1 ===========================
2 Standard ALSA Control Names
3 ===========================
4
5 This document describes standard names of mixer controls.
6
7 Standard Syntax
8 ---------------
9 Syntax: [LOCATION] SOURCE [CHANNEL] [DIRECTION] FUNCTION
10
11
12 DIRECTION
13 ~~~~~~~~~
14 ================ ===============
15 <nothing> both directions
16 Playback one direction
17 Capture one direction
18 Bypass Playback one direction
19 Bypass Capture one direction
20 ================ ===============
21
22 FUNCTION
23 ~~~~~~~~
24 ======== =================================
25 Switch on/off switch
26 Volume amplifier
27 Route route control, hardware specific
28 ======== =================================
29
30 CHANNEL
31 ~~~~~~~
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
36 CLFE C/LFE channels
37 Center center channel
38 LFE LFE channel
39 Side side left/right for 7.1 surround
40 ============ ==================================================
41
42 LOCATION (Physical location of source)
43 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
44 ============ =====================
45 Front front position
46 Rear rear position
47 Dock on docking station
48 Internal internal
49 ============ =====================
50
51 SOURCE
52 ~~~~~~
53 =================== =================================================
54 Master
55 Master Mono
56 Hardware Master
57 Speaker internal speaker
58 Bass Speaker internal LFE speaker
59 Headphone
60 Line Out
61 Beep beep generator
62 Phone
63 Phone Input
64 Phone Output
65 Synth
66 FM
67 Mic
68 Headset Mic mic part of combined headset jack - 4-pin
69 headphone + mic
70 Headphone Mic mic part of either/or - 3-pin headphone or mic
71 Line input only, use "Line Out" for output
72 CD
73 Video
74 Zoom Video
75 Aux
76 PCM
77 PCM Pan
78 Loopback
79 Analog Loopback D/A -> A/D loopback
80 Digital Loopback playback -> capture loopback -
81 without analog path
82 Mono
83 Mono Output
84 Multi
85 ADC
86 Wave
87 Music
88 I2S
89 IEC958
90 HDMI
91 SPDIF output only
92 SPDIF In
93 Digital In
94 HDMI/DP either HDMI or DisplayPort
95 =================== =================================================
96
97 Exceptions (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
106 Tone Control - Switch
107 Tone Control - Bass
108 Tone Control - Treble
109 3D Control - Switch
110 3D Control - Center
111 3D Control - Depth
112 3D Control - Wide
113 3D Control - Space
114 3D Control - Level
115 Mic Boost [(?dB)]
116 ===================================== =======================
117
118 PCM interface
119 -------------
120
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 =================== ========================================
127
128 IEC958 (S/PDIF) interface
129 -------------------------
130
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
140
141 IEC958 Preamble [Playback|Capture] Default burst preamble words (4*16bits)
142 ============================================ ======================================
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