ALSA: usb-audio: Add support for Pioneer DJ DDJ-RR controller

This patch allows the Pioneer DJ DDJ-RR to be seen as a USB audio
device under Linux and therefore usable in such applications as
Mixxx.

Tested Master Audio out, headphones (both output jacks) and microphone
input. All work perfectly.

Signed-off-by: Daniel Martin <dmanlfc@gmail.com>
Link: https://lore.kernel.org/r/20201128084035.2958-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 85b99c6..7454011 100644 (file)
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -3525,6 +3525,62 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
 
 {
        /*
+        * PIONEER DJ DDJ-RR
+        * PCM is 6 channels out & 4 channels in @ 44.1 fixed
+        */
+       USB_DEVICE_VENDOR_SPEC(0x2b73, 0x000d),
+       .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_COMPOSITE,
+               .data = (const struct snd_usb_audio_quirk[]) {
+                       {
+                               .ifnum = 0,
+                               .type = QUIRK_AUDIO_FIXED_ENDPOINT,
+                               .data = &(const struct audioformat) {
+                                       .formats = SNDRV_PCM_FMTBIT_S24_3LE,
+                                       .channels = 6, //Master, Headphones & Booth
+                                       .iface = 0,
+                                       .altsetting = 1,
+                                       .altset_idx = 1,
+                                       .endpoint = 0x01,
+                                       .ep_attr = USB_ENDPOINT_XFER_ISOC|
+                                                  USB_ENDPOINT_SYNC_ASYNC,
+                                       .rates = SNDRV_PCM_RATE_44100,
+                                       .rate_min = 44100,
+                                       .rate_max = 44100,
+                                       .nr_rates = 1,
+                                       .rate_table = (unsigned int[]) { 44100 }
+                               }
+                       },
+                       {
+                               .ifnum = 0,
+                               .type = QUIRK_AUDIO_FIXED_ENDPOINT,
+                               .data = &(const struct audioformat) {
+                                       .formats = SNDRV_PCM_FMTBIT_S24_3LE,
+                                       .channels = 4, //2x RCA inputs (CH1 & CH2)
+                                       .iface = 0,
+                                       .altsetting = 1,
+                                       .altset_idx = 1,
+                                       .endpoint = 0x82,
+                                       .ep_attr = USB_ENDPOINT_XFER_ISOC|
+                                                USB_ENDPOINT_SYNC_ASYNC|
+                                                USB_ENDPOINT_USAGE_IMPLICIT_FB,
+                                       .rates = SNDRV_PCM_RATE_44100,
+                                       .rate_min = 44100,
+                                       .rate_max = 44100,
+                                       .nr_rates = 1,
+                                       .rate_table = (unsigned int[]) { 44100 }
+                               }
+                       },
+                       {
+                               .ifnum = -1
+                       }
+               }
+       }
+},
+
+{
+       /*
         * Pioneer DJ DJM-900NXS2
         * 10 channels playback & 12 channels capture @ 44.1/48/96kHz S24LE
         */