tools: add a newline between the usage and summary sections of help text

Improve the readability of help messages in all tools by adding
a newline between the usage and summary sections.

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

diff --git a/tools/gpiodetect.c b/tools/gpiodetect.c
index aa86568e90126c5f6d65f14abfeaab6de7c087c5..1c992a4313825eab1471df97b0c392d409b526b3 100644 (file)
--- a/tools/gpiodetect.c
+++ b/tools/gpiodetect.c
@@ -23,6 +23,7 @@ static const char *const shortopts = "+hv";
 static void print_help(void)
 {
        printf("Usage: %s [OPTIONS]\n", get_progname());
+       printf("\n");
        printf("List all GPIO chips, print their labels and number of GPIO lines.\n");
        printf("\n");
        printf("Options:\n");

diff --git a/tools/gpiofind.c b/tools/gpiofind.c
index 35cc491753a765397b3a3b4b2e2f3da218681f55..931ac40db3134044bed5acf231fb0dbb585955f7 100644 (file)
--- a/tools/gpiofind.c
+++ b/tools/gpiofind.c
@@ -23,6 +23,7 @@ static const char *const shortopts = "+hv";
 static void print_help(void)
 {
        printf("Usage: %s [OPTIONS] <name>\n", get_progname());
+       printf("\n");
        printf("Find a GPIO line by name. The output of this command can be used as input for gpioget/set.\n");
        printf("\n");
        printf("Options:\n");

diff --git a/tools/gpioget.c b/tools/gpioget.c
index 6a22164c96ac929a87ecaa076bdefd04d48ea193..815507dc9dff1ad491947e032e9aae39c50b74f6 100644 (file)
--- a/tools/gpioget.c
+++ b/tools/gpioget.c
@@ -27,6 +27,7 @@ static void print_help(void)
 {
        printf("Usage: %s [OPTIONS] <chip name/number> <offset 1> <offset 2> ...\n",
               get_progname());
+       printf("\n");
        printf("Read line value(s) from a GPIO chip\n");
        printf("\n");
        printf("Options:\n");

diff --git a/tools/gpioinfo.c b/tools/gpioinfo.c
index 8a1d00d67f71e43889198f72076caeb67f064365..6f94b4eb16e3a5519b66bcfa7136ddc09d9ad2b7 100644 (file)
--- a/tools/gpioinfo.c
+++ b/tools/gpioinfo.c
@@ -47,6 +47,7 @@ static const char *const shortopts = "+hv";
 static void print_help(void)
 {
        printf("Usage: %s [OPTIONS] <gpiochip1> ...\n", get_progname());
+       printf("\n");
        printf("Print information about all lines of the specified GPIO chip(s) (or all gpiochips if none are specified).\n");
        printf("\n");
        printf("Options:\n");

diff --git a/tools/gpiomon.c b/tools/gpiomon.c
index 0a61abf674f68c6884af9a9b5ce7c7b2db13a2b9..638354de9678b0754a2492624b52d96304863af9 100644 (file)
--- a/tools/gpiomon.c
+++ b/tools/gpiomon.c
@@ -38,6 +38,7 @@ static void print_help(void)
 {
        printf("Usage: %s [OPTIONS] <chip name/number> <offset 1> <offset 2> ...\n",
               get_progname());
+       printf("\n");
        printf("Wait for events on GPIO lines and print them to standard output\n");
        printf("\n");
        printf("Options:\n");

diff --git a/tools/gpioset.c b/tools/gpioset.c
index 610ff75b58a23b37b6f501c13c75c62803526105..8880c8ea3d47d9f750edc99332c89d749d2de930 100644 (file)
--- a/tools/gpioset.c
+++ b/tools/gpioset.c
@@ -38,6 +38,7 @@ static void print_help(void)
 {
        printf("Usage: %s [OPTIONS] <chip name/number> <offset1>=<value1> <offset2>=<value2> ...\n",
               get_progname());
+       printf("\n");
        printf("Set GPIO line values of a GPIO chip and maintain the state until the process exits\n");
        printf("\n");
        printf("Options:\n");