From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Date: Wed, 27 Mar 2019 13:47:21 +0000 (+0100)
Subject: tests: document the freq argument in test_set_event()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=78f8694da13405495276b97b688fe8fcee74677f;p=qemu-gpiodev%2Flibgpiod.git

tests: document the freq argument in test_set_event()

The freq argument is not documented and it's not clear what it means.
Add a brief comment.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---

diff --git a/tests/gpiod-test.h b/tests/gpiod-test.h
index b97cd47..040d993 100644
--- a/tests/gpiod-test.h
+++ b/tests/gpiod-test.h
@@ -93,6 +93,7 @@ const char *test_chip_path(unsigned int index);
 const char *test_chip_name(unsigned int index);
 unsigned int test_chip_num(unsigned int index);
 
+/* Last argument is the delay between line value switches in microseconds. */
 void test_set_event(unsigned int chip_index,
 		    unsigned int line_offset, unsigned int freq);