1*793e52d4SMauro Carvalho Chehab.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2*793e52d4SMauro Carvalho Chehab.. c:namespace:: DTV.audio 3*793e52d4SMauro Carvalho Chehab 4*793e52d4SMauro Carvalho Chehab.. _AUDIO_SET_BYPASS_MODE: 5*793e52d4SMauro Carvalho Chehab 6*793e52d4SMauro Carvalho Chehab===================== 7*793e52d4SMauro Carvalho ChehabAUDIO_SET_BYPASS_MODE 8*793e52d4SMauro Carvalho Chehab===================== 9*793e52d4SMauro Carvalho Chehab 10*793e52d4SMauro Carvalho ChehabName 11*793e52d4SMauro Carvalho Chehab---- 12*793e52d4SMauro Carvalho Chehab 13*793e52d4SMauro Carvalho ChehabAUDIO_SET_BYPASS_MODE 14*793e52d4SMauro Carvalho Chehab 15*793e52d4SMauro Carvalho Chehab.. attention:: This ioctl is deprecated 16*793e52d4SMauro Carvalho Chehab 17*793e52d4SMauro Carvalho ChehabSynopsis 18*793e52d4SMauro Carvalho Chehab-------- 19*793e52d4SMauro Carvalho Chehab 20*793e52d4SMauro Carvalho Chehab.. c:macro:: AUDIO_SET_BYPASS_MODE 21*793e52d4SMauro Carvalho Chehab 22*793e52d4SMauro Carvalho Chehab``int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode)`` 23*793e52d4SMauro Carvalho Chehab 24*793e52d4SMauro Carvalho ChehabArguments 25*793e52d4SMauro Carvalho Chehab--------- 26*793e52d4SMauro Carvalho Chehab 27*793e52d4SMauro Carvalho Chehab.. flat-table:: 28*793e52d4SMauro Carvalho Chehab :header-rows: 0 29*793e52d4SMauro Carvalho Chehab :stub-columns: 0 30*793e52d4SMauro Carvalho Chehab 31*793e52d4SMauro Carvalho Chehab - 32*793e52d4SMauro Carvalho Chehab 33*793e52d4SMauro Carvalho Chehab - int fd 34*793e52d4SMauro Carvalho Chehab 35*793e52d4SMauro Carvalho Chehab - File descriptor returned by a previous call to open(). 36*793e52d4SMauro Carvalho Chehab 37*793e52d4SMauro Carvalho Chehab - 38*793e52d4SMauro Carvalho Chehab 39*793e52d4SMauro Carvalho Chehab - boolean mode 40*793e52d4SMauro Carvalho Chehab 41*793e52d4SMauro Carvalho Chehab - Enables or disables the decoding of the current Audio stream in 42*793e52d4SMauro Carvalho Chehab the Digital TV subsystem. 43*793e52d4SMauro Carvalho Chehab 44*793e52d4SMauro Carvalho Chehab TRUE: Bypass is disabled 45*793e52d4SMauro Carvalho Chehab 46*793e52d4SMauro Carvalho Chehab FALSE: Bypass is enabled 47*793e52d4SMauro Carvalho Chehab 48*793e52d4SMauro Carvalho ChehabDescription 49*793e52d4SMauro Carvalho Chehab----------- 50*793e52d4SMauro Carvalho Chehab 51*793e52d4SMauro Carvalho ChehabThis ioctl call asks the Audio Device to bypass the Audio decoder and 52*793e52d4SMauro Carvalho Chehabforward the stream without decoding. This mode shall be used if streams 53*793e52d4SMauro Carvalho Chehabthat can't be handled by the Digital TV system shall be decoded. Dolby 54*793e52d4SMauro Carvalho ChehabDigitalTM streams are automatically forwarded by the Digital TV subsystem if 55*793e52d4SMauro Carvalho Chehabthe hardware can handle it. 56*793e52d4SMauro Carvalho Chehab 57*793e52d4SMauro Carvalho ChehabReturn Value 58*793e52d4SMauro Carvalho Chehab------------ 59*793e52d4SMauro Carvalho Chehab 60*793e52d4SMauro Carvalho ChehabOn success 0 is returned, on error -1 and the ``errno`` variable is set 61*793e52d4SMauro Carvalho Chehabappropriately. The generic error codes are described at the 62*793e52d4SMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter. 63