From linux-usb-users Wed Jul 07 21:56:44 2004 From: Rocky Zhang Date: Wed, 07 Jul 2004 21:56:44 +0000 To: linux-usb-users Subject: [Linux-usb-users] Why I can't use USB audio device when onboard audio enabled in Message-Id: <1089237403.13490.34.camel () norma ! userful ! ca> X-MARC-Message: https://marc.info/?l=linux-usb-users&m=108923914014842 Hi, I am frustrated about it. I have a machine (FC2)with on board audio, and I connect 2 Labtec USB Headset to my computer. I tested 2 different install process: 1) Disable onboard audio in BIOS, install Fedora 2, I can see 2 USB labtec Headset using "esd -h" commnad and can use in the audio applications; Then before reboot, I enable onboard audio in BIOS, after boot up, I can see all 3 audio devices now (including internal one) and work well. 2) Enable onboard audio in BIOS, install Fedora 2, I can only see internal audio device using "esd -h" command and can't use USB audio devices. Here is a dmesg output: input: USB HID v1.00 Device [Labtec Labtec USB Headset] on usb-0000:00:03.2-2 usbaudio: device 3 audiocontrol interface 0 has 1 input and 1 output AudioStreaming interfaces usbaudio: valid input sample rate 44100 usbaudio: valid input sample rate 48000 usbaudio: device 3 interface 2 altsetting 1: format 0x00000010 sratelo 44100 sratehi 48000 attributes 0x01 usbaudio: valid output sample rate 44100 usbaudio: valid output sample rate 48000 usbaudio: device 3 interface 1 altsetting 1: format 0x80000010 sratelo 44100 sratehi 48000 attributes 0x01 usbaudio: registered dsp 14,3 usbaudio: constructing mixer for Terminal 6 type 0x0301 usbaudio: warning: found 1 of 2 logical channels. usbaudio: assuming that a stereo channel connected directly to a mixer is missing in search (got Labtec headset?). Should be fine. usbaudio: registered mixer 14,0 usbaudio: constructing mixer for Terminal 11 type 0x0101 usbaudio: registered mixer 14,16 usb_audio_parsecontrol: usb_audio_state at 1f600688 usbcore: registered new driver audio drivers/usb/class/audio.c: v1.0.0:USB Audio Class driver usb 4-1.1: new full speed USB device using address 4 input: USB HID v1.00 Keyboard [Silitek IBM USB HUB KEYBOARD] on usb-0000:00:03.2-1.1 usbcore: registered new driver snd-usb-audio input: USB HID v1.00 Device [Silitek IBM USB HUB KEYBOARD] on usb-0000:00:03.2-1.1 usb 4-1.3: new low speed USB device using address 5 input: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:03.2-1.3 usb 3-1: new full speed USB device using address 2 usb 2-2: new full speed USB device using address 3 usbaudio: device 3 audiocontrol interface 0 has 1 input and 1 output AudioStreaming interfaces usbaudio: valid input sample rate 44100 usbaudio: valid input sample rate 48000 usbaudio: device 3 interface 2 altsetting 1: format 0x00000010 sratelo 44100 sratehi 48000 attributes 0x01 usbaudio: valid output sample rate 44100 usbaudio: valid output sample rate 48000 usbaudio: device 3 interface 1 altsetting 1: format 0x80000010 sratelo 44100 sratehi 48000 attributes 0x01 usbaudio: registered dsp 14,19 usbaudio: constructing mixer for Terminal 6 type 0x0301 usbaudio: warning: found 1 of 2 logical channels. usbaudio: assuming that a stereo channel connected directly to a mixer is missing in search (got Labtec headset?). Should be fine. cdrom: open failed. usbaudio: registered mixer 14,32 usbaudio: constructing mixer for Terminal 11 type 0x0101 usbaudio: registered mixer 14,48 usb_audio_parsecontrol: usb_audio_state at 1dbbc1e8 drivers/usb/input/hid-core.c: ctrl urb status -32 received input: USB HID v1.00 Device [Labtec Labtec USB Headset] on usb-0000:00:03.0-2 usb 2-1.1: new full speed USB device using address 4 I can see the devices in /proc/bus/usb/devices in both situations. Any one else can help me? Thanks. Rocky ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users