ab74 ("iio: adc: Support ROHM BD79124 ADC")
Applied and marked for stable.