Added raw1394_reset_bus() call.

git-svn-id: svn://svn.linux1394.org/libraw1394/trunk@33 53a565d1-3bb7-0310-b661-cf11e63c67ab

4 files changed, 23 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index eccf5d4..deca55f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,8 @@
 
+Version 0.8:
+
+- new raw1394_reset_bus() function to reset the bus
+
 Version 0.7:
 
 - added support for environments where the kernel runs in 64 bit mode whereas
diff --git a/src/kernel-raw1394.h b/src/kernel-raw1394.h
index b0d8194..e496301 100644
--- a/src/kernel-raw1394.h
+++ b/src/kernel-raw1394.h
@@ -21,6 +21,7 @@
 
 #define RAW1394_REQ_ISO_LISTEN    200
 #define RAW1394_REQ_FCP_LISTEN    201
+#define RAW1394_REQ_RESET_BUS     202
 
 /* kernel to user */
 #define RAW1394_REQ_BUS_RESET     10000
diff --git a/src/main.c b/src/main.c
index 5a3c0f9..2e6d99f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -201,3 +201,17 @@ int raw1394_set_port(struct raw1394_handle *handle, int port)
                 return -1;
         }
 }
+
+int raw1394_reset_bus(struct raw1394_handle *handle)
+{
+        struct raw1394_request *req = &handle->req;
+
+        CLEAR_REQ(req);
+
+        req->type = RAW1394_REQ_RESET_BUS;
+        req->generation = handle->generation;
+
+        if (write(handle->fd, req, sizeof(*req)) < 0) return -1;
+
+        return 0;
+}
diff --git a/src/raw1394.h b/src/raw1394.h
index 2e38a4b..d95217e 100644
--- a/src/raw1394.h
+++ b/src/raw1394.h
@@ -65,6 +65,10 @@ int raw1394_get_port_info(raw1394handle_t handle, struct raw1394_portinfo *pinf,
  */
 int raw1394_set_port(raw1394handle_t handle, int port);
 
+/*
+ * Reset the connected bus.  Returns -1 for failure, 0 for success.
+ */
+int raw1394_reset_bus(raw1394handle_t handle);
 
 /*
  * Get one new message through handle and process it.  See below for handler