[linux-audio-user] RME9652 and Stereo

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Subject: [linux-audio-user] RME9652 and Stereo
From: Phil Moors (pmoors@greenbelt.com)
Date: Tue Jan 21 2003 - 02:39:45 EET

alsa-0.9.0rc6
RH7.3
kernel 2.4.19 with Andrew Morton's low latency patches
ASUS A7M266 Mobo w/Duron 750 single proc

I have compiled, installed and loaded the ALSA rme9652 driver. It's
compiled without OSS. Using arecord/aplay, I can only record and playback
files in mono format. Stereo is eluding me. Pardon the ascii art,
monospace font required. My configuration is:

                LineIn1 LineIn2
                Mic ElecBass
                 | |
                 | |
   main out-----Mackie 1202-VLZpro -----LineIn 5/6
        L/R |
         | |
         | |
        input--- ---output
        L/R | | L/R
                ART DI/O 2 channel
                24bit AD/DA converter
                 | |
        S/PDIF---- ----S/PDIF
        RCA out RCA in
           | |
           | |
        S/PDIF S/PDIF
        RCA in RCA out
           | |
           -----Hammerfall---------------------

Also, I can only arecord/aplay using the plug layer. All attempts to use
hw fail with:

        aplay: set_params:781: Access type not available

The consumer card is card0 (cs46xx, Hercules Game Theater). My .asoundrc
is:

pcm.Crystal {
        type hw
        card 0
}
ctl.Crystal {
        type hw
        card 0
}
pcm.RME9652 {
        type hw
        card 1
}
ctl.RME9652 {
        type hw
        card 1
}

I used alsactl store/restore to enable the S/PDIF on the Hammerfall. It
works fine for mono recording and playback. The card is set to AutoSync
and I can see sample rate changes made on the ART converter picked up in
the Hammerfall.

Thanks for any help,

Phil

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