Add attribute 'label' to all iio channles Signed-off-by: George Stark <GNStark@xxxxxxxxxxxxxx> --- Changelog: v1->v2: update commit message from [1] [1] https://lore.kernel.org/lkml/20230621062715.455652-3-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 7ef006650982..e7eb154b151f 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -1044,8 +1044,20 @@ 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 = { -- 2.38.4