[LAU] recommendations for usb sound card?

[Clemens Ladisch]

Bill Allen wrote:
> cannot submit datapipe for urb 0, error -90: internal error

This is something completely different; the driver doesn't use a correct
packet size.  Another kernel won't help.


I'd guess the maxpacksize entries are missing from the quirk.
Please try the patch below.


Regards,
Clemens

--- linux/sound/usb/usbquirks.h	Wed Mar 19 08:21:32 2008 +0100
+++ linux/sound/usb/usbquirks.h	Thu Mar 20 08:49:03 2008 +0100
@@ -771,6 +771,7 @@
 					.attributes = 0,
 					.endpoint = 0x01,
 					.ep_attr = 0x01,
+					.maxpacksize = 0x120,
 					.rates = SNDRV_PCM_RATE_CONTINUOUS,
 					.rate_min = 44100,
 					.rate_max = 44100,
@@ -788,6 +789,7 @@
 					.attributes = 0,
 					.endpoint = 0x82,
 					.ep_attr = 0x01,
+					.maxpacksize = 0x120,
 					.rates = SNDRV_PCM_RATE_CONTINUOUS,
 					.rate_min = 44100,
 					.rate_max = 44100,