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

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Date:	Tue, 22 Jun 2010 06:11:02 -0700
From:	Greg KH <greg@...ah.com>
To:	Sid Boyce <sboyce@...eyonder.co.uk>
Cc:	LKML Mailing List <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: Re: 2.6.35-rc3 E-MU 0404 USB problem

On Tue, Jun 22, 2010 at 01:58:12PM +0100, Sid Boyce wrote:
> 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.

Looks like your device does not support this :(

Have you asked on the alsa mailing list?

thanks,

greg k-h
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