1 .. SPDX-License-Identifier: GFDL-1.1-no-invari 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.fe 2 .. c:namespace:: DTV.fe
3 3
4 .. _FE_DISEQC_RESET_OVERLOAD: 4 .. _FE_DISEQC_RESET_OVERLOAD:
5 5
6 ****************************** 6 ******************************
7 ioctl FE_DISEQC_RESET_OVERLOAD 7 ioctl FE_DISEQC_RESET_OVERLOAD
8 ****************************** 8 ******************************
9 9
10 Name 10 Name
11 ==== 11 ====
12 12
13 FE_DISEQC_RESET_OVERLOAD - Restores the power 13 FE_DISEQC_RESET_OVERLOAD - Restores the power to the antenna subsystem, if it was powered off due - to power overload.
14 14
15 Synopsis 15 Synopsis
16 ======== 16 ========
17 17
18 .. c:macro:: FE_DISEQC_RESET_OVERLOAD 18 .. c:macro:: FE_DISEQC_RESET_OVERLOAD
19 19
20 ``int ioctl(int fd, FE_DISEQC_RESET_OVERLOAD, 20 ``int ioctl(int fd, FE_DISEQC_RESET_OVERLOAD, NULL)``
21 21
22 Arguments 22 Arguments
23 ========= 23 =========
24 24
25 ``fd`` 25 ``fd``
26 File descriptor returned by :c:func:`open( 26 File descriptor returned by :c:func:`open()`.
27 27
28 Description 28 Description
29 =========== 29 ===========
30 30
31 If the bus has been automatically powered off 31 If the bus has been automatically powered off due to power overload,
32 this ioctl call restores the power to the bus. 32 this ioctl call restores the power to the bus. The call requires
33 read/write access to the device. This call has 33 read/write access to the device. This call has no effect if the device
34 is manually powered off. Not all Digital TV ad 34 is manually powered off. Not all Digital TV adapters support this ioctl.
35 35
36 Return Value 36 Return Value
37 ============ 37 ============
38 38
39 On success 0 is returned. 39 On success 0 is returned.
40 40
41 On error -1 is returned, and the ``errno`` var 41 On error -1 is returned, and the ``errno`` variable is set
42 appropriately. 42 appropriately.
43 43
44 Generic error codes are described at the 44 Generic error codes are described at the
45 :ref:`Generic Error Codes <gen-errors>` chapte 45 :ref:`Generic Error Codes <gen-errors>` chapter.
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