1=========================== 2Standard ALSA Control Names 3=========================== 4 5This document describes standard names of mixer controls. 6 7Standard Syntax 8--------------- 9Syntax: [LOCATION] SOURCE [CHANNEL] [DIRECTION] FUNCTION 10 11 12DIRECTION 13~~~~~~~~~ 14================ =============== 15<nothing> both directions 16Playback one direction 17Capture one direction 18Bypass Playback one direction 19Bypass Capture one direction 20================ =============== 21 22FUNCTION 23~~~~~~~~ 24======== ================================= 25Switch on/off switch 26Volume amplifier 27Route route control, hardware specific 28======== ================================= 29 30CHANNEL 31~~~~~~~ 32============ ================================================== 33<nothing> channel independent, or applies to all channels 34Front front left/right channels 35Surround rear left/right in 4.0/5.1 surround 36CLFE C/LFE channels 37Center center channel 38LFE LFE channel 39Side side left/right for 7.1 surround 40============ ================================================== 41 42LOCATION (Physical location of source) 43~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 44============ ===================== 45Front front position 46Rear rear position 47Dock on docking station 48Internal internal 49============ ===================== 50 51SOURCE 52~~~~~~ 53=================== ================================================= 54Master 55Master Mono 56Hardware Master 57Speaker internal speaker 58Bass Speaker internal LFE speaker 59Headphone 60Line Out 61Beep beep generator 62Phone 63Phone Input 64Phone Output 65Synth 66FM 67Mic 68Headset Mic mic part of combined headset jack - 4-pin 69 headphone + mic 70Headphone Mic mic part of either/or - 3-pin headphone or mic 71Line input only, use "Line Out" for output 72CD 73Video 74Zoom Video 75Aux 76PCM 77PCM Pan 78Loopback 79Analog Loopback D/A -> A/D loopback 80Digital Loopback playback -> capture loopback - 81 without analog path 82Mono 83Mono Output 84Multi 85ADC 86Wave 87Music 88I2S 89IEC958 90HDMI 91SPDIF output only 92SPDIF In 93Digital In 94HDMI/DP either HDMI or DisplayPort 95=================== ================================================= 96 97Exceptions (deprecated) 98----------------------- 99 100===================================== ======================= 101[Analogue|Digital] Capture Source 102[Analogue|Digital] Capture Switch aka input gain switch 103[Analogue|Digital] Capture Volume aka input gain volume 104[Analogue|Digital] Playback Switch aka output gain switch 105[Analogue|Digital] Playback Volume aka output gain volume 106Tone Control - Switch 107Tone Control - Bass 108Tone Control - Treble 1093D Control - Switch 1103D Control - Center 1113D Control - Depth 1123D Control - Wide 1133D Control - Space 1143D Control - Level 115Mic Boost [(?dB)] 116===================================== ======================= 117 118PCM interface 119------------- 120 121=================== ======================================== 122Sample Clock Source { "Word", "Internal", "AutoSync" } 123Clock Sync Status { "Lock", "Sync", "No Lock" } 124External Rate external capture rate 125Capture Rate capture rate taken from external source 126=================== ======================================== 127 128IEC958 (S/PDIF) interface 129------------------------- 130 131============================================ ====================================== 132IEC958 [...] [Playback|Capture] Switch turn on/off the IEC958 interface 133IEC958 [...] [Playback|Capture] Volume digital volume control 134IEC958 [...] [Playback|Capture] Default default or global value - read/write 135IEC958 [...] [Playback|Capture] Mask consumer and professional mask 136IEC958 [...] [Playback|Capture] Con Mask consumer mask 137IEC958 [...] [Playback|Capture] Pro Mask professional mask 138IEC958 [...] [Playback|Capture] PCM Stream the settings assigned to a PCM stream 139IEC958 Q-subcode [Playback|Capture] Default Q-subcode bits 140 141IEC958 Preamble [Playback|Capture] Default burst preamble words (4*16bits) 142============================================ ====================================== 143