Greg Kroah-Hartman
598cf27219
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>
54 lines
1.1 KiB
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54 lines
1.1 KiB
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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
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.. c:namespace:: DTV.fe
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.. _FE_DISHNETWORK_SEND_LEGACY_CMD:
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******************************
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FE_DISHNETWORK_SEND_LEGACY_CMD
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******************************
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Name
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====
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FE_DISHNETWORK_SEND_LEGACY_CMD
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Synopsis
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========
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.. c:macro:: FE_DISHNETWORK_SEND_LEGACY_CMD
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``int ioctl(int fd, FE_DISHNETWORK_SEND_LEGACY_CMD, unsigned long cmd)``
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Arguments
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=========
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``fd``
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File descriptor returned by :c:func:`open()`.
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``cmd``
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Sends the specified raw cmd to the dish via DISEqC.
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Description
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===========
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.. warning::
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This is a very obscure legacy command, used only at stv0299
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driver. Should not be used on newer drivers.
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It provides a non-standard method for selecting Diseqc voltage on the
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frontend, for Dish Network legacy switches.
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As support for this ioctl were added in 2004, this means that such
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dishes were already legacy in 2004.
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Return Value
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============
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On success 0 is returned.
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On error -1 is returned, and the ``errno`` variable is set
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appropriately.
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Generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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