diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2012-10-28 19:28:52 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-10-28 19:29:19 +0100 |
| commit | 3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a (patch) | |
| tree | 0058693cc9e70b7461dae551f8a19aff2efd13ca /sound/usb/quirks.c | |
| parent | f16f84937d769c893492160b1a8c3672e3992beb (diff) | |
| parent | e657e078d3dfa9f96976db7a2b5fd7d7c9f1f1a6 (diff) | |
Merge branch 'master' into for-next
Sync up with Linus' tree to be able to apply Cesar's patch
against newer version of the code.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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 27817266867..0f58b4b6d70 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); +} + |