diff options
| author | Matt Gruskin <matthew.gruskin@gmail.com> | 2013-02-09 12:56:35 -0500 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-02-11 14:02:27 +0100 |
| commit | e9a25e04b845aade311aaa268a696c5c4ff3eece (patch) | |
| tree | 0a6a45cc6e8a231a063cd9db379c4ce34b6ec75a /sound/usb/quirks.c | |
| parent | b3667bd7579e6d4dfe709315f13cff9bc9ee9053 (diff) | |
ALSA: usb-audio: add support for M-Audio FT C600
Adds quirks and mixer support for the M-Audio Fast Track C600 USB
audio interface. This device is very similar to the C400 - the C600
simply has some more inputs and outputs, so the existing C400 support
is extended to support this device as well.
Signed-off-by: Matt Gruskin <matthew.gruskin@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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 2c971858d6b7..7d7ad0b0620e 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; } |