iio: hi8435: make in_voltage_sensing_mode_available visible

Possible values of sensing_mode are encoded with strings and actual
strings used are not obvious.

Provide a hint by enabling in_voltage_sensing_mode_available attribute.

Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/adc/hi8435.c b/drivers/iio/adc/hi8435.c
index 45a92e3e8f2b6e88289eac6073a251e3983135bd..d09cb6ff8044d5f783e5d00715e4a91dd1d2d643 100644 (file)
--- a/drivers/iio/adc/hi8435.c
+++ b/drivers/iio/adc/hi8435.c
@@ -356,6 +356,7 @@ static const struct iio_enum hi8435_sensing_mode = {
 
 static const struct iio_chan_spec_ext_info hi8435_ext_info[] = {
        IIO_ENUM("sensing_mode", IIO_SEPARATE, &hi8435_sensing_mode),
+       IIO_ENUM_AVAILABLE("sensing_mode", &hi8435_sensing_mode),
        {},
 };