diff options
Diffstat (limited to 'sound/usb/quirks.c')
| -rw-r--r-- | sound/usb/quirks.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 2c971858d6b..7d7ad0b0620 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -863,13 +863,14 @@ void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) ep->skip_packets = 4; /* - * M-Audio Fast Track C400 - when packets are not skipped, real world - * latency varies by approx. +/- 50 frames (at 96KHz) each time the - * stream is (re)started. When skipping packets 16 at endpoint start - * up, the real world latency is stable within +/- 1 frame (also + * M-Audio Fast Track C400/C600 - when packets are not skipped, real + * world latency varies by approx. +/- 50 frames (at 96KHz) each time + * the stream is (re)started. When skipping packets 16 at endpoint + * start up, the real world latency is stable within +/- 1 frame (also * across power cycles). */ - if (ep->chip->usb_id == USB_ID(0x0763, 0x2030) && + if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || + ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && ep->type == SND_USB_ENDPOINT_TYPE_DATA) ep->skip_packets = 16; } |