1.. -*- coding: utf-8; mode: rst -*- 2 3.. _AUDIO_SET_MUTE: 4 5============== 6AUDIO_SET_MUTE 7============== 8 9Name 10---- 11 12AUDIO_SET_MUTE 13 14.. attention:: This ioctl is deprecated 15 16Synopsis 17-------- 18 19.. c:function:: int ioctl(int fd, AUDIO_SET_MUTE, boolean state) 20 :name: AUDIO_SET_MUTE 21 22 23Arguments 24--------- 25 26.. flat-table:: 27 :header-rows: 0 28 :stub-columns: 0 29 30 31 - 32 33 - int fd 34 35 - File descriptor returned by a previous call to open(). 36 37 - 38 39 - boolean state 40 41 - Indicates if audio device shall mute or not. 42 43 TRUE: Audio Mute 44 45 FALSE: Audio Un-mute 46 47 48Description 49----------- 50 51This ioctl is for Digital TV devices only. To control a V4L2 decoder use the 52V4L2 :ref:`VIDIOC_DECODER_CMD` with the 53``V4L2_DEC_CMD_START_MUTE_AUDIO`` flag instead. 54 55This ioctl call asks the audio device to mute the stream that is 56currently being played. 57 58 59Return Value 60------------ 61 62On success 0 is returned, on error -1 and the ``errno`` variable is set 63appropriately. The generic error codes are described at the 64:ref:`Generic Error Codes <gen-errors>` chapter. 65