On Fri, 2016-10-21 at 12:08 +0200, Piotr Lewicki wrote: > Hi, > > I want to use aplay to play a sound on raspberry pi 3, but for some > reason it does not work for me. > > I have built a new "rpi-test-image" with only one difference from > original- I added "alsa-utils" to the image. > > My steps: > > 1. I ssh'd to the board with the built image, > > 2. downloaded wav sample ("wget > http://freewavesamples.com/files/Korg-Triton-Harmonica-C5.wav"), > > 3. enabled the sound kernel module ("modprobe snd-bcm2835"), > > 4. tried to play it with "aplay" tool. > > > It did not work and I got an error: > > root@raspberrypi3:~# aplay ./Korg-Triton-Harmonica-C5.wav > ALSA lib ../../alsa-lib-1.1.2/src/confmisc.c:767:(parse_card) cannot > find card '0' > ALSA lib ../../alsa-lib-1.1.2/src/conf.c:4371:(_snd_config_evaluate) > function snd_func_card_driver returned error: No such file or directory > ALSA lib ../../alsa-lib-1.1.2/src/confmisc.c:392:(snd_func_concat) error > evaluating strings > ALSA lib ../../alsa-lib-1.1.2/src/conf.c:4371:(_snd_config_evaluate) > function snd_func_concat returned error: No such file or directory > ALSA lib ../../alsa-lib-1.1.2/src/confmisc.c:1246:(snd_func_refer) error > evaluating name > ALSA lib ../../alsa-lib-1.1.2/src/conf.c:4371:(_snd_config_evaluate) > function snd_func_refer returned error: No such file or directory > ALSA lib ../../alsa-lib-1.1.2/src/conf.c:4850:(snd_config_expand) > Evaluate error: No such file or directory > ALSA lib > ../../../alsa-lib-1.1.2/src/pcm/pcm.c:2450:(snd_pcm_open_noupdate) > Unknown PCM default > aplay: main:786: audio open error: No such file or directory
It looks like the default alsa device is configured to use card 0, but card 0 doesn't exist. What do "cat /proc/asound/cards" and "ls -l /dev/snd" print? -- Tanu -- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto