tests: benchmarks: power_consumption: gpio: prevent irq when toggling

There should be single, short impulse at pin.
If it will be interrupted by irq at state high,
will trigger irq loop.

Additionally, do not light LED when sleeping.

Signed-off-by: Piotr Kosycarz <piotr.kosycarz@nordicsemi.no>
(cherry picked from commit 35f5a4b)

tests/benchmarks/power_consumption/common/main.c

@@ -19,11 +19,11 @@ void timer_handler(struct k_timer *dummy)
 {
 	if (state == true) {
 		state = false;
-		gpio_pin_set_dt(&led, 0);
+		gpio_pin_set_dt(&led, 1);
 		k_thread_resume(thread_id);
 	} else {
 		state = true;
-		gpio_pin_set_dt(&led, 1);
+		gpio_pin_set_dt(&led, 0);
 		k_thread_suspend(thread_id);
 	}
 }

tests/benchmarks/power_consumption/gpio/src/driver_test.c

@@ -6,6 +6,7 @@
 
 #include <zephyr/drivers/gpio.h>
 #include <zephyr/kernel.h>
+#include <zephyr/irq.h>
 
 #define OUTPUT_NODE DT_ALIAS(out0)
 #define INPUT_NODE  DT_ALIAS(in0)
@@ -24,6 +25,7 @@ void input_active(const struct device *dev, struct gpio_callback *cb, uint32_t p
 void thread_definition(void)
 {
 	int rc;
+	unsigned int key;
 
 	rc = gpio_is_ready_dt(&input);
 	__ASSERT_NO_MSG(rc);
@@ -45,12 +47,12 @@ void thread_definition(void)
 
 	while (1) {
 		counter = 0;
+		key = irq_lock();
 		rc = gpio_pin_set_dt(&output, 0);
-		__ASSERT_NO_MSG(rc == 0);
 		rc = gpio_pin_set_dt(&output, 1);
 		rc = gpio_pin_set_dt(&output, 0);
+		irq_unlock(key);
 		__ASSERT_NO_MSG(counter == 1);
-		__ASSERT_NO_MSG(rc == 0);
 
 		k_msleep(10);
 	}