summaryrefslogtreecommitdiffstats
path: root/Documentation/userspace-api/media/dvb/audio-set-mixer.rst
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/userspace-api/media/dvb/audio-set-mixer.rst')
-rw-r--r--Documentation/userspace-api/media/dvb/audio-set-mixer.rst53
1 files changed, 53 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/dvb/audio-set-mixer.rst b/Documentation/userspace-api/media/dvb/audio-set-mixer.rst
new file mode 100644
index 000000000..45dbdf480
--- /dev/null
+++ b/Documentation/userspace-api/media/dvb/audio-set-mixer.rst
@@ -0,0 +1,53 @@
+.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: DTV.audio
+
+.. _AUDIO_SET_MIXER:
+
+===============
+AUDIO_SET_MIXER
+===============
+
+Name
+----
+
+AUDIO_SET_MIXER
+
+.. attention:: This ioctl is deprecated
+
+Synopsis
+--------
+
+.. c:macro:: AUDIO_SET_MIXER
+
+``int ioctl(int fd, AUDIO_SET_MIXER, struct audio_mixer *mix)``
+
+Arguments
+---------
+
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
+
+ -
+
+ - int fd
+
+ - File descriptor returned by a previous call to open().
+
+ -
+
+ - audio_mixer_t \*mix
+
+ - mixer settings.
+
+Description
+-----------
+
+This ioctl lets you adjust the mixer settings of the audio decoder.
+
+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.