From c39f4d831709aa2a276ae1a79f9968e28949ae4e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ga=C3=ABtan=20Harter?= <gaetan.harter@fu-berlin.de>
Date: Fri, 8 Sep 2017 13:58:47 +0200
Subject: [PATCH] saul/gpio: add support to initialized state

---
 drivers/.Makefile.dep.swo           | Bin 0 -> 16384 bytes
 drivers/include/saul/periph.h       |   4 ++--
 sys/auto_init/saul/auto_init_gpio.c |   6 ++++++
 3 files changed, 8 insertions(+), 2 deletions(-)
 create mode 100644 drivers/.Makefile.dep.swo

diff --git a/drivers/.Makefile.dep.swo b/drivers/.Makefile.dep.swo
new file mode 100644
index 0000000000000000000000000000000000000000..db7d17170f1a1549c2bbae151e6b5b0624249bf5
GIT binary patch
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diff --git a/drivers/include/saul/periph.h b/drivers/include/saul/periph.h
index ec6575cfa7..460a045477 100644
--- a/drivers/include/saul/periph.h
+++ b/drivers/include/saul/periph.h
@@ -34,8 +34,8 @@ extern "C" {
 #ifdef MODULE_SAUL_GPIO
 typedef enum {
     SAUL_GPIO_INVERTED   = (1 << 0),  /**< pin is used as inverted */
-    SAUL_GPIO_INIT_CLEAR = 1 << 1, /**< set pin inactive after initialization */
-    SAUL_GPIO_INIT_SET   = 1 << 2, /**< set pin active after initialization */
+    SAUL_GPIO_INIT_CLEAR = (1 << 1),  /**< set pin inactive after init */
+    SAUL_GPIO_INIT_SET   = (1 << 2),  /**< set pin active after init */
 } saul_gpio_flags_t;
 
 /**
diff --git a/sys/auto_init/saul/auto_init_gpio.c b/sys/auto_init/saul/auto_init_gpio.c
index 4de96eeced..c2a400a4bb 100644
--- a/sys/auto_init/saul/auto_init_gpio.c
+++ b/sys/auto_init/saul/auto_init_gpio.c
@@ -66,6 +66,12 @@ void auto_init_gpio(void)
         }
         /* initialize the GPIO pin */
         gpio_init(p->pin, p->mode);
+        /* set initial pin state if configured */
+        if (p->flags & (SAUL_GPIO_INIT_CLEAR | SAUL_GPIO_INIT_SET)) {
+            phydat_t s;
+            s.val[0] = (p->flags & SAUL_GPIO_INIT_SET);
+            saul_reg_entries[i].driver->write(p, &s);
+        }
         /* add to registry */
         saul_reg_add(&(saul_reg_entries[i]));
     }