tools: print the hwdb match line from the dpi tool

Let's make this as easy as possible

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

diff --git a/tools/mouse-dpi-tool.c b/tools/mouse-dpi-tool.c
index f063028..d9c96c8 100644 (file)
--- a/tools/mouse-dpi-tool.c
+++ b/tools/mouse-dpi-tool.c
@@ -183,6 +183,24 @@ print_summary(struct measurements *m)
        }
 }
 
+static inline const char*
+bustype(int bustype)
+{
+       const char *bus;
+
+       switch(bustype) {
+               case BUS_PCI: bus = "pci"; break;
+               case BUS_ISAPNP: bus = "isapnp"; break;
+               case BUS_USB: bus = "usb"; break;
+               case BUS_HIL: bus = "hil"; break;
+               case BUS_BLUETOOTH: bus = "bluetooth"; break;
+               case BUS_VIRTUAL: bus = "virtual"; break;
+               default: bus = "unknown bus type"; break;
+       }
+
+       return bus;
+}
+
 int
 main (int argc, char **argv) {
        int rc;
@@ -228,6 +246,16 @@ main (int argc, char **argv) {
 
        print_summary(&measurements);
 
+       printf("\n");
+       printf("Entry for hwdb match (replace XXX with the resolution in DPI):\n"
+              "mouse:%s:v%4xp%4x:name:%s:\n"
+              " MOUSE_DPI=XXX@%d\n",
+              bustype(libevdev_get_id_bustype(dev)),
+              libevdev_get_id_vendor(dev),
+              libevdev_get_id_product(dev),
+              libevdev_get_name(dev),
+              (int)measurements.frequency);
+
        libevdev_free(dev);
        close(fd);