Changeset 3ae93a8 in mainline for uspace/lib/usb/src/recognise.c

Timestamp:

2011-02-20T12:51:53Z (13 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

357a302

Parents:

540e2d2

Message:

Add USB multi interface device driver

Incomplete implementation of a pseudo-bus driver that spawns children
devices for each interface in multi interface device.

WARNING: does not work as the child device does not learn its USB address.

File:

• uspace/lib/usb/src/recognise.c (modified) (1 diff)

uspace/lib/usb/src/recognise.c

@@ -231 +231 @@
         /*
          * If the device class points to interface we skip adding
-         * class directly.
+         * class directly but we add a multi interface device.
          */
         if (device_descriptor->device_class != USB_CLASS_USE_INTERFACE) {
                 rc = usb_add_match_id(matches, 50, "usb&class=%s",
                     usb_str_class(device_descriptor->device_class));
+                if (rc != EOK) {
+                        return rc;
+                }
+        } else {
+                rc = usb_add_match_id(matches, 50, "usb&mid");
                 if (rc != EOK) {
                         return rc;