Subject: [linux-audio-user] Advanced Linux Sound(ALSA), PPC, M-audio Duo
From: John M Phillips (phillipsjohnm_AT_earthlink.net)
Date: Sun Dec 08 2002 - 00:09:36 EET
I am trying to user USB-AUDIO product with a TI laptop for a portable
digital recorder.
I have followed the instructions at
http://www.alsa-project.org/alsa-doc/doc-php/template.php3
?company=Midiman&card=USB+Audio+Duo&chip=Cypress+AN2131XX&module=usb-audio
The compiles for building alsa-driver-0.9.0rc6, alsa-lib-0.9.0rc6, and
alsa-utils-0.9.0rc6 went smoothly. The utility snddevices ran with no
errors.
When running the commad alsamixer, I get the error message
"No mixer elems found."
Proc/asound appear to have the correct entries
dr-xr-xr-x 4 root root 0 Dec 7 16:55 card0
-r--r--r-- 1 root root 0 Dec 7 16:55 cards
dr-xr-xr-x 2 root root 0 Dec 7 16:55 dev
-r--r--r-- 1 root root 0 Dec 7 16:55 devices
lrwxrwxrwx 1 root root 0 Dec 7 16:55 MidimanDuo -> card0
dr-xr-xr-x 2 root root 0 Dec 7 16:55 oss
-r--r--r-- 1 root root 0 Dec 7 16:55 pcm
dr-xr-xr-x 2 root root 0 Dec 7 16:55 seq
-r--r--r-- 1 root root 0 Dec 7 16:55 timers
-r--r--r-- 1 root root 0 Dec 7 16:55 version
With Proc/asound/card0 having
-r--r--r-- 1 root root 0 Dec 7 17:00 id
-rw-r--r-- 1 root root 0 Dec 7 17:00 oss_mixer
dr-xr-xr-x 3 root root 0 Dec 7 17:00 pcm0c
dr-xr-xr-x 3 root root 0 Dec 7 17:00 pcm0p
-rw-r--r-- 1 root root 0 Dec 7 17:00 stream0
I found the contributed utility qinit and it runs
correctly with the hw name = "hw:0,0".
With the "dmasound_pmac" module,
dd if=/dev/dsp of=/tmp/sound.out bs=1024 count=1
would produce a file filled with unsigned bytes.
The rest of the day was spent trashing about in config
files to no effect.
Questions:
Should alsamixer work with the M-Audio Duo?
After enabling with qinit should dd dump data?
Any help, or fellow travellers would be appreciated.
John Phillips
This archive was generated by hypermail 2b28 : Sat Dec 07 2002 - 23:58:56 EET