qrio: Fix handling of 1-arg decode()

Author: jepler

shared-bindings/qrio/QRDecoder.c

@@ -63,7 +63,7 @@ STATIC mp_obj_t qrio_qrdecoder_decode(size_t n_args, const mp_obj_t *pos_args, m
     enum { ARG_buffer, ARG_pixel_policy };
     static const mp_arg_t allowed_args[] = {
         { MP_QSTR_buffer, MP_ARG_OBJ | MP_ARG_REQUIRED, {.u_int = 0} },
-        { MP_QSTR_pixel_policy, MP_ARG_OBJ, {.u_int = 0} },
+        { MP_QSTR_pixel_policy, MP_ARG_OBJ, {.u_obj = MP_ROM_PTR((mp_obj_t *)&qrio_pixel_policy_EVERY_BYTE_obj)} },
     };
     mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
     mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);

shared-bindings/qrio/__init__.h

@@ -26,6 +26,7 @@
 
 #pragma once
 
+#include "py/enum.h"
 #include "py/obj.h"
 #include "py/objnamedtuple.h"
 
@@ -36,3 +37,5 @@ extern const mp_obj_type_t qrio_pixel_policy_type;
 typedef enum {
     QRIO_EVERY_BYTE, QRIO_EVEN_BYTES, QRIO_ODD_BYTES
 } qrio_pixel_policy_t;
+
+extern const cp_enum_obj_t qrio_pixel_policy_EVERY_BYTE_obj;