1 ===========================
2 Standard ALSA Control Names
3 ===========================
5 This document describes standard names of mixer controls.
9 Syntax: [LOCATION] SOURCE [CHANNEL] [DIRECTION] FUNCTION
14 ================ ===============
15 <nothing> both directions
16 Playback one direction
18 Bypass Playback one direction
19 Bypass Capture one direction
20 ================ ===============
24 ======== =================================
27 Route route control, hardware specific
28 ======== =================================
32 ============ ==================================================
33 <nothing> channel independent, or applies to all channels
34 Front front left/right channels
35 Surround rear left/right in 4.0/5.1 surround
39 Side side left/right for 7.1 surround
40 ============ ==================================================
42 LOCATION (Physical location of source)
43 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
44 ============ =====================
47 Dock on docking station
49 ============ =====================
53 =================== =================================================
57 Speaker internal speaker
58 Bass Speaker internal LFE speaker
68 Headset Mic mic part of combined headset jack - 4-pin
70 Headphone Mic mic part of either/or - 3-pin headphone or mic
71 Line input only, use "Line Out" for output
79 Analog Loopback D/A -> A/D loopback
80 Digital Loopback playback -> capture loopback -
94 HDMI/DP either HDMI or DisplayPort
95 =================== =================================================
97 Exceptions (deprecated)
98 -----------------------
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
106 Tone Control - Switch
108 Tone Control - Treble
116 ===================================== =======================
121 =================== ========================================
122 Sample Clock Source { "Word", "Internal", "AutoSync" }
123 Clock Sync Status { "Lock", "Sync", "No Lock" }
124 External Rate external capture rate
125 Capture Rate capture rate taken from external source
126 =================== ========================================
128 IEC958 (S/PDIF) interface
129 -------------------------
131 ============================================ ======================================
132 IEC958 [...] [Playback|Capture] Switch turn on/off the IEC958 interface
133 IEC958 [...] [Playback|Capture] Volume digital volume control
134 IEC958 [...] [Playback|Capture] Default default or global value - read/write
135 IEC958 [...] [Playback|Capture] Mask consumer and professional mask
136 IEC958 [...] [Playback|Capture] Con Mask consumer mask
137 IEC958 [...] [Playback|Capture] Pro Mask professional mask
138 IEC958 [...] [Playback|Capture] PCM Stream the settings assigned to a PCM stream
139 IEC958 Q-subcode [Playback|Capture] Default Q-subcode bits
141 IEC958 Preamble [Playback|Capture] Default burst preamble words (4*16bits)
142 ============================================ ======================================