/usr/share/pulseaudio/alsa-mixer/paths/tegra-nexus7-intmic.conf is in ubuntu-defaults-nexus7 0.54.
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 | [General]
priority = 90
name = analog-input-microphone-internal
[Element ADC]
; For some reason the ADC volume seems not to be affecting input gain
switch = mute
volume = zero
override-map.1 = all
override-map.2 = all-left,all-right
[Element ADC Boost Gain]
switch = mute
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right
[Element Int Mic]
switch = mute
[Element DMIC]
enumeration = select
[Option DMIC:DMIC1]
priority = 89
name = analog-input-internal-microphone
|