Philips speakers DGX320 (USB) not recognised

Hi,
I have a set of USB speakers recognised as Philips USB Audio System.
When I plug it in, it is recognised, the modules are loaded, but I have
no sound. Kmix shows a second soundcard (USB Audio System), with 1
PCM control. But no sound. When I try to set the KDE sound system to
hw:2,0 or plughw:2,0 the sound system crashes (no error messages, just
unresponsive, no dmesg entries).

I run kernel 2.6.14. My PC has a builtin soundcard (Via8235).

Has anyone succeeded to get these speakers produce any sound?
Thanks


(asoundrc)
pcm.USB-audio {
type hw
card 2
}
ctl.USB-audio {
type hw
card 2
}

pcm.ua1ex {
type hw
card 1
}
ctl.ua1ex {
type hw
card 1
}

pcm.via8235 {
type hw
card 0
}
ctl.via8235 {
type hw
card 0
}



(dmesg)
usb 2-2: new full speed USB device using uhci_hcd and address 2
input: USB HID v1.00 Device [Philips Sound Solutions USB Audio
System] on usb-0000:00:10.1-2

(/proc/bus/usb/devices)
T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0471 ProdID=0151 Rev= 1.00
S: Manufacturer=Philips Sound Solutions
S: Product=USB Audio System
C:* #Ifs= 4 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00
Driver=snd-usb-audio
I: If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
I: If#= 1 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=02(O) Atr=09(Isoc) MxPS= 192 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=02(O) Atr=09(Isoc) MxPS= 96 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=02(O) Atr=09(Isoc) MxPS= 96 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=02(O) Atr=09(Isoc) MxPS= 48 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=02(O) Atr=09(Isoc) MxPS= 96 Ivl=1ms
I: If#= 1 Alt= 6 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=02(O) Atr=09(Isoc) MxPS= 48 Ivl=1ms
I: If#= 2 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
I: If#= 2 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 196 Ivl=1ms
I: If#= 2 Alt= 2 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 98 Ivl=1ms
I: If#= 2 Alt= 3 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 180 Ivl=1ms
I: If#= 2 Alt= 4 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 90 Ivl=1ms
I: If#= 2 Alt= 5 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 132 Ivl=1ms
I: If#= 2 Alt= 6 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 66 Ivl=1ms
I: If#= 2 Alt= 7 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 92 Ivl=1ms
I: If#= 2 Alt= 8 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 46 Ivl=1ms
I: If#= 2 Alt= 9 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 68 Ivl=1ms
I: If#= 2 Alt=10 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 34 Ivl=1ms
I: If#= 2 Alt=11 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 34 Ivl=1ms
I: If#= 2 Alt=12 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 17 Ivl=1ms
I: If#= 2 Alt=13 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 18 Ivl=1ms
I: If#= 2 Alt=14 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=05(Isoc) MxPS= 9 Ivl=1ms
I: If#= 2 Alt=15 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=0d(Isoc) MxPS= 48 Ivl=1ms
I: If#= 2 Alt=16 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=0d(Isoc) MxPS= 24 Ivl=1ms
I: If#= 2 Alt=17 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=0d(Isoc) MxPS= 24 Ivl=1ms
I: If#= 2 Alt=18 #EPs= 1 Cls=01(audio) Sub=02 Prot=00
Driver=snd-usb-audio
E: Ad=84(I) Atr=0d(Isoc) MxPS= 12 Ivl=1ms
I: If#= 3 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid
E: Ad=85(I) Atr=03(Int.) MxPS= 1 Ivl=10ms

(lsmod)
Module Size Used by
rfcomm 34780 0
l2cap 20356 5 rfcomm
pcmcia 31508 2
snd_pcm_oss 47392 0
snd_mixer_oss 16832 1 snd_pcm_oss
snd_seq_oss 31488 0
snd_seq_midi_event 5632 1 snd_seq_oss
snd_seq 47632 4 snd_seq_oss,snd_seq_midi_event
snd_usb_audio 73600 1
snd_usb_lib 14016 1 snd_usb_audio
snd_hwdep 7072 1 snd_usb_audio
ohci_hcd 18372 0
radeonfb 86080 0
i2c_algo_bit 8776 1 radeonfb
i2c_core 17360 2 radeonfb,i2c_algo_bit
snd_via82xx 22816 1
snd_ac97_codec 92092 1 snd_via82xx
snd_pcm 79048 4
snd_pcm_oss,snd_usb_audio,snd_via82xx,snd_ac97_codec
snd_ac97_bus 1856 1 snd_ac97_codec
snd_timer 20356 2 snd_seq,snd_pcm
snd_page_alloc 8456 2 snd_via82xx,snd_pcm
snd_mpu401_uart 5824 1 snd_via82xx
snd_rawmidi 19808 2 snd_usb_lib,snd_mpu401_uart
snd_seq_device 6988 3 snd_seq_oss,snd_seq,snd_rawmidi
snd 46884 17
snd_pcm_oss,snd_mixer_oss,snd_seq_oss,snd_seq,snd_usb_audio,snd_hwdep,snd_via82xx,snd_ac97_codec,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
soundcore 7200 1 snd
via_ircc 23188 0
irda 111032 1 via_ircc
crc_ccitt 1728 1 irda
ehci_hcd 30600 0
usbhid 28036 0
uhci_hcd 30160 0
yenta_socket 24140 2
rsrc_nonstatic 10048 1 yenta_socket
pcmcia_core 35216 3 pcmcia,yenta_socket,rsrc_nonstatic
via_agp 7744 1
agpgart 29256 1 via_agp
bluetooth 41732 4 rfcomm,l2cap
ndiswrapper 165716 0
usbcore 107968 8
snd_usb_audio,snd_usb_lib,ohci_hcd,ehci_hcd,usbhid,uhci_hcd,ndiswrapper
rtc 9656 0
ide_cd 38596 0
cdrom 38176 1 ide_cd
via_rhine 19204 0
mii 4416 1 via_rhine
crc32 3840 2 pcmcia,via_rhine

.

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