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-rw-r--r--sound/usb/quirks.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 2c971858d6b7..5325a3869bb7 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -533,7 +533,7 @@ static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
{
struct usb_host_config *config = dev->actconfig;
int err;
- u8 bootresponse[12];
+ u8 bootresponse[0x12];
int fwsize;
int count;
@@ -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;
}