iio: backend: add a modified prbs23 support

Support ADI specific prb23 sequence that can be used both for
calibrating or debugging digital interfaces.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240802-dev-iio-backend-add-debugfs-v2-3-4cb62852f0d0@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/include/linux/iio/backend.h b/include/linux/iio/backend.h
index 9d0dba7ab9e7858ffef722ba4f492fd461ef6533..2b9d1aa865522cf3e630789f8efe9937855ea4c4 100644 (file)
--- a/include/linux/iio/backend.h
+++ b/include/linux/iio/backend.h
@@ -56,6 +56,8 @@ enum iio_backend_test_pattern {
        IIO_BACKEND_NO_TEST_PATTERN,
        /* modified prbs9 */
        IIO_BACKEND_ADI_PRBS_9A = 32,
+       /* modified prbs23 */
+       IIO_BACKEND_ADI_PRBS_23A,
        IIO_BACKEND_TEST_PATTERN_MAX
 };