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Message-Id: <20201014231158.34117-4-warthog618@gmail.com>
Date:   Thu, 15 Oct 2020 07:11:58 +0800
From:   Kent Gibson <warthog618@...il.com>
To:     linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        bgolaszewski@...libre.com, linus.walleij@...aro.org
Cc:     Kent Gibson <warthog618@...il.com>
Subject: [PATCH v2 3/3] tools: gpio: add option to report wall-clock time to gpio-event-mon

Add support for selecting the realtime clock for events.

Signed-off-by: Kent Gibson <warthog618@...il.com>
---
 tools/gpio/gpio-event-mon.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c
index 90c3155f05b1..cacd66ad7926 100644
--- a/tools/gpio/gpio-event-mon.c
+++ b/tools/gpio/gpio-event-mon.c
@@ -148,6 +148,7 @@ void print_usage(void)
 		"  -s         Set line as open source\n"
 		"  -r         Listen for rising edges\n"
 		"  -f         Listen for falling edges\n"
+		"  -w         Report the wall-clock time for events\n"
 		"  -b <n>     Debounce the line with period n microseconds\n"
 		" [-c <n>]    Do <n> loops (optional, infinite loop if not stated)\n"
 		"  -?         This helptext\n"
@@ -173,7 +174,7 @@ int main(int argc, char **argv)
 
 	memset(&config, 0, sizeof(config));
 	config.flags = GPIO_V2_LINE_FLAG_INPUT;
-	while ((c = getopt(argc, argv, "c:n:o:b:dsrf?")) != -1) {
+	while ((c = getopt(argc, argv, "c:n:o:b:dsrfw?")) != -1) {
 		switch (c) {
 		case 'c':
 			loops = strtoul(optarg, NULL, 10);
@@ -204,6 +205,9 @@ int main(int argc, char **argv)
 		case 'f':
 			config.flags |= GPIO_V2_LINE_FLAG_EDGE_FALLING;
 			break;
+		case 'w':
+			config.flags |= GPIO_V2_LINE_FLAG_EVENT_CLOCK_REALTIME;
+			break;
 		case '?':
 			print_usage();
 			return -1;
-- 
2.28.0

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