From b593ce5db22483dd66405861ac3f782e5a7cd9f3 Mon Sep 17 00:00:00 2001 From: George Stark Date: Fri, 14 Jul 2023 14:37:52 +0300 Subject: iio: adc: meson: add channel labels Add channel labels to provide human-readable names for the inputs. Signed-off-by: George Stark Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230714114010.293440-6-gnstark@sberdevices.ru Signed-off-by: Jonathan Cameron --- drivers/iio/adc/meson_saradc.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/iio/adc') diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index ea1f7374cf34..b8c01a81539b 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -1055,8 +1055,20 @@ out: 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 = { -- cgit