| =========================== |
| 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 channel |
| 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) |
| ============================================ ====================================== |
