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iio: adc: meson: add channel labels 

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

Signed-off-by: George Stark <GNStark@sberdevices.ru>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230714114010.293440-6-gnstark@sberdevices.ru
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
George Stark 2023-07-14 14:37:52 +03:00 committed by Jonathan Cameron
parent c38180bf3d
commit b593ce5db2
1 changed files with 12 additions and 0 deletions
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12
drivers/iio/adc/meson_saradc.c
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@ -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 = {