wiimote_cmd_read
ret = wiimote_cmd_read(wdata, 0xa400fa, rmem, 6);
ret = wiimote_cmd_read(wdata, 0xa600fa, rmem, 6);
ret = wiimote_cmd_read(wdata, 0xa400fa, rmem, 6);
ret = wiimote_cmd_read(wdata, 0xa40024, buf, 12);
ret = wiimote_cmd_read(wdata, 0xa40024 + 12, buf + 12, 12);
ret = wiimote_cmd_read(wdata, 0xa40024, buf, 12);
ret = wiimote_cmd_read(wdata, 0xa40024 + 12, buf + 12, 12);
extern ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset,