=========================== Standard ALSA Control Names =========================== This document describes standard names of mixer controls. Standard Syntax --------------- Syntax: [LOCATION] SOURCE [CHANNEL] [DIRECTION] FUNCTION DIRECTION ~~~~~~~~~ ================ =============== 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 ~~~~~~~ ============ ================================================== 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) ============================================ ======================================