[ALSA] usb-audio: add UM-1EX/UM-2EX information
Modules: USB generic driver
Add comments with information about UM-1EX/UM-2EX devices.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h
index edb8887..bb7829c 100644
--- a/sound/usb/usbquirks.h
+++ b/sound/usb/usbquirks.h
@@ -294,7 +294,8 @@
}
},
{
- /* a later revision uses ID 0x0099 */
+ /* Has ID 0x0099 when not in "Advanced Driver" mode.
+ * The UM-2EX has only one input, but we cannot detect this. */
USB_DEVICE(0x0582, 0x0005),
.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
.vendor_name = "EDIROL",
@@ -385,7 +386,7 @@
}
},
{
- /* a later revision uses ID 0x009d */
+ /* has ID 0x009d when not in "Advanced Driver" mode */
USB_DEVICE(0x0582, 0x0009),
.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
.vendor_name = "EDIROL",