[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/tools/iio/lsiio.c b/src/kernel/linux/v4.14/tools/iio/lsiio.c
new file mode 100644
index 0000000..ab0f5cf
--- /dev/null
+++ b/src/kernel/linux/v4.14/tools/iio/lsiio.c
@@ -0,0 +1,191 @@
+/*
+ * Industrial I/O utilities - lsiio.c
+ *
+ * Copyright (c) 2010 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#include <string.h>
+#include <dirent.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/dir.h>
+#include "iio_utils.h"
+
+static enum verbosity {
+ VERBLEVEL_DEFAULT, /* 0 gives lspci behaviour */
+ VERBLEVEL_SENSORS, /* 1 lists sensors */
+} verblevel = VERBLEVEL_DEFAULT;
+
+const char *type_device = "iio:device";
+const char *type_trigger = "trigger";
+
+static inline int check_prefix(const char *str, const char *prefix)
+{
+ return strlen(str) > strlen(prefix) &&
+ strncmp(str, prefix, strlen(prefix)) == 0;
+}
+
+static inline int check_postfix(const char *str, const char *postfix)
+{
+ return strlen(str) > strlen(postfix) &&
+ strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
+}
+
+static int dump_channels(const char *dev_dir_name)
+{
+ DIR *dp;
+ const struct dirent *ent;
+
+ dp = opendir(dev_dir_name);
+ if (!dp)
+ return -errno;
+
+ while (ent = readdir(dp), ent)
+ if (check_prefix(ent->d_name, "in_") &&
+ (check_postfix(ent->d_name, "_raw") ||
+ check_postfix(ent->d_name, "_input")))
+ printf(" %-10s\n", ent->d_name);
+
+ return (closedir(dp) == -1) ? -errno : 0;
+}
+
+static int dump_one_device(const char *dev_dir_name)
+{
+ char name[IIO_MAX_NAME_LENGTH];
+ int dev_idx;
+ int ret;
+
+ ret = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device), "%i",
+ &dev_idx);
+ if (ret != 1)
+ return -EINVAL;
+
+ ret = read_sysfs_string("name", dev_dir_name, name);
+ if (ret < 0)
+ return ret;
+
+ printf("Device %03d: %s\n", dev_idx, name);
+
+ if (verblevel >= VERBLEVEL_SENSORS)
+ return dump_channels(dev_dir_name);
+
+ return 0;
+}
+
+static int dump_one_trigger(const char *dev_dir_name)
+{
+ char name[IIO_MAX_NAME_LENGTH];
+ int dev_idx;
+ int ret;
+
+ ret = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger),
+ "%i", &dev_idx);
+ if (ret != 1)
+ return -EINVAL;
+
+ ret = read_sysfs_string("name", dev_dir_name, name);
+ if (ret < 0)
+ return ret;
+
+ printf("Trigger %03d: %s\n", dev_idx, name);
+
+ return 0;
+}
+
+static int dump_devices(void)
+{
+ const struct dirent *ent;
+ int ret;
+ DIR *dp;
+
+ dp = opendir(iio_dir);
+ if (!dp) {
+ fprintf(stderr, "No industrial I/O devices available\n");
+ return -ENODEV;
+ }
+
+ while (ent = readdir(dp), ent) {
+ if (check_prefix(ent->d_name, type_device)) {
+ char *dev_dir_name;
+
+ if (asprintf(&dev_dir_name, "%s%s", iio_dir,
+ ent->d_name) < 0) {
+ ret = -ENOMEM;
+ goto error_close_dir;
+ }
+
+ ret = dump_one_device(dev_dir_name);
+ if (ret) {
+ free(dev_dir_name);
+ goto error_close_dir;
+ }
+
+ free(dev_dir_name);
+ if (verblevel >= VERBLEVEL_SENSORS)
+ printf("\n");
+ }
+ }
+ rewinddir(dp);
+ while (ent = readdir(dp), ent) {
+ if (check_prefix(ent->d_name, type_trigger)) {
+ char *dev_dir_name;
+
+ if (asprintf(&dev_dir_name, "%s%s", iio_dir,
+ ent->d_name) < 0) {
+ ret = -ENOMEM;
+ goto error_close_dir;
+ }
+
+ ret = dump_one_trigger(dev_dir_name);
+ if (ret) {
+ free(dev_dir_name);
+ goto error_close_dir;
+ }
+
+ free(dev_dir_name);
+ }
+ }
+
+ return (closedir(dp) == -1) ? -errno : 0;
+
+error_close_dir:
+ if (closedir(dp) == -1)
+ perror("dump_devices(): Failed to close directory");
+
+ return ret;
+}
+
+int main(int argc, char **argv)
+{
+ int c, err = 0;
+
+ while ((c = getopt(argc, argv, "v")) != EOF) {
+ switch (c) {
+ case 'v':
+ verblevel++;
+ break;
+
+ case '?':
+ default:
+ err++;
+ break;
+ }
+ }
+ if (err || argc > optind) {
+ fprintf(stderr, "Usage: lsiio [options]...\n"
+ "List industrial I/O devices\n"
+ " -v Increase verbosity (may be given multiple times)\n");
+ exit(1);
+ }
+
+ return dump_devices();
+}