tools: gpio: port gpio-hammer to v2 uAPI

Port the gpio-hammer tool to the latest GPIO uAPI.

Signed-off-by: Kent Gibson <warthog618@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

1 files changed, 20 insertions, 12 deletions

diff --git a/tools/gpio/gpio-hammer.c b/tools/gpio/gpio-hammer.c
index a2c7577fad5c..54fdf59dd320 100644
--- a/tools/gpio/gpio-hammer.c
+++ b/tools/gpio/gpio-hammer.c
@@ -25,23 +25,30 @@
 int hammer_device(const char *device_name, unsigned int *lines, int num_lines,
 		  unsigned int loops)
 {
-	struct gpiohandle_data data;
+	struct gpio_v2_line_values values;
+	struct gpio_v2_line_config config;
 	char swirr[] = "-\\|/";
 	int fd;
 	int ret;
 	int i, j;
 	unsigned int iteration = 0;
 
-	memset(&data.values, 0, sizeof(data.values));
-	ret = gpiotools_request_linehandle(device_name, lines, num_lines,
-					   GPIOHANDLE_REQUEST_OUTPUT, &data,
-					   "gpio-hammer");
+	memset(&config, 0, sizeof(config));
+	config.flags = GPIO_V2_LINE_FLAG_OUTPUT;
+
+	ret = gpiotools_request_line(device_name, lines, num_lines,
+				     &config, "gpio-hammer");
 	if (ret < 0)
 		goto exit_error;
 	else
 		fd = ret;
 
-	ret = gpiotools_get_values(fd, &data);
+	values.mask = 0;
+	values.bits = 0;
+	for (i = 0; i < num_lines; i++)
+		gpiotools_set_bit(&values.mask, i);
+
+	ret = gpiotools_get_values(fd, &values);
 	if (ret < 0)
 		goto exit_close_error;
 
@@ -53,7 +60,7 @@ int hammer_device(const char *device_name, unsigned int *lines, int num_lines,
 	}
 	fprintf(stdout, "] on %s, initial states: [", device_name);
 	for (i = 0; i < num_lines; i++) {
-		fprintf(stdout, "%d", data.values[i]);
+		fprintf(stdout, "%d", gpiotools_test_bit(values.bits, i));
 		if (i != (num_lines - 1))
 			fprintf(stdout, ", ");
 	}
@@ -64,14 +71,14 @@ int hammer_device(const char *device_name, unsigned int *lines, int num_lines,
 	while (1) {
 		/* Invert all lines so we blink */
 		for (i = 0; i < num_lines; i++)
-			data.values[i] = !data.values[i];
+			gpiotools_change_bit(&values.bits, i);
 
-		ret = gpiotools_set_values(fd, &data);
+		ret = gpiotools_set_values(fd, &values);
 		if (ret < 0)
 			goto exit_close_error;
 
 		/* Re-read values to get status */
-		ret = gpiotools_get_values(fd, &data);
+		ret = gpiotools_get_values(fd, &values);
 		if (ret < 0)
 			goto exit_close_error;
 
@@ -82,7 +89,8 @@ int hammer_device(const char *device_name, unsigned int *lines, int num_lines,
 
 		fprintf(stdout, "[");
 		for (i = 0; i < num_lines; i++) {
-			fprintf(stdout, "%d: %d", lines[i], data.values[i]);
+			fprintf(stdout, "%d: %d", lines[i],
+				gpiotools_test_bit(values.bits, i));
 			if (i != (num_lines - 1))
 				fprintf(stdout, ", ");
 		}
@@ -97,7 +105,7 @@ int hammer_device(const char *device_name, unsigned int *lines, int num_lines,
 	ret = 0;
 
 exit_close_error:
-	gpiotools_release_linehandle(fd);
+	gpiotools_release_line(fd);
 exit_error:
 	return ret;
 }