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===========================
Standard ALSA Control Names
===========================
This document describes standard names of mixer controls.
Standard Syntax
---------------
Syntax: [LOCATION] SOURCE [CHANNEL] [DIRECTION] FUNCTION
DIRECTION
~~~~~~~~~
================ ===============
<nothing> both directions
Playback one direction
Capture one direction
Bypass Playback one direction
Bypass Capture one direction
================ ===============
FUNCTION
~~~~~~~~
======== =================================
Switch on/off switch
Volume amplifier
Route route control, hardware specific
======== =================================
CHANNEL
~~~~~~~
============ ==================================================
<nothing> channel independent, or applies to all channels
Front front left/right channels
Surround rear left/right in 4.0/5.1 surround
CLFE C/LFE channels
Center center cannel
LFE LFE channel
Side side left/right for 7.1 surround
============ ==================================================
LOCATION (Physical location of source)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
============ =====================
Front front position
Rear rear position
Dock on docking station
Internal internal
============ =====================
SOURCE
~~~~~~
=================== =================================================
Master
Master Mono
Hardware Master
Speaker internal speaker
Bass Speaker internal LFE speaker
Headphone
Line Out
Beep beep generator
Phone
Phone Input
Phone Output
Synth
FM
Mic
Headset Mic mic part of combined headset jack - 4-pin
headphone + mic
Headphone Mic mic part of either/or - 3-pin headphone or mic
Line input only, use "Line Out" for output
CD
Video
Zoom Video
Aux
PCM
PCM Pan
Loopback
Analog Loopback D/A -> A/D loopback
Digital Loopback playback -> capture loopback -
without analog path
Mono
Mono Output
Multi
ADC
Wave
Music
I2S
IEC958
HDMI
SPDIF output only
SPDIF In
Digital In
HDMI/DP either HDMI or DisplayPort
=================== =================================================
Exceptions (deprecated)
-----------------------
===================================== =======================
[Analogue|Digital] Capture Source
[Analogue|Digital] Capture Switch aka input gain switch
[Analogue|Digital] Capture Volume aka input gain volume
[Analogue|Digital] Playback Switch aka output gain switch
[Analogue|Digital] Playback Volume aka output gain volume
Tone Control - Switch
Tone Control - Bass
Tone Control - Treble
3D Control - Switch
3D Control - Center
3D Control - Depth
3D Control - Wide
3D Control - Space
3D Control - Level
Mic Boost [(?dB)]
===================================== =======================
PCM interface
-------------
=================== ========================================
Sample Clock Source { "Word", "Internal", "AutoSync" }
Clock Sync Status { "Lock", "Sync", "No Lock" }
External Rate external capture rate
Capture Rate capture rate taken from external source
=================== ========================================
IEC958 (S/PDIF) interface
-------------------------
============================================ ======================================
IEC958 [...] [Playback|Capture] Switch turn on/off the IEC958 interface
IEC958 [...] [Playback|Capture] Volume digital volume control
IEC958 [...] [Playback|Capture] Default default or global value - read/write
IEC958 [...] [Playback|Capture] Mask consumer and professional mask
IEC958 [...] [Playback|Capture] Con Mask consumer mask
IEC958 [...] [Playback|Capture] Pro Mask professional mask
IEC958 [...] [Playback|Capture] PCM Stream the settings assigned to a PCM stream
IEC958 Q-subcode [Playback|Capture] Default Q-subcode bits
IEC958 Preamble [Playback|Capture] Default burst preamble words (4*16bits)
============================================ ======================================
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