esp32/machine_dac.c: Fix code formatting.

Signed-off-by: IhorNehrutsa <Ihor.Nehrutsa@gmail.com>

ports/esp32/machine_dac.c

@@ -47,9 +47,9 @@ typedef struct _mdac_obj_t {
     mp_obj_base_t base;
     gpio_num_t gpio_id;
     dac_channel_t dac_id;
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
+    #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
     dac_oneshot_handle_t dac_oneshot_handle;
-#endif
+    #endif
 } mdac_obj_t;
 
 STATIC mdac_obj_t mdac_obj[] = {
@@ -78,12 +78,12 @@ STATIC mp_obj_t mdac_make_new(const mp_obj_type_t *type, size_t n_args, size_t n
         mp_raise_ValueError(MP_ERROR_TEXT("invalid Pin for DAC"));
     }
 
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
+    #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
     dac_oneshot_config_t dac_oneshot_config = {.chan_id = self->dac_id};
     check_esp_err(dac_oneshot_new_channel(&dac_oneshot_config, &self->dac_oneshot_handle));
     check_esp_err(dac_oneshot_output_voltage(self->dac_oneshot_handle, 0));
     return MP_OBJ_FROM_PTR(self);
-#else
+    #else
     esp_err_t err = dac_output_enable(self->dac_id);
     if (err == ESP_OK) {
         err = dac_output_voltage(self->dac_id, 0);
@@ -92,7 +92,7 @@ STATIC mp_obj_t mdac_make_new(const mp_obj_type_t *type, size_t n_args, size_t n
         return MP_OBJ_FROM_PTR(self);
     }
     mp_raise_ValueError(MP_ERROR_TEXT("parameter error"));
-#endif
+    #endif
 }
 
 STATIC void mdac_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
@@ -107,16 +107,16 @@ STATIC mp_obj_t mdac_write(mp_obj_t self_in, mp_obj_t value_in) {
         mp_raise_ValueError(MP_ERROR_TEXT("value out of range"));
     }
 
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
+    #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
     check_esp_err(dac_oneshot_output_voltage(self->dac_oneshot_handle, value));
     return mp_const_none;
-#else
+    #else
     esp_err_t err = dac_output_voltage(self->dac_id, value);
     if (err == ESP_OK) {
         return mp_const_none;
     }
     mp_raise_ValueError(MP_ERROR_TEXT("parameter error"));
-#endif
+    #endif
 }
 MP_DEFINE_CONST_FUN_OBJ_2(mdac_write_obj, mdac_write);