http://git.alsa-project.org/?p=alsa-lib.git;a=blob_plain;f=test/chmap.c;hb=HEAD
compile and run the program to query the channel map
./chmap query -D hw:0,0
http:// git.alsa- project. org/?p= alsa-lib. git;a=blob_ plain;f= test/chmap. c;hb=HEAD
compile and run the program to query the channel map
./chmap query -D hw:0,0