[PATCH v7 5/6] iio: adc: meson: add channel labels
From: George Stark <hidden>
Date: 2023-07-14 11:40:33
Also in:
linux-amlogic, linux-iio, lkml
Subsystem:
iio subsystem and drivers, the rest · Maintainers:
Jonathan Cameron, Linus Torvalds
Add channel labels to provide human-readable names for the inputs. Signed-off-by: George Stark <redacted> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- 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
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