/usr/share/pulseaudio/alsa-mixer/paths/analog-input-mic.conf is in pulseaudio 1:11.1-1ubuntu7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | # This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
; For devices where a 'Mic' or 'Mic Boost' element exists
;
; See analog-output.conf.common for an explanation on the directives
[General]
priority = 87
description-key = analog-input-microphone
[Jack Mic]
required-any = any
[Jack Mic Phantom]
required-any = any
state.plugged = unknown
state.unplugged = unknown
[Element Capture]
switch = mute
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right
[Element Mic Boost]
required-any = any
switch = select
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right
[Option Mic Boost:on]
name = input-boost-on
[Option Mic Boost:off]
name = input-boost-off
[Element Mic]
required-any = any
switch = mute
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right
[Element Input Source]
enumeration = select
[Option Input Source:Mic]
name = analog-input-microphone
required-any = any
[Element Capture Source]
enumeration = select
[Option Capture Source:Mic]
name = analog-input-microphone
required-any = any
[Element PCM Capture Source]
enumeration = select
[Option PCM Capture Source:Mic]
name = analog-input-microphone
required-any = any
[Option PCM Capture Source:Mic-In/Mic Array]
name = analog-input-microphone
required-any = any
;;; Some AC'97s have "Mic Select" and "Mic Boost (+20dB)"
[Element Mic Select]
enumeration = select
[Option Mic Select:Mic1]
name = input-microphone
priority = 20
[Option Mic Select:Mic2]
name = input-microphone
priority = 19
[Element Mic Boost (+20dB)]
switch = select
volume = merge
[Option Mic Boost (+20dB):on]
name = input-boost-on
[Option Mic Boost (+20dB):off]
name = input-boost-off
[Element Front Mic]
switch = off
volume = off
[Element Internal Mic]
switch = off
volume = off
[Element Rear Mic]
switch = off
volume = off
[Element Dock Mic]
switch = off
volume = off
[Element Dock Mic Boost]
switch = off
volume = off
[Element Internal Mic Boost]
switch = off
volume = off
[Element Front Mic Boost]
switch = off
volume = off
[Element Rear Mic Boost]
switch = off
volume = off
.include analog-input-mic.conf.common
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