From c4839d320a5645f3a6e0752c2a4c060af6bbc01c Mon Sep 17 00:00:00 2001
From: Luiz Otavio O Souza <loos@FreeBSD.org>
Date: Tue, 19 Apr 2016 15:18:31 +0000
Subject: [PATCH] Use GPIOTOGGLE to toggle the pin state instead of read,
 modify and write.

---
 lib/libgpio/gpio.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/libgpio/gpio.c b/lib/libgpio/gpio.c
index 7ec0955b096b..8170822d4404 100644
--- a/lib/libgpio/gpio.c
+++ b/lib/libgpio/gpio.c
@@ -181,14 +181,14 @@ gpio_pin_set(gpio_handle_t handle, gpio_pin_t pin, gpio_value_t value)
 int
 gpio_pin_toggle(gpio_handle_t handle, gpio_pin_t pin)
 {
-	gpio_value_t value;
+	struct gpio_req gpreq;
 
-	value = gpio_pin_get(handle, pin);
-	if (value == GPIO_VALUE_INVALID)
+	bzero(&gpreq, sizeof(gpreq));
+	gpreq.gp_pin = pin;
+	if (ioctl(handle, GPIOTOGGLE, &gpreq) < 0)
 		return (-1);
-	value = !value;
 
-	return (gpio_pin_set(handle, pin, value));
+	return (0);
 }
 
 int