ADS InstantFM Music RDX-155-EF

Hi everyone,
I need your help. I can't get any sound from the device in the subject.

I'm actually on Gentoo 64bit, vanilla kernel 3.3.0-rc2 with usb-audio support and radio-si470x with usb support built-in. I'm using alsa 1.0.25.

When i plug the device I get the following dmesg:

[ 1704.922092] usb 6-1: new full-speed USB device number 3 using uhci_hcd
[ 1705.054408] usb 6-1: skipped 4 descriptors after interface
[ 1705.054415] usb 6-1: skipped 2 descriptors after interface
[ 1705.054420] usb 6-1: skipped 1 descriptor after endpoint
[ 1705.054425] usb 6-1: skipped 1 descriptor after interface
[ 1705.057396] usb 6-1: default language 0x0409
[ 1705.065250] usb 6-1: udev 3, busnum 6, minor = 642
[ 1705.065256] usb 6-1: New USB device found, idVendor=06e1, idProduct=a155
[ 1705.065261] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1705.065265] usb 6-1: Product: ADS InstantFM Music
[ 1705.065269] usb 6-1: Manufacturer: ADS TECH
[ 1705.065457] usb 6-1: usb_probe_device
[ 1705.065463] usb 6-1: configuration #1 chosen from 1 choice
[ 1705.067252] usb 6-1: adding 6-1:1.0 (config #1, interface 0)
[ 1705.067332] snd-usb-audio 6-1:1.0: usb_probe_interface
[ 1705.067340] snd-usb-audio 6-1:1.0: usb_probe_interface - got id
[ 1705.074898] usb 6-1: adding 6-1:1.1 (config #1, interface 1)
[ 1705.074950] usb 6-1: adding 6-1:1.2 (config #1, interface 2)
[ 1705.075028] radio-si470x 6-1:1.2: usb_probe_interface
[ 1705.075033] radio-si470x 6-1:1.2: usb_probe_interface - got id
[ 1705.076251] radio-si470x 6-1:1.2: DeviceID=0xffff ChipID=0xffff
[ 1705.077239] radio-si470x 6-1:1.2: software version 1, hardware version 7
[ 1705.077244] radio-si470x 6-1:1.2: This driver is known to work with software version 7,
[ 1705.077249] radio-si470x 6-1:1.2: but the device has software version 1.
[ 1705.077253] radio-si470x 6-1:1.2: If you have some trouble using this driver,
[ 1705.077257] radio-si470x 6-1:1.2: please report to V4L ML at [email protected]

lsusb
Bus 006 Device 003: ID 06e1:a155 ADS Technologies, Inc. FM Radio Receiver/Instant FM Music (RDX-155-EF).

Then I can see the new device /dev/radio0 and in alsamixer there is the new usb audio capture device.

The problem is that I can't get any audio from it. If I try to "cat /dev/dsp1 > /dev/dsp" I can hear some noise, but I can't tell if that is the normal noise of the fm signal or what else.

I also tried with the "radio" utility. It doesn't do anything whatever I try. Also it gives me these errors (popping out from the red background)
VIDIOCGAUDIO: Inappropriate ioctl for device │
VIDIOCSAUDIO: Inappropriate ioctl for device

If I try to "radio -c /dev/radio0 -i" to scan for available freqs, it just goes from 87.5 to 108.00 in a couple of seconds finding nothing.

I've tried also with a stock Ubuntu 11.10, with exactly the same results. Also the first time I plugged the device the software version was 0; then I tried it with Windows 7 (where it works), and it updated the software to version 1.

So, I'd like to get this device to work; please tell me if there is any informatio you need to figure out what's going on.

Thanks, Daniele