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