| .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later |
| |
| .. _AUDIO_SET_AV_SYNC: |
| |
| ================= |
| AUDIO_SET_AV_SYNC |
| ================= |
| |
| Name |
| ---- |
| |
| AUDIO_SET_AV_SYNC |
| |
| .. attention:: This ioctl is deprecated |
| |
| Synopsis |
| -------- |
| |
| .. c:function:: int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state) |
| :name: AUDIO_SET_AV_SYNC |
| |
| |
| Arguments |
| --------- |
| |
| .. flat-table:: |
| :header-rows: 0 |
| :stub-columns: 0 |
| |
| |
| - |
| |
| - int fd |
| |
| - File descriptor returned by a previous call to open(). |
| |
| - |
| |
| - boolean state |
| |
| - Tells the Digital TV subsystem if A/V synchronization shall be ON or OFF. |
| |
| TRUE: AV-sync ON |
| |
| FALSE: AV-sync OFF |
| |
| |
| Description |
| ----------- |
| |
| This ioctl call asks the Audio Device to turn ON or OFF A/V |
| synchronization. |
| |
| |
| Return Value |
| ------------ |
| |
| On success 0 is returned, on error -1 and the ``errno`` variable is set |
| appropriately. The generic error codes are described at the |
| :ref:`Generic Error Codes <gen-errors>` chapter. |
