How to use MIC & Headset on BPI-M3

Banana Pi SBCs design BPI-M3(A83T/R18)
1

Step 1: Modity rc.local

rm -f /usr/share/icons/hicolor/scalable/apps/libreoffice-*.svg || true
rm -f /usr/share/applications/squeak.desktop || true

/usr/sbin/alsactl restore
# headset mixer
/usr/bin/amixer -c 0 cset numid=114 1
/usr/bin/amixer -c 0 cset numid=65 0
/usr/bin/amixer -c 0 cset numid=66 0
/usr/bin/amixer -c 0 cset numid=75 1
/usr/bin/amixer -c 0 cset numid=68 1
/usr/bin/amixer -c 0 cset numid=84 1
/usr/bin/amixer -c 0 cset numid=88 1
/usr/bin/amixer -c 0 cset numid=104 0
/usr/bin/amixer -c 0 cset numid=103 0
/usr/bin/amixer -c 0 cset numid=26 61
# amic mixer
/usr/bin/amixer -c 0 cset numid=108 0
/usr/bin/amixer -c 0 cset numid=107 0
/usr/bin/amixer -c 0 cset numid=99 1
/usr/bin/amixer -c 0 cset numid=95 1
/usr/bin/amixer -c 0 cset numid=28 0
/usr/bin/amixer -c 0 cset numid=27 0
/usr/bin/amixer -c 0 cset numid=41 1
/usr/bin/amixer -c 0 cset numid=34 1
/usr/bin/amixer -c 0 cset numid=15 4

/usr/sbin/alsactl store

exit 0

Step 2: Install Voice Record application

sudo apt-get install audacity

Step 3: Try it

2

I try it,but can not solve the problem

3

Recorad ???

no such Thing :eyeglasses:

4

we will modify it …

5

HI: Modify rc.local.

!/bin/sh ==> !/bin/sh -x