Hi ive got a new usb soundcard with the brand new C-Media 6632A chip and want to help with debugging.
xonar u7 in usb 2.0 mode C-Media 6632A Ubuntu 13.04
julius@R850:~$ alsactl init 1
Found hardware: "USB-Audio" "USB Mixer" "USB1043:857c" "" ""
Hardware is initialized using a generic method
julius@R850:~$ alsamixer -c 1
cannot load mixer controls: Broken pipe
alsa hardware volume (numid=2,iface=MIXER,name='Speaker Playback Volume')
level on start is way to low and can only be adjusted via QasHctl.
The volume knob on soundcard works for pulseaudio volume.
spdif can only be used via direct alsa access without pulseaudio.
alsa-info script results http://pastebin.ca/2409660
julius@R850:~$ amixer -c 1 controls
numid=7,iface=MIXER,name='PCM Capture Source'
numid=5,iface=MIXER,name='PCM Capture Switch'
numid=6,iface=MIXER,name='PCM Capture Switch',index=1
numid=4,iface=MIXER,name='IEC958 In Playback Switch'
numid=3,iface=MIXER,name='Input Gain Pad Control'
numid=1,iface=MIXER,name='Speaker Playback Switch'
numid=2,iface=MIXER,name='Speaker Playback Volume'
[ 8219.399637] usb 2-1.2.3: new high-speed USB device number 22 using ehci-pci
[ 8219.513315] usb 2-1.2.3: New USB device found, idVendor=1043, idProduct=857c
[ 8219.513327] usb 2-1.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 8219.513333] usb 2-1.2.3: Product: Xonar U7
[ 8219.513338] usb 2-1.2.3: Manufacturer: ASUS
[ 8219.609328] input: ASUS Xonar U7 as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.3/2-1.2.3:1.4/input/input29
[ 8219.609743] hid-generic 0003:1043:857C.0016: input,hidraw4: USB HID v1.00 Device [ASUS Xonar U7] on usb-0000:00:1d.0-1.2.3/input4
[ 8219.676164] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
[ 8219.697280] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
[ 8219.718770] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
[ 8219.738130] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
[ 8219.757999] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
[ 8219.779861] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
[ 8219.800222] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
[ 8219.823964] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
[ 8520.766440] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
[ 8539.332352] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
julius@R850:~$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version k3.8.0-25-generic.
julius@R850:~$ cat /proc/asound/cards
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xc4820000 irq 50
1 [U7 ]: USB-Audio - Xonar U7
ASUS Xonar U7 at usb-0000:00:1d.0-1.2.3, high speed
julius@R850:~$ lsmod | grep snd
snd_hda_codec_hdmi 36913 1
snd_hda_codec_realtek 78399 1
snd_usb_audio 140685 0
snd_usbmidi_lib 24938 1 snd_usb_audio
snd_hda_intel 39619 3
snd_hda_codec 136453 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep 13602 2 snd_usb_audio,snd_hda_codec
snd_pcm 97451 4 snd_usb_audio,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc 18710 2 snd_pcm,snd_hda_intel
snd_seq_midi 13324 0
snd_seq_midi_event 14899 1 snd_seq_midi
snd_rawmidi 30180 2 snd_usbmidi_lib,snd_seq_midi
snd_seq 61554 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 29425 2 snd_pcm,snd_seq
snd 68876 18 snd_hda_codec_realtek,snd_usb_audio,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_usbmidi_lib,snd_hda_codec,snd_hda_intel,snd_seq_device
soundcore 12680 1 snd
julius@R850:~$ lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 021: ID 18d1:4ee1 Google Inc.
Bus 002 Device 015: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 002 Device 016: ID 046d:c245 Logitech, Inc.
Bus 002 Device 017: ID 05a4:9881 Ortek Technology, Inc.
Bus 002 Device 022: ID 1043:857c iCreate Technologies Corp.
Bus 002 Device 020: ID 046a:0180 Cherry GmbH
julius@R850:~$ dpkg -l | grep alsa
ii alsa-base 1.0.25+dfsg-0ubuntu4 all ALSA driver configuration files
ii alsa-utils 1.0.25-4ubuntu2 amd64 Utilities for configuring and using ALSA
ii bluez-alsa:amd64 4.101-0ubuntu8b1 amd64 Bluetooth ALSA support
ii gstreamer0.10-alsa:amd64 0.10.36-1.1ubuntu1 amd64 GStreamer plugin for ALSA
ii gstreamer1.0-alsa:amd64 1.0.6-1 amd64 GStreamer plugin for ALSA
Mit freundlichen Grüßen Julius Alexander Kohout edler von Dolnobransky
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