Merge pull request #8960 from aabadie/pr/drivers/io1_xplained_gpio_fix

drivers/io1_xplained: fix gpios devices initialization

drivers/io1_xplained/include/io1_xplained_params.h

@@ -65,16 +65,27 @@ saul_reg_info_t io1_xplained_saul_info[][4] =
     IO1_XPLAINED_SAUL_INFO
 };
 
+#ifdef MODULE_SAUL_GPIO
 /**
  * @brief   Allocate and configure the extension LED gpios
  */
-gpio_t io1_xplained_saul_gpios[3] =
+saul_gpio_params_t io1_xplained_saul_gpios[] =
 {
-    IO1_LED_PIN,
-    IO1_GPIO1_PIN,
-    IO1_GPIO2_PIN,
+    {
+        .pin = IO1_LED_PIN,
+        .mode = GPIO_OUT,
+        .flags = SAUL_GPIO_INVERTED,
+    },
+    {
+        .pin = IO1_GPIO1_PIN,
+        .mode = GPIO_OUT,
+    },
+    {
+        .pin = IO1_GPIO2_PIN,
+        .mode = GPIO_OUT
+    }
 };
-
+#endif
 
 #ifdef __cplusplus
 }

sys/auto_init/saul/auto_init_io1_xplained.c

@@ -72,11 +72,14 @@ void auto_init_io1_xplained(void)
         saul_reg_add(&(saul_entries[i * 4]));
 
         /* GPIOs */
-        for (unsigned j = 1; j < 4; j++) {
-            saul_entries[i * 4 + j].dev = &(io1_xplained_saul_gpios[j]);
-            saul_entries[i * 4 + j].name = io1_xplained_saul_info[i][j].name;
-            saul_entries[i * 4 + j].driver = &gpio_out_saul_driver;
-            saul_reg_add(&(saul_entries[i * 4 + j]));
+        for (unsigned j = 0;
+             j < sizeof(io1_xplained_saul_gpios) / sizeof(io1_xplained_saul_gpios[0]);
+             j++) {
+            saul_reg_t *entry = &saul_entries[i * 4 + j + 1];
+            entry->dev = &(io1_xplained_saul_gpios[j]);
+            entry->name = io1_xplained_saul_info[i][j + 1].name;
+            entry->driver = &gpio_out_saul_driver;
+            saul_reg_add(entry);
         }
     }
 }