1.. Permission is granted to copy, distribute and/or modify this 2.. document under the terms of the GNU Free Documentation License, 3.. Version 1.1 or any later version published by the Free Software 4.. Foundation, with no Invariant Sections, no Front-Cover Texts 5.. and no Back-Cover Texts. A copy of the license is included at 6.. Documentation/media/uapi/fdl-appendix.rst. 7.. 8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections 9 10.. _AUDIO_SET_MUTE: 11 12============== 13AUDIO_SET_MUTE 14============== 15 16Name 17---- 18 19AUDIO_SET_MUTE 20 21.. attention:: This ioctl is deprecated 22 23Synopsis 24-------- 25 26.. c:function:: int ioctl(int fd, AUDIO_SET_MUTE, boolean state) 27 :name: AUDIO_SET_MUTE 28 29 30Arguments 31--------- 32 33.. flat-table:: 34 :header-rows: 0 35 :stub-columns: 0 36 37 38 - 39 40 - int fd 41 42 - File descriptor returned by a previous call to open(). 43 44 - 45 46 - boolean state 47 48 - Indicates if audio device shall mute or not. 49 50 TRUE: Audio Mute 51 52 FALSE: Audio Un-mute 53 54 55Description 56----------- 57 58This ioctl is for Digital TV devices only. To control a V4L2 decoder use the 59V4L2 :ref:`VIDIOC_DECODER_CMD` with the 60``V4L2_DEC_CMD_START_MUTE_AUDIO`` flag instead. 61 62This ioctl call asks the audio device to mute the stream that is 63currently being played. 64 65 66Return Value 67------------ 68 69On success 0 is returned, on error -1 and the ``errno`` variable is set 70appropriately. The generic error codes are described at the 71:ref:`Generic Error Codes <gen-errors>` chapter. 72