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[deliverable/linux.git] / Documentation / media / uapi / dvb / fe-diseqc-reset-overload.rst
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1.. -*- coding: utf-8; mode: rst -*-
2
3.. _FE_DISEQC_RESET_OVERLOAD:
4
5******************************
6ioctl FE_DISEQC_RESET_OVERLOAD
7******************************
8
15e7d615 9Name
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586027ce 12FE_DISEQC_RESET_OVERLOAD - Restores the power to the antenna subsystem, if it was powered off due - to power overload.
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15Synopsis
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16========
17
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18.. c:function:: int ioctl( int fd, FE_DISEQC_RESET_OVERLOAD, NULL )
19 :name: FE_DISEQC_RESET_OVERLOAD
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15e7d615 22Arguments
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23=========
24
25``fd``
26 File descriptor returned by :ref:`open() <frontend_f_open>`.
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15e7d615 28Description
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29===========
30
31If the bus has been automatically powered off due to power overload,
32this ioctl call restores the power to the bus. The call requires
33read/write access to the device. This call has no effect if the device
34is manually powered off. Not all DVB adapters support this ioctl.
35
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15e7d615 37Return Value
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40On success 0 is returned, on error -1 and the ``errno`` variable is set
41appropriately. The generic error codes are described at the
42:ref:`Generic Error Codes <gen-errors>` chapter.
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