On 13.04.2012 00:06, Daniel Mack wrote:
> Ah ok. Saw the patch and added a new one that implements the quirk for
> newer kernels. I also attached the patch here.
>
> Once you managed to build the kernel (there are plenty of good HOWTOs
> out there), let me know the result. You can apply the other patch
> additionally (from the gist location I pointed you to), but that should
> be optional.
Eh, sorry. My last patch was bogus. Instead, you should try the one
attached to this mail, but you need to apply the streaming rework series
*before* that: https://gist.github.com/1168715
Let me know if that works.
Daniel
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 5cfad6d..f692e2f 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -474,6 +474,10 @@ struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
ep->syncinterval = 3;
ep->syncmaxsize = le16_to_cpu(get_endpoint(alts, 1)->wMaxPacketSize);
+
+ if (chip->usb_id == USB_ID(0x0926, 0x0202) &&
+ snd_usb_get_speed(chip->dev) == USB_SPEED_HIGH)
+ ep->syncmaxsize = 4;
}
list_add_tail(&ep->list, &chip->ep_list);
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