1 files changed, 4 insertions, 0 deletions
diff --git a/drv_G15.c b/drv_G15.c
index 94380be..476bfc5 100644
--- a/drv_G15.c
+++ b/drv_G15.c
@@ -330,6 +330,8 @@ static int drv_G15_open()
 	    debug("%s: open %s/%s/%s", Name, bus->dirname, dev->bus->dirname, dev->filename);
 	    if ((g15_lcd = usb_open(dev))) {
 		if (dev->descriptor.idVendor == G15_VENDOR) {
+                    debug("%s: Found USB vendor ID 0x%x (Logitech), checking productID 0x%x...",
+                          Name, G15_VENDOR, dev->descriptor.idProduct);
 		    switch (dev->descriptor.idProduct) {
 		    case G15_DEVICE:
 		    case G15_DEVICE2:
@@ -349,6 +351,8 @@ static int drv_G15_open()
 			    break;
 			}
 		    default:
+                        debug("%s: Don't found USB product IDs 0x%x|0x%x/0x%x for G-15/M1730 or 0x%x for Z10",
+                              Name, G15_DEVICE, G15_DEVICE2, M1730_DEVICE, Z10_DEVICE);
 			usb_close(g15_lcd);
 		    }