Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752582Ab0FWRtw (ORCPT ); Wed, 23 Jun 2010 13:49:52 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:37172 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751345Ab0FWRtu (ORCPT ); Wed, 23 Jun 2010 13:49:50 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=bHiIw371l3swaxAwOxGz/hlkluJq54sa19Pb0XVBAxm02Qb8GSNOmYIATkvt3xNVTJ iqCk/5k6PVEVf6iD1Vvhzq2XTaT5TsKx8uUyjbyezV/P8vg6fCdr1dhOZiLSF/xSpGrW YwKzrnf663m8COr6r0IaTNwEJ5AN11DmB+Ya0= MIME-Version: 1.0 In-Reply-To: <4C20B364.9060405@blueyonder.co.uk> References: <4C20B364.9060405@blueyonder.co.uk> Date: Wed, 23 Jun 2010 18:49:48 +0100 Message-ID: Subject: Re: 2.6.35-rc3 E-MU 0404 USB problem From: James Courtier-Dutton To: sboyce@blueyonder.co.uk Cc: LKML Mailing List , "linux-usb@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2222 Lines: 40 On 22 June 2010 13:58, 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. > [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. > -- This device uses a global clock rate according to the data sheets. So, record rate must equal playback rate. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/