---

yaml
---
r: 354714
b: refs/heads/master
c: d0b4652
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7b8bc3aad0deabf3bc50cd2fe29bce29be5681fe
+refs/heads/master: d0b4652f80c3276a57ede3b6b6d8159fa26c091f

trunk/drivers/usb/misc/usbtest.c

@@ -11,6 +11,12 @@
 #include <linux/usb.h>
 
 
+/*-------------------------------------------------------------------------*/
+
+static int override_alt = -1;
+module_param_named(alt, override_alt, int, 0644);
+MODULE_PARM_DESC(alt, ">= 0 to override altsetting selection");
+
 /*-------------------------------------------------------------------------*/
 
 /* FIXME make these public somewhere; usbdevfs.h? */
@@ -103,6 +109,10 @@ get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf)
 		iso_in = iso_out = NULL;
 		alt = intf->altsetting + tmp;
 
+		if (override_alt >= 0 &&
+				override_alt != alt->desc.bAlternateSetting)
+			continue;
+
 		/* take the first altsetting with in-bulk + out-bulk;
 		 * ignore other endpoints and altsettings.
 		 */
@@ -144,6 +154,7 @@ get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf)
 
 found:
 	udev = testdev_to_usbdev(dev);
+	dev->info->alt = alt->desc.bAlternateSetting;
 	if (alt->desc.bAlternateSetting != 0) {
 		tmp = usb_set_interface(udev,
 				alt->desc.bInterfaceNumber,
@@ -2280,7 +2291,7 @@ usbtest_probe(struct usb_interface *intf, const struct usb_device_id *id)
 			wtest = " intr-out";
 		}
 	} else {
-		if (info->autoconf) {
+		if (override_alt >= 0 || info->autoconf) {
 			int status;
 
 			status = get_endpoints(dev, intf);