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-rw-r--r--shared-bindings/bitbangio/SPI.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/shared-bindings/bitbangio/SPI.c b/shared-bindings/bitbangio/SPI.c
index 4b6b1bacb..ea8c2f255 100644
--- a/shared-bindings/bitbangio/SPI.c
+++ b/shared-bindings/bitbangio/SPI.c
@@ -68,8 +68,8 @@ STATIC mp_obj_t bitbangio_spi_make_new(const mp_obj_type_t *type, size_t n_args,
enum { ARG_clock, ARG_MOSI, ARG_MISO, ARG_baudrate, ARG_polarity, ARG_phase, ARG_bits, ARG_firstbit };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_clock, MP_ARG_REQUIRED | MP_ARG_OBJ },
- { MP_QSTR_MOSI, MP_ARG_REQUIRED | MP_ARG_OBJ },
- { MP_QSTR_MISO, MP_ARG_REQUIRED | MP_ARG_OBJ },
+ { MP_QSTR_MOSI, MP_ARG_OBJ, {.u_obj = mp_const_none} },
+ { MP_QSTR_MISO, MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_baudrate, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 100000} },
{ MP_QSTR_polarity, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 400000} },
{ MP_QSTR_phase, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 400000} },