ALSA: usb-audio: add quirk for Pioneer DDJ-RB

This is just another Pioneer device with fixed endpoints. Input is dummy
but used as feedback (it always returns silence).

Cc: stable@vger.kernel.org
Signed-off-by: Hector Martin <marcan@marcan.st>
Link: https://lore.kernel.org/r/20200810082502.225979-1-marcan@marcan.st
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 9c3c03d..d79e3dd 100644 (file)
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -3558,6 +3558,62 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
                }
        }
 },
+{
+       /*
+        * PIONEER DJ DDJ-RB
+        * PCM is 4 channels out, 2 dummy channels in @ 44.1 fixed
+        * The feedback for the output is the dummy input.
+        */
+       USB_DEVICE_VENDOR_SPEC(0x2b73, 0x000e),
+       .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 = 4,
+                                       .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 = 2,
+                                       .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
+                       }
+               }
+       }
+},
 
 #define ALC1220_VB_DESKTOP(vend, prod) { \
        USB_DEVICE(vend, prod), \