update uses of assert_pin_free; remove redundant checks

1 files changed, 6 insertions, 12 deletions

diff --git a/shared-bindings/displayio/ParallelBus.c b/shared-bindings/displayio/ParallelBus.c
index f7195b9cc..33a165af9 100644
--- a/shared-bindings/displayio/ParallelBus.c
+++ b/shared-bindings/displayio/ParallelBus.c
@@ -76,18 +76,12 @@ STATIC mp_obj_t displayio_parallelbus_make_new(const mp_obj_type_t *type, size_t
     mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
     mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
 
-    mp_obj_t data0 = args[ARG_data0].u_obj;
-    mp_obj_t command = args[ARG_command].u_obj;
-    mp_obj_t chip_select = args[ARG_chip_select].u_obj;
-    mp_obj_t write = args[ARG_write].u_obj;
-    mp_obj_t read = args[ARG_read].u_obj;
-    mp_obj_t reset = args[ARG_reset].u_obj;
-    assert_pin_free(data0);
-    assert_pin_free(command);
-    assert_pin_free(chip_select);
-    assert_pin_free(write);
-    assert_pin_free(read);
-    assert_pin_free(reset);
+    mcu_pin_obj_t *data0 = validate_is_free_pin(args[ARG_data0].u_obj);
+    mcu_pin_obj_t *command = validate_is_free_pin(args[ARG_command].u_obj);
+    mcu_pin_obj_t *chip_select = validate_is_free_pin(args[ARG_chip_select].u_obj);
+    mcu_pin_obj_t *write = validate_is_free_pin(args[ARG_write].u_obj);
+    mcu_pin_obj_t *read = validate_is_free_pin(args[ARG_read].u_obj);
+    mcu_pin_obj_t *reset = validate_is_free_pin(args[ARG_reset].u_obj);
 
     displayio_parallelbus_obj_t* self = NULL;
     for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {