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Old 04-12-2012, 09:23 AM   #1
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Question Problem with audio card detection ?

Hi This is SrikanthPilli, i am using pandaboard(Cortex-A9), kernel (linux-3.4.rc2) and buildroot-snapshot. for my pandaboard, i installed mpg123,madplay,mpd using buildroot to play audio files.

1. when i type on console, like " aplay aaa.wav", it shows
" ALSA Lib confmisc.c:768parse_card) cannot find card '0'
ALSA Lib confmisc.c:4184_snd_config_evaluate) function snd_func_card_driver return error:no such file or directory

aplay:main:660:audio open erroe : no such file or directory"

2. when i try with "mpg123 -vC *.mp3", no error coming. all songs playing. but we are not able to audible. when i type cat /proc/asound/cards , it shows
0 [Dummy ]ummy -Dummy Dummy1
1[Loopback]:Loopback -Loopback Loopback1
2[U0x47f0xc001]: USB audio -Usb device 0x47f:0xc001 UsbDevice 0x47f:0xc001 at Usb-echi-omap.0-1.2.4 full speed

so kindly help me, why this error comings?
1. What i wanna do to solve this problem? there required any patches for this?

please help me to quit out of from this problem.

sorry about my english.

Thanks In Advance

Old 04-12-2012, 10:13 AM   #2
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Do NOT post the same question in multiple forums. Go read the rules.
Old 04-13-2012, 03:33 AM   #3
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