Re: [LAU] recommendations for usb sound card?

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,

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Received on Thu Mar 20 12:15:05 2008