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| author | Alexander Graf <agraf@suse.de> | 2012-10-31 16:36:18 +0400 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-10-31 16:36:18 +0400 |
| commit | 0588000eac9ba4178cebade437da3b28e8fad48f (patch) | |
| tree | 697e514a0a0193f17a54f372dd18c5cd3927e154 /sound/usb/quirks.c | |
| parent | 8b5869ad85f703ffeb25e656eab826f6b85b984c (diff) | |
| parent | 81c52c56e2b43589091ee29038bcf793d3f184ab (diff) | |
| download | linux-0588000eac9ba4178cebade437da3b28e8fad48f.tar.xz | |
Merge commit 'origin/queue' into for-queue
Conflicts:
arch/powerpc/include/asm/Kbuild
arch/powerpc/include/uapi/asm/Kbuild
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); +} + |