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Diffstat (limited to 'sound/usb/line6/driver.h')
-rw-r--r--sound/usb/line6/driver.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/sound/usb/line6/driver.h b/sound/usb/line6/driver.h
index 43dd1d06b5fa..a55eb8871b51 100644
--- a/sound/usb/line6/driver.h
+++ b/sound/usb/line6/driver.h
@@ -18,7 +18,13 @@
#include "midi.h"
-#define USB_INTERVALS_PER_SECOND 1000
+/* USB 1.1 speed configuration */
+#define USB_LOW_INTERVALS_PER_SECOND 1000
+#define USB_LOW_ISO_BUFFERS 2
+
+/* USB 2.0+ speed configuration */
+#define USB_HIGH_INTERVALS_PER_SECOND 8000
+#define USB_HIGH_ISO_BUFFERS 16
/* Fallback USB interval and max packet size values */
#define LINE6_FALLBACK_INTERVAL 10
@@ -109,12 +115,15 @@ struct usb_line6 {
/* Properties */
const struct line6_properties *properties;
- /* Interval (ms) */
+ /* Interval for data USB packets */
int interval;
+ /* ...for isochronous transfers framing */
+ int intervals_per_second;
+
/* Number of isochronous URBs used for frame transfers */
int iso_buffers;
- /* Maximum size of USB packet */
+ /* Maximum size of data USB packet */
int max_packet_size;
/* Device representing the USB interface */