Majid

I found the problem, and it is related to openwrt misconfiguration. The problem described in link below: https://git.lede-project.org/?p=source.git;a=commitdiff;h=2ab6aaca4dfe1265006dae3f3cd0fd838f9bf2af It needs to add CONFIG_SND_PCM_TIMER to /package/kernel/linux/modules/sound.mk file.

ALSA Error: "unable to open timer" using USB Sound Card

Hi I am using a USB sound card in Linux openwrt. When I want to try using alsa-lib to play sounds or voices it prints an error and do nothing. I used aplay, baresip (a sip client use alsa) and also my own program using alsa-lib to play sound but the same problem occur: ALSA lib pcm_direct.c:1137:(snd1_pcm_direct_initialize_poll_fd) unable to open timer 'hw:CLASS=3,SCLASS=0,CARD=0,DEV=0,SUBDEV=0' ALSA lib pcm_dmix.c:1101:(snd_pcm_dmix_open) unable to initialize poll_fd I can play the sounds via madplay,...