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From: Greg KH on 22 Jun 2010 09:20 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Daniel Mack on 22 Jun 2010 09:40
On Tue, Jun 22, 2010 at 06:11:02AM -0700, Greg KH wrote: > 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? Yes, please post this on the ALSA list, and also provide the full output of "lsusb -v" with the device connected. Thanks, Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |