Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
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.. _dvb-fe-read-status:
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***************************************
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Querying frontend status and statistics
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***************************************
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Once :ref:`FE_SET_PROPERTY <FE_GET_PROPERTY>` is called, the
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frontend will run a kernel thread that will periodically check for the
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tuner lock status and provide statistics about the quality of the
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signal.
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The information about the frontend tuner locking status can be queried
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using :ref:`FE_READ_STATUS`.
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Signal statistics are provided via
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:ref:`FE_GET_PROPERTY`.
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.. note::
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Most statistics require the demodulator to be fully locked
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(e. g. with :c:type:`FE_HAS_LOCK <fe_status>` bit set). See
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:ref:`Frontend statistics indicators <frontend-stat-properties>` for
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more details.
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