From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kuber.nabble.com (kuber.nabble.com [216.139.236.158]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 5CBDFDDE0E for ; Mon, 30 Jul 2007 18:28:38 +1000 (EST) Received: from isper.nabble.com ([192.168.236.156]) by kuber.nabble.com with esmtp (Exim 4.63) (envelope-from ) id 1IFQcE-0007Jx-VH for linuxppc-embedded@ozlabs.org; Mon, 30 Jul 2007 01:28:34 -0700 Message-ID: <11859770.post@talk.nabble.com> Date: Mon, 30 Jul 2007 01:28:34 -0700 (PDT) From: Qin Lin To: linuxppc-embedded@ozlabs.org Subject: Re: ml403 ac97 driver In-Reply-To: <1185780815.5454.18.camel@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 References: <1185698888.6397.37.camel@localhost> <11858308.post@talk.nabble.com> <1185780815.5454.18.camel@localhost> List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , hi Joachim i have hearing the music . Thanks. just use=20 #aplay music.wav=20 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 F=C3=B6rster wrote: >=20 > Hi Qin Lin, >=20 > 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 0xc500e00= 0 >> 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 wit= h >> bad value 0x800f / 32783! >> [ 79.900247] snd-ml403_ac97cr: write access to codec register 0x26 wit= h >> bad value 0xf / 15! >> [ 80.004284] snd-ml403_ac97cr: write access to codec register 0x2a wit= h >> bad value 0x2801 / 10241! >> [ 80.116228] snd-ml403_ac97cr: write access to codec register 0x2a wit= h >> bad value 0x3801 / 14337! >=20 > Completely fine. >=20 >> # 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 >=20 > Ok, should suffice. [In my case snddevices made many other device > files.] >=20 >> # aplay -D /dev/snd/pcmC0D0p >> ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM /dev/snd/pcmC0D0= p >=20 > 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. >=20 > BTW: You need to specify the (.wav) file you want to play: > # aplay music.wav > Otherwise you won't here anything ;-). Read "man aplay" ! >=20 >> # ./test_sound.out /dev/snd/pcmC0D0p=20 >> ALSA lib pcm.c:2090:(snd_pcm_open_noupdate) Unknown PCM /dev/snd/pcmC0D0= p >> cannot open audio device /dev/snd/pcmC0D0p (No such file or directory) >=20 > Ditto. But I haven't had a look into test_sound source yet, but it might > be the same issue. >=20 > Joachim >=20 >=20 >=20 > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded >=20 >=20 --=20 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.