Add a bullet point for "sinc4+rej60" filter_type that is used in the
ad7124 driver.

Signed-off-by: David Lechner <dlechner@baylibre.com>
---
 Documentation/ABI/testing/sysfs-bus-iio | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 2fb2cea4b19249743398b1ff0b538b03ced0340b..829ccfd902f2ca4e5ae38ca025eb3c4a9fe1389d 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -2292,6 +2292,7 @@ Description:
 		  1st conversion time.
 		* "sinc4+sinc1" - Sinc4 + averaging by 8. Low 1st conversion
 		  time.
+		* "sinc4+rej60" - Sinc4 + 60Hz rejection.
 		* "sinc5" - The digital sinc5 filter. Excellent noise
 		  performance
 		* "sinc5+avg" - Sinc5 + averaging by 4.

-- 
2.43.0