Re: [PATCH RESEND v3 5/5] iio: adc: qcom-spmi-vadc: Propagate fw node label to userspace

[Dmitry Baryshkov]

On 02/05/2023 02:17, Marijn Suijten wrote:
> Set the read_label() callback to return a friendly name provided in DT
> (firmware), in order to make in_{therm,voltage}X_label attributes show
> up in sysfs for userspace to consume a channel name.  This is
> particularly useful for custom thermistors being attached to otherwise
> generically named GPIOs, where the name is known by the board DT.
>
> If the channel name isn't set in DT, use the datasheet_name hardcoded in
> the driver instead.
>
> Note that this doesn't fall back to fwnode_get_name() as that provides
> suboptimally readable names, with an @xx address suffix from board DT.
>
> Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> ---
>   drivers/iio/adc/qcom-spmi-vadc.c | 19 ++++++++++++++++++-
>   1 file changed, 18 insertions(+), 1 deletion(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

--
With best wishes
Dmitry