Re: [PATCH v4 3/4] iio: adc: adi-axi-dac: define supported iio-backend capabilities

[Jonathan Cameron <jic23@kernel.org>]

On Wed, 21 Jan 2026 12:08:32 +0000
Tomas Melin <tomas.melin@vaisala.com> wrote:

iio: dac: adi-axi-dac: ...


> Backends support buffering capability so advertise it while registering
> in case a frontend makes checks for it.
> 
> Signed-off-by: Tomas Melin <tomas.melin@vaisala.com>
> ---
>  drivers/iio/dac/adi-axi-dac.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/iio/dac/adi-axi-dac.c b/drivers/iio/dac/adi-axi-dac.c
> index 0d525272a8a8378e616fae4d0af606979d7b7716..cd06cd4587af56cd2521efcaa37c407f172e7014 100644
> --- a/drivers/iio/dac/adi-axi-dac.c
> +++ b/drivers/iio/dac/adi-axi-dac.c
> @@ -869,11 +869,13 @@ static const struct iio_backend_ops axi_ad3552r_ops = {
>  static const struct iio_backend_info axi_dac_generic = {
>  	.name = "axi-dac",
>  	.ops = &axi_dac_generic_ops,
> +	.caps = IIO_BACKEND_CAP_BUFFERING,
>  };
>  
>  static const struct iio_backend_info axi_ad3552r = {
>  	.name = "axi-ad3552r",
>  	.ops = &axi_ad3552r_ops,
> +	.caps = IIO_BACKEND_CAP_BUFFERING,
>  };
>  
>  static const struct regmap_config axi_dac_regmap_config = {
>