Tested with 2.6.10. Introduced min sampling rate which is 60kHz.

diff --git a/comedi/drivers/usbduxfast.c b/comedi/drivers/usbduxfast.c
index 1fdfad09e3e4ff52ff66999af234cbef2fdf05e8..683df5a592b886df3a5dc76314dba3826868bd42 100644 (file)
--- a/comedi/drivers/usbduxfast.c
+++ b/comedi/drivers/usbduxfast.c
@@ -25,7 +25,7 @@ Driver: usbduxfast.c
 Description: ITL USB-DUXfast
 Devices: [ITL] USB-DUX (usbduxfast.o)
 Author: Bernd Porr <BerndPorr@f2s.com>
-Updated: 02 Jan 2005
+Updated: 03 Jan 2005
 Status: testing
 */
 
@@ -232,10 +232,15 @@ static int usbduxfastsub_unlink_InURBs(usbduxfastsub_t* usbduxfastsub_tmp) {
 
        if (usbduxfastsub_tmp && usbduxfastsub_tmp->urbIn) {
                usbduxfastsub_tmp->ai_cmd_running=0;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
                j=usb_unlink_urb(usbduxfastsub_tmp->urbIn);
                if (j<0) {
                        err=j;
                }
+#else
+               // waits until a running transfer is over
+               usb_kill_urb(usbduxfastsub_tmp->urbIn);
+#endif
        }
 #ifdef CONFIG_COMEDI_DEBUG
        printk("comedi: usbduxfast: unlinked InURB: res=%d\n",