note

adb problem

ref: Remote debug Android by adb tool

$ mv /dev/android_adb /dev/android_adb_bk

$ kill adbd process

set the capture volume to 0

$ alsa_amixer set 'Analog' 0 

其他指令

$ alsa_amixer get 'Headset' 

$ alsa_amixer get 'Analog' 

make boot.scr

ref: BeagleEditBootscr

$ dd if=boot.scr of=boot.script bs=1 skip=72

$ mkimage -A arm -T script -C none -n "Ubuntu boot script" -d boot.script boot.scr