diff options
| author | David S. Miller <davem@davemloft.net> | 2012-10-09 13:14:32 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-10-09 13:14:32 -0400 |
| commit | 8dd9117cc7a021ced1c5cf177e2d44dd92b88617 (patch) | |
| tree | cad990f58f9ec6d400226dda86718fc10781416e /sound/usb/quirks.c | |
| parent | 16e310ae6ed352c4963b1f2413fcd88fa693eeda (diff) | |
| parent | 547b1e81afe3119f7daf702cc03b158495535a25 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Pulled mainline in order to get the UAPI infrastructure already
merged before I pull in David Howells's UAPI trees for networking.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'sound/usb/quirks.c')
| -rw-r--r-- | sound/usb/quirks.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 27817266867a..0f58b4b6d702 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -761,3 +761,27 @@ void snd_usb_set_format_quirk(struct snd_usb_substream *subs, } } +void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) +{ + /* + * "Playback Design" products send bogus feedback data at the start + * of the stream. Ignore them. + */ + if ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 0x23ba) && + ep->type == SND_USB_ENDPOINT_TYPE_SYNC) + ep->skip_packets = 4; +} + +void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, + __u8 request, __u8 requesttype, __u16 value, + __u16 index, void *data, __u16 size) +{ + /* + * "Playback Design" products need a 20ms delay after each + * class compliant request + */ + if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) && + (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) + mdelay(20); +} + |