linux-kernel - 2.6.35-rc3 E-MU 0404 USB problem

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Message-ID: <4C20B364.9060405@blueyonder.co.uk>
Date:	Tue, 22 Jun 2010 13:58:12 +0100
From:	Sid Boyce <sboyce@...eyonder.co.uk>
To:	LKML Mailing List <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: 2.6.35-rc3 E-MU 0404 USB problem

I have an application using the on-board sound card mic which should 
send it's data to the USB card for relay to a Sofweare Defined Radio as 
2 quadrature signals digital (I/Q) for transmission.
On the receiving side it can take data from the Radio at up to 192K 
sample rate --> program --> Speaker on the on-board sound card - that 
works fine.
Transmit fails, dmesg output with 48K sample rate set is:-
[509686.177169] ALSA sound/usb/clock.c:214: 6:2:3: endpoint lacks sample 
rate attribute bit, cannot set.
[509686.187920] ALSA sound/usb/clock.c:214: 6:2:1: endpoint lacks sample 
rate attribute bit, cannot set.
[509686.266905] ALSA sound/usb/mixer.c:2051: status interrupt: c0 0e
[509686.330901] ALSA sound/usb/mixer.c:2051: status interrupt: c0 0e
[509686.353775] ALSA sound/usb/clock.c:214: 6:2:7: endpoint lacks sample 
rate attribute bit, cannot set.
[509686.394898] ALSA sound/usb/mixer.c:2051: status interrupt: c0 0e
[509686.458886] ALSA sound/usb/mixer.c:2051: status interrupt: c0 0e
[509686.522874] ALSA sound/usb/mixer.c:2051: status interrupt: c0 0e
[509823.078594] ALSA sound/usb/clock.c:214: 6:2:3: endpoint lacks sample 
rate attribute bit, cannot set.
[509823.091571] ALSA sound/usb/clock.c:214: 6:2:1: endpoint lacks sample 
rate attribute bit, cannot set.
[509823.146811] ALSA sound/usb/mixer.c:2051: status interrupt: c0 0e
[509823.202679] ALSA sound/usb/clock.c:214: 6:2:7: endpoint lacks sample 
rate attribute bit, cannot set.
[509823.210807] ALSA sound/usb/mixer.c:2051: status interrupt: c0 0e
[509823.274792] ALSA sound/usb/mixer.c:2051: status interrupt: c0 0e
[509823.338782] ALSA sound/usb/mixer.c:2051: status interrupt: c0 0e
[509823.402783] ALSA sound/usb/mixer.c:2051: status interrupt: c0 0e
Regards
Sid.
-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks

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