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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/userspace-api/media/dvb/dvb-fe-read-status.rst | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/userspace-api/media/dvb/dvb-fe-read-status.rst')
-rw-r--r-- | Documentation/userspace-api/media/dvb/dvb-fe-read-status.rst | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/dvb/dvb-fe-read-status.rst b/Documentation/userspace-api/media/dvb/dvb-fe-read-status.rst new file mode 100644 index 000000000..fbd0548f5 --- /dev/null +++ b/Documentation/userspace-api/media/dvb/dvb-fe-read-status.rst @@ -0,0 +1,25 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later + +.. _dvb-fe-read-status: + +*************************************** +Querying frontend status and statistics +*************************************** + +Once :ref:`FE_SET_PROPERTY <FE_GET_PROPERTY>` is called, the +frontend will run a kernel thread that will periodically check for the +tuner lock status and provide statistics about the quality of the +signal. + +The information about the frontend tuner locking status can be queried +using :ref:`FE_READ_STATUS`. + +Signal statistics are provided via +:ref:`FE_GET_PROPERTY`. + +.. note:: + + Most statistics require the demodulator to be fully locked + (e. g. with :c:type:`FE_HAS_LOCK <fe_status>` bit set). See + :ref:`Frontend statistics indicators <frontend-stat-properties>` for + more details. |