V4L/DVB (5507): Pvrusb2: Gather USB bus address info and report it

The V4L2 API requires a unique bus_info string returned as part of the
v4l2_capability structure.  These changes gather up the USB address
information, from the underlying device, into a string and report that
out through v4l2 and via sysfs (for completeness).

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
index 16bd74199601..ce66ab8ff2d8 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
@@ -283,6 +283,8 @@ struct pvr2_hdw {
         int unit_number;             /* ID for driver instance */
         unsigned long serial_number; /* ID for hardware itself */
 
+        char bus_info[32]; /* Bus location info */
+
         /* Minor numbers used by v4l logic (yes, this is a hack, as there
            should be no v4l junk here).  Probably a better way to do this. */
         int v4l_minor_number_video;