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buffer-utils: Error out if no sensor is enabled in enable_sensors()

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Error out if none of the sensors could be enabled, and throw a warning.
This commit is contained in:
Bastien Nocera
2016-06-14 17:05:18 +02:00
parent d0187d73ee
commit 3816a34120
1 changed files with 7 additions and 2 deletions
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9
src/iio-buffer-utils.c
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@@ -521,7 +521,7 @@ enable_sensors (GUdevDevice *dev,
GDir *dir; GDir *dir;
char *device_dir; char *device_dir;
const char *name; const char *name;
gboolean ret = TRUE; gboolean ret = FALSE;
device_dir = g_build_filename (g_udev_device_get_sysfs_path (dev), "scan_elements", NULL); device_dir = g_build_filename (g_udev_device_get_sysfs_path (dev), "scan_elements", NULL);
dir = g_dir_open (device_dir, 0, NULL); dir = g_dir_open (device_dir, 0, NULL);
@@ -547,15 +547,20 @@ enable_sensors (GUdevDevice *dev,
/* Enable */ /* Enable */
if (write_sysfs_int (name, device_dir, enable) < 0) { if (write_sysfs_int (name, device_dir, enable) < 0) {
g_warning ("Could not enable sensor %s/%s", device_dir, name); g_warning ("Could not enable sensor %s/%s", device_dir, name);
ret = FALSE;
continue; continue;
} }
ret = TRUE;
g_debug ("Enabled sensor %s/%s", device_dir, name); g_debug ("Enabled sensor %s/%s", device_dir, name);
} }
g_dir_close (dir); g_dir_close (dir);
g_free (device_dir); g_free (device_dir);
if (!ret) {
g_warning ("Failed to enable any sensors for device '%s'",
g_udev_device_get_sysfs_path (dev));
}
return ret; return ret;
} }