Re: [PATCH 1/2] iio: ABI: Add DAC 500ohm, 3.85kohm, and 16kohm powerdown modes

[Jonathan Cameron <jic23@kernel.org>]

On Tue, 5 May 2026 12:34:31 +0800
Kim Seer Paller <kimseer.paller@analog.com> wrote:

> Add powerdown mode entries for DACs with 500 Ohm, 3.85 kOhm, and
> 16 kOhm resistor to ground output impedance states. These are used
> by the AD3531/AD3531R 4-channel DAC.
> 
> Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com>
Applied this one to the testing branch of iio.git.
I'm not bothered if the docs take a while to chase the fix
as not so important to backport given the meaning is obvious enough
and this is really just about completeness.

> ---
>  Documentation/ABI/testing/sysfs-bus-iio | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index 60dfeff8f2c9..925a33fd309a 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -764,10 +764,13 @@ Contact:	linux-iio@vger.kernel.org
>  Description:
>  		Specifies the output powerdown mode.
>  		DAC output stage is disconnected from the amplifier and
> +		500ohm_to_gnd: connected to ground via a 500Ohm resistor,
>  		1kohm_to_gnd: connected to ground via an 1kOhm resistor,
>  		2.5kohm_to_gnd: connected to ground via a 2.5kOhm resistor,
> +		3.85kohm_to_gnd: connected to ground via a 3.85kOhm resistor,
>  		6kohm_to_gnd: connected to ground via a 6kOhm resistor,
>  		7.7kohm_to_gnd: connected to ground via a 7.7kOhm resistor,
> +		16kohm_to_gnd: connected to ground via a 16kOhm resistor,
>  		20kohm_to_gnd: connected to ground via a 20kOhm resistor,
>  		32kohm_to_gnd: connected to ground via a 32kOhm resistor,
>  		42kohm_to_gnd: connected to ground via a 42kOhm resistor,
>