On Wed, 28 Jun 2023 01:37:17 +0300
George Stark <gnstark@xxxxxxxxxxxxxx> wrote:
> Add attribute 'label' to all iio channels.
Why? Reasoning is more useful here than a simple statement of 'what'.
>
> Signed-off-by: George Stark <GNStark@xxxxxxxxxxxxxx>
> ---
> drivers/iio/adc/meson_saradc.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
> index b87f05dfb322..85970fe852af 100644
> --- a/drivers/iio/adc/meson_saradc.c
> +++ b/drivers/iio/adc/meson_saradc.c
> @@ -1058,8 +1058,20 @@ static int meson_sar_adc_calib(struct iio_dev *indio_dev)
> return ret;
> }
>
> +static int read_label(struct iio_dev *indio_dev,
> + struct iio_chan_spec const *chan,
> + char *label)
> +{
> + if (chan->type == IIO_TEMP)
> + return sprintf(label, "%s\n", "temp-sensor");
> + if (chan->type == IIO_VOLTAGE)
> + return sprintf(label, "channel-%d\n", chan->channel);
> + return 0;
> +}
> +
> static const struct iio_info meson_sar_adc_iio_info = {
> .read_raw = meson_sar_adc_iio_info_read_raw,
> + .read_label = read_label,
> };
>
> static const struct meson_sar_adc_param meson_sar_adc_meson8_param = {
