Ewald Reisenberger wrote:
> the Roland UA-55 is not recognized by Alsa. Is there a way to use this card?
>
> I tried so far the quirk below, but did not succeded.
The interface numbers were off. Try this:
{
USB_DEVICE(0x0582, 0x012f),
.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
/* .vendor_name = "Roland", */
/* .product_name = "UA-55", */
.ifnum = QUIRK_ANY_INTERFACE,
.type = QUIRK_COMPOSITE,
.data = (const struct snd_usb_audio_quirk[]) {
{
.ifnum = 0,
.type = QUIRK_AUDIO_STANDARD_INTERFACE
},
{
.ifnum = 1,
.type = QUIRK_AUDIO_STANDARD_INTERFACE
},
{
.ifnum = 2,
.type = QUIRK_MIDI_FIXED_ENDPOINT,
.data = & (const struct
snd_usb_midi_endpoint_info) {
.out_cables = 0x0001,
.in_cables = 0x0001
}
},
{
.ifnum = -1
}
}
}
},
Regards,
Clemens
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