@@ -47,6 +47,8 @@ struct snd_usb_implicit_fb_match {
static const struct snd_usb_implicit_fb_match playback_implicit_fb_quirks[] = {
/* Fixed EP */
/* FIXME: check the availability of generic matching */
+ IMPLICIT_FB_FIXED_DEV(0x0763, 0x2030, 0x81, 3), /* M-Audio Fast Track C400 */
+ IMPLICIT_FB_FIXED_DEV(0x0763, 0x2031, 0x81, 3), /* M-Audio Fast Track C600 */
IMPLICIT_FB_FIXED_DEV(0x0763, 0x2080, 0x81, 2), /* M-Audio FastTrack Ultra */
IMPLICIT_FB_FIXED_DEV(0x0763, 0x2081, 0x81, 2), /* M-Audio FastTrack Ultra */
IMPLICIT_FB_FIXED_DEV(0x2466, 0x8010, 0x81, 2), /* Fractal Audio Axe-Fx III */
M-Audio Fast Track C400 and C600 devices (0763:2030 and 0763:2031, respectively) seem requiring the explicit setup for the implicit feedback mode. This patch adds the quirk entries for those. BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=214817 Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> --- sound/usb/implicit.c | 2 ++ 1 file changed, 2 insertions(+)