diff --git a/lvgl_tft/st7789.c b/lvgl_tft/st7789.c
index fd44baa..e81844f 100644
--- a/lvgl_tft/st7789.c
+++ b/lvgl_tft/st7789.c
@@ -31,7 +31,7 @@ typedef struct {
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void st7789_set_orientation(uint8_t orientation);
+static void st7789_set_orientation(lv_disp_drv_t *drv, uint8_t orientation);
 
 static void st7789_send_cmd(lv_disp_drv_t * drv, uint8_t cmd);
 static void st7789_send_data(lv_disp_drv_t * drv, void *data, uint16_t length);
@@ -179,21 +179,21 @@ static void st7789_send_cmd(lv_disp_drv_t *drv, uint8_t cmd)
 {
     disp_wait_for_pending_transactions();
     display_hal_gpio_dc(drv, 0);
-    disp_spi_send_data(drv, &cmd, 1);
+    disp_spi_send_data(&cmd, 1);
 }
 
 static void st7789_send_data(lv_disp_drv_t *drv, void * data, uint16_t length)
 {
     disp_wait_for_pending_transactions();
     display_hal_gpio_dc(drv, 1);
-    disp_spi_send_data(drv, data, length);
+    disp_spi_send_data(data, length);
 }
 
 static void st7789_send_color(lv_disp_drv_t *drv, void * data, uint16_t length)
 {
     disp_wait_for_pending_transactions();
     display_hal_gpio_dc(drv, 1);
-    disp_spi_send_colors(drv, data, length);
+    disp_spi_send_colors(data, length);
 }
 
 /* Reset the display, if we don't have a reset pin we use software reset */