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Subject[PATCH 1/2] media: dvb uapi: move frontend legacy API to another part of the book
There's a chapter for the legacy APIs. Move the frontend DVBv3
API to it, and update the chapter's introduction accordingly.

Signed-off-by: Mauro Carvalho Chehab <>
Documentation/media/uapi/dvb/frontend.rst | 1 -
Documentation/media/uapi/dvb/legacy_dvb_apis.rst | 21 ++++++++++++++-------
2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/Documentation/media/uapi/dvb/frontend.rst b/Documentation/media/uapi/dvb/frontend.rst
index b9cfcad39823..4967c48d46ce 100644
--- a/Documentation/media/uapi/dvb/frontend.rst
+++ b/Documentation/media/uapi/dvb/frontend.rst
@@ -54,4 +54,3 @@ Data types and ioctl definitions can be accessed by including
- frontend_legacy_dvbv3_api
diff --git a/Documentation/media/uapi/dvb/legacy_dvb_apis.rst b/Documentation/media/uapi/dvb/legacy_dvb_apis.rst
index 7eb14d6f729f..e1b2c9c7b620 100644
--- a/Documentation/media/uapi/dvb/legacy_dvb_apis.rst
+++ b/Documentation/media/uapi/dvb/legacy_dvb_apis.rst
@@ -6,20 +6,27 @@
Digital TV Deprecated APIs

-The APIs described here are kept only for historical reasons. There's
-just one driver for a very legacy hardware that uses this API. No modern
-drivers should use it. Instead, audio and video should be using the V4L2
-and ALSA APIs, and the pipelines should be set using the Media
-Controller API
+The APIs described here **should not** be used on new drivers or applications.

-.. note::
+The DVBv3 frontend API has issues with new delivery systems, including
+DVB-S2, DVB-T2, ISDB, etc.
+There's just one driver for a very legacy hardware using the Digital TV
+audio and video APIs. No modern drivers should use it. Instead, audio and
+video should be using the V4L2 and ALSA APIs, and the pipelines should
+be set via the Media Controller API.
+.. attention::

The APIs described here doesn't necessarily reflect the current
- code implementation.
+ code implementation, as this section of the document was written
+ for DVB version 1, while the code reflects DVB version 3
+ implementation.

.. toctree::
:maxdepth: 1

+ frontend_legacy_dvbv3_api
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