[ALSA] usb-audio: add Casio PL-40R support

Modules: USB generic driver

Add a quirk entry for the Casio PL-40R.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h
index f231de5..0992a09 100644
--- a/sound/usb/usbquirks.h
+++ b/sound/usb/usbquirks.h
@@ -1410,6 +1410,15 @@
 
 /* Casio devices */
 {
+	USB_DEVICE(0x07cf, 0x6801),
+	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+		.vendor_name = "Casio",
+		.product_name = "PL-40R",
+		.ifnum = 0,
+		.type = QUIRK_MIDI_YAMAHA
+	}
+},
+{
 	/* this ID is used by several devices without a product ID */
 	USB_DEVICE(0x07cf, 0x6802),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {