summaryrefslogtreecommitdiffstats
path: root/tools/gpio
diff options
context:
space:
mode:
authorKent Gibson <warthog618@gmail.com>2020-10-15 01:11:58 +0200
committerLinus Walleij <linus.walleij@linaro.org>2020-12-05 23:22:48 +0100
commite0822cf9b892ed051830daaf57896aca48c8567b (patch)
tree8ccec9ab7c6ac7082f8dc41dde18db7d18a41a83 /tools/gpio
parenttools: gpio: add support for reporting realtime event clock to lsgpio (diff)
downloadlinux-e0822cf9b892ed051830daaf57896aca48c8567b.tar.xz
linux-e0822cf9b892ed051830daaf57896aca48c8567b.zip
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@gmail.com> Link: https://lore.kernel.org/r/20201014231158.34117-4-warthog618@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'tools/gpio')
-rw-r--r--tools/gpio/gpio-event-mon.c6
1 files changed, 5 insertions, 1 deletions
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;