feat: update trackpoint

Author: dhl

boards/shields/charybdis/charybdis_right.conf

@@ -4,6 +4,7 @@ CONFIG_ZMK_POINTING=y
 CONFIG_PMW3610=y
 CONFIG_PMW3610_SWAP_XY=y
 CONFIG_PMW3610_INVERT_X=y
+CONFIG_PMW3610_INVERT_Y=y
 CONFIG_PMW3610_SMART_ALGORITHM=y
 
 CONFIG_ZMK_EXT_POWER=y

boards/shields/charybdis/charybdis_right.overlay

@@ -58,7 +58,7 @@
         reg = <0>;
         spi-max-frequency = <2000000>;
         irq-gpios = <&gpio0 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
-        cpi = <2560>;
+        cpi = <1000>;
         evt-type = <INPUT_EV_REL>;
         x-input-code = <INPUT_REL_X>;
         y-input-code = <INPUT_REL_Y>;
@@ -82,7 +82,10 @@
 
         scroller {
             layers = <3>;
-            input-processors = <&zip_xy_to_scroll_mapper>;
+            input-processors = <
+                &zip_xy_to_scroll_mapper
+//                &zip_xy_scaler 1 3
+            >;
         };
     };
 };