fix(via): fix keymap read error

Signed-off-by: Haobo Gu <[email protected]>

rmk/src/via/process.rs

@@ -156,15 +156,14 @@ pub fn process_via_packet<
             let offset = BigEndian::read_u16(&report.output_data[1..3]);
             // size <= 28
             let size = report.output_data[3];
-            // FIXME: Cannot get complete keymap
             info!("Getting keymap buffer, offset: {}, size: {}", offset, size);
             let mut idx = 4;
             keymap
                 .layers
                 .iter()
                 .flatten()
                 .flatten()
-                .skip(offset as usize)
+                .skip((offset / 2) as usize)
                 .take((size / 2) as usize)
                 .for_each(|a| {
                     let kc = to_via_keycode(*a);