[PATCH v3 2/3] iio: adc: ad4130: Add filter_type attributes

[Marcelo Schmitt <marcelo.schmitt@analog.com>]

Make filter control also available through filter_type attributes which are
now standardized in main IIO ABI documentation.

Suggested-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Marcelo Schmitt <marcelo.schmitt@analog.com>
---
Hi David, I forgot to ask if you wanted it, but I've added a suggested-by tag
for your advice on v2.

Thanks,
Marcelo

 drivers/iio/adc/ad4130.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iio/adc/ad4130.c b/drivers/iio/adc/ad4130.c
index de32cc9d18c5..66097ff65740 100644
--- a/drivers/iio/adc/ad4130.c
+++ b/drivers/iio/adc/ad4130.c
@@ -942,6 +942,9 @@ static const struct iio_chan_spec_ext_info ad4130_filter_mode_ext_info[] = {
 	IIO_ENUM("filter_mode", IIO_SEPARATE, &ad4130_filter_mode_enum),
 	IIO_ENUM_AVAILABLE("filter_mode", IIO_SHARED_BY_TYPE,
 			   &ad4130_filter_mode_enum),
+	IIO_ENUM("filter_type", IIO_SEPARATE, &ad4130_filter_mode_enum),
+	IIO_ENUM_AVAILABLE("filter_type", IIO_SHARED_BY_TYPE,
+			   &ad4130_filter_mode_enum),
 	{ }
 };
 
-- 
2.47.2