hi Joachim i have hearing the music . Thanks. just use #aplay music.wav
Before that i recompile the alsa-lib again. change configure options later i will paste the whole commands so as anybody can reference it . Joachim Förster wrote: > > Hi Qin Lin, > > On Sun, 2007-07-29 at 22:40 -0700, Qin Lin wrote: >> # insmod ac97_bus.ko >> # insmod snd-ac97-codec.ko >> # insmod ml403_ac97cr.ko >> [ 79.529114] ml403_ac97cr: remap controller memory region to 0xc500e000 >> done >> [ 79.611803] ml403_ac97cr: request (playback) irq 7 done >> [ 79.674236] ml403_ac97cr: request (capture) irq 6 done >> [ 79.784291] snd-ml403_ac97cr: write access to codec register 0x26 with >> bad value 0x800f / 32783! >> [ 79.900247] snd-ml403_ac97cr: write access to codec register 0x26 with >> bad value 0xf / 15! >> [ 80.004284] snd-ml403_ac97cr: write access to codec register 0x2a with >> bad value 0x2801 / 10241! >> [ 80.116228] snd-ml403_ac97cr: write access to codec register 0x2a with >> bad value 0x3801 / 14337! > > Completely fine. > >> # ls -l /dev/snd >> crw-rw-rw- 1 root root 116, 0 Jan 1 00:01 controlC0 >> crw-rw-rw- 1 root root 116, 4 Jan 1 00:01 hwC0D0 >> crw-rw-rw- 1 root root 116, 5 Jan 1 00:01 hwC0D1 >> crw-rw-rw- 1 root root 116, 6 Jan 1 00:01 hwC0D2 >> crw-rw-rw- 1 root root 116, 7 Jan 1 00:01 hwC0D3 >> crw-rw-rw- 1 root root 116, 24 Jan 1 00:01 pcmC0D0c >> crw-rw-rw- 1 root root 116, 16 Jan 1 00:01 pcmC0D0p >> crw-rw-rw- 1 root root 116, 1 Jan 1 00:01 seq >> crw-rw-rw- 1 root root 116, 33 Jan 1 00:01 timer > > Ok, should suffice. [In my case snddevices made many other device > files.] > >> # aplay -D /dev/snd/pcmC0D0p >> ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM /dev/snd/pcmC0D0p > > Well, I think the way you specify the device is wrong. AFAIK the -D > option only accepts names which are defined in an ALSA configuration > file (.asoundrc & friends). > Furthermore: Did you try without any device (without -D option)? The > defaults should make ALSA pick the first available sound device. At > least, while I was testing, I didn't have to specify any device. > > BTW: You need to specify the (.wav) file you want to play: > # aplay music.wav > Otherwise you won't here anything ;-). Read "man aplay" ! > >> # ./test_sound.out /dev/snd/pcmC0D0p >> ALSA lib pcm.c:2090:(snd_pcm_open_noupdate) Unknown PCM /dev/snd/pcmC0D0p >> cannot open audio device /dev/snd/pcmC0D0p (No such file or directory) > > Ditto. But I haven't had a look into test_sound source yet, but it might > be the same issue. > > Joachim > > > > _______________________________________________ > Linuxppc-embedded mailing list > [email protected] > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > > -- View this message in context: http://www.nabble.com/Re%3A-ml403-ac97-driver-tf4164866.html#a11859770 Sent from the linuxppc-embedded mailing list archive at Nabble.com. _______________________________________________ Linuxppc-embedded mailing list [email protected] https://ozlabs.org/mailman/listinfo/linuxppc-embedded
