tools: gpio: port gpio-watch to v2 uAPI

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

Signed-off-by: Kent Gibson <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>
Signed-off-by: Bartosz Golaszewski <[e-mail]>

tools/gpio/gpio-watch.c

···
 
 int main(int argc, char **argv)
 {
-	struct gpioline_info_changed chg;
-	struct gpioline_info req;
+	struct gpio_v2_line_info_changed chg;
+	struct gpio_v2_line_info req;
 	struct pollfd pfd;
 	int fd, i, j, ret;
 	char *event, *end;
···
 	for (i = 0, j = 2; i < argc - 2; i++, j++) {
 		memset(&req, 0, sizeof(req));
 
-		req.line_offset = strtoul(argv[j], &end, 0);
+		req.offset = strtoul(argv[j], &end, 0);
 		if (*end != '\0')
 			goto err_usage;
 
-		ret = ioctl(fd, GPIO_GET_LINEINFO_WATCH_IOCTL, &req);
+		ret = ioctl(fd, GPIO_V2_GET_LINEINFO_WATCH_IOCTL, &req);
 		if (ret) {
 			perror("unable to set up line watch");
 			return EXIT_FAILURE;
···
 			}
 
 			switch (chg.event_type) {
-			case GPIOLINE_CHANGED_REQUESTED:
+			case GPIO_V2_LINE_CHANGED_REQUESTED:
 				event = "requested";
 				break;
-			case GPIOLINE_CHANGED_RELEASED:
+			case GPIO_V2_LINE_CHANGED_RELEASED:
 				event = "released";
 				break;
-			case GPIOLINE_CHANGED_CONFIG:
+			case GPIO_V2_LINE_CHANGED_CONFIG:
 				event = "config changed";
 				break;
 			default:
···
 			}
 
 			printf("line %u: %s at %llu\n",
-			       chg.info.line_offset, event, chg.timestamp);
+			       chg.info.offset, event, chg.timestamp_ns);
 		}
 	}