some more TDISP cleanup

drivers/tdisp/HD44780/tdisp_lld.c

@@ -107,6 +107,14 @@ void tdisp_lld_create_char(uint8_t address, char *charmap) {
 	}
 }
 
+void tdisp_lld_clear(void) {
+	tdisp_lld_write_cmd(0x01);
+}
+
+void tdisp_lld_home(void) {
+	tdisp_lld_write_cmd(0x02);
+}
+
 #endif /* GFX_USE_TDISP */
 /** @} */
 

include/tdisp/lld/tdisp_lld.h

@@ -42,6 +42,8 @@ extern void		tdisp_lld_write_data(uint8_t data);
 extern bool_t	tdisp_lld_init(void);
 extern void 	tdisp_lld_set_cursor(coord_t col, coord_t row);
 extern void		tdisp_lld_create_char(uint8_t address, char *charmap);
+extern void		tdisp_lld_clear(void);
+extern void		tdisp_lld_home(void);
 
 #ifdef __cplusplus
 }

src/tdisp/tdisp.c

@@ -71,11 +71,11 @@ void tdispSetAttributes(uint8_t attributes) {
 }
 
 void tdispClear(void) {
-	tdisp_lld_write_cmd(0x01);
+	tdisp_lld_clear();
 }
 
 void tdispHome(void) {
-	tdisp_lld_write_cmd(0x02);
+	tdisp_lld_home();
 }
 
 void tdispCreateChar(uint8_t address, char *charmap) {