ALSA: usb-audio: Add implicit feedback quirk for RODE AI-1
authorDavid Heimann <d@dmeh.net>
Sun, 1 Jun 2025 16:41:16 +0000 (12:41 -0400)
committerTakashi Iwai <tiwai@suse.de>
Mon, 2 Jun 2025 14:50:04 +0000 (16:50 +0200)
The RODE AI-1 audio interface requires implicit feedback sync between
playback endpoint 0x03 and feedback endpoint 0x84 on interface 3, but
doesn't advertise this in its USB descriptors.

Without this quirk, the device receives audio data but produces no output.

Signed-off-by: David Heimann <d@dmeh.net>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/084dc88c-1193-4a94-a002-5599adff936c@app.fastmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/implicit.c

index 4727043..77f06da 100644 (file)
@@ -57,6 +57,7 @@ static const struct snd_usb_implicit_fb_match playback_implicit_fb_quirks[] = {
        IMPLICIT_FB_FIXED_DEV(0x31e9, 0x0002, 0x81, 2), /* Solid State Logic SSL2+ */
        IMPLICIT_FB_FIXED_DEV(0x0499, 0x172f, 0x81, 2), /* Steinberg UR22C */
        IMPLICIT_FB_FIXED_DEV(0x0d9a, 0x00df, 0x81, 2), /* RTX6001 */
+       IMPLICIT_FB_FIXED_DEV(0x19f7, 0x000a, 0x84, 3), /* RODE AI-1 */
        IMPLICIT_FB_FIXED_DEV(0x22f0, 0x0006, 0x81, 3), /* Allen&Heath Qu-16 */
        IMPLICIT_FB_FIXED_DEV(0x1686, 0xf029, 0x82, 2), /* Zoom UAC-2 */
        IMPLICIT_FB_FIXED_DEV(0x2466, 0x8003, 0x86, 2), /* Fractal Audio Axe-Fx II */