54 lines
1.4 KiB
ReStructuredText
54 lines
1.4 KiB
ReStructuredText
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.. Permission is granted to copy, distribute and/or modify this
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.. document under the terms of the GNU Free Documentation License,
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.. Version 1.1 or any later version published by the Free Software
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.. Foundation, with no Invariant Sections, no Front-Cover Texts
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.. and no Back-Cover Texts. A copy of the license is included at
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.. Documentation/media/uapi/fdl-appendix.rst.
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..
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.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
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.. _FE_DISEQC_RESET_OVERLOAD:
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******************************
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ioctl FE_DISEQC_RESET_OVERLOAD
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******************************
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Name
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====
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FE_DISEQC_RESET_OVERLOAD - Restores the power to the antenna subsystem, if it was powered off due - to power overload.
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Synopsis
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========
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.. c:function:: int ioctl( int fd, FE_DISEQC_RESET_OVERLOAD, NULL )
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:name: FE_DISEQC_RESET_OVERLOAD
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Arguments
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=========
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``fd``
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File descriptor returned by :ref:`open() <frontend_f_open>`.
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Description
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===========
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If the bus has been automatically powered off due to power overload,
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this ioctl call restores the power to the bus. The call requires
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read/write access to the device. This call has no effect if the device
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is manually powered off. Not all Digital TV adapters support this ioctl.
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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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