[PATCH v5 5/6] iio: adc: meson: add channel labels

George Stark
2023-07-11T20:02:09Z

Add channel labels to provide human-readable names for the inputs.

Signed-off-by: George Stark <GNStark@sberdevices.ru>
---
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 b14c66656bcc..918bd5da3605 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -1055,8 +1055,20 @@ 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, "temp-sensor\n");
+ 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