[PATCH v2 5/6] meson saradc: add channel labels
George Stark
gnstark at sberdevices.ru
Thu Jun 22 19:20:13 PDT 2023
Add attribute 'label' to all iio channles
Signed-off-by: George Stark <GNStark at sberdevices.ru>
---
Changelog:
v1->v2: update commit message from [1]
[1] https://lore.kernel.org/lkml/20230621062715.455652-3-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 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
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