These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / tools / iio / iio_utils.h

diff --git a/kernel/tools/iio/iio_utils.h b/kernel/tools/iio/iio_utils.h
index 1bc837b..e3503bf 100644 (file)
--- a/kernel/tools/iio/iio_utils.h
+++ b/kernel/tools/iio/iio_utils.h
@@ -18,6 +18,8 @@
 #define FORMAT_SCAN_ELEMENTS_DIR "%s/scan_elements"
 #define FORMAT_TYPE_FILE "%s_type"
 
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
+
 extern const char *iio_dir;
 
 /**
@@ -28,9 +30,12 @@ extern const char *iio_dir;
  * @offset: offset to be applied for conversion to si units
  * @index: the channel index in the buffer output
  * @bytes: number of bytes occupied in buffer output
+ * @bits_used: number of valid bits of data
+ * @shift: amount of bits to shift right data before applying bit mask
  * @mask: a bit mask for the raw output
+ * @be: flag if data is big endian
  * @is_signed: is the raw value stored signed
- * @enabled: is this channel enabled
+ * @location: data offset for this channel inside the buffer (in bytes)
  **/
 struct iio_channel_info {
        char *name;
@@ -48,24 +53,26 @@ struct iio_channel_info {
 };
 
 int iioutils_break_up_name(const char *full_name, char **generic_name);
-int iioutils_get_type(unsigned *is_signed, unsigned *bytes,
-                                         unsigned *bits_used, unsigned *shift,
-                                         uint64_t *mask, unsigned *be,
-                                         const char *device_dir, const char *name,
-                                         const char *generic_name);
+int iioutils_get_type(unsigned *is_signed, unsigned *bytes, unsigned *bits_used,
+                     unsigned *shift, uint64_t *mask, unsigned *be,
+                     const char *device_dir, const char *name,
+                     const char *generic_name);
 int iioutils_get_param_float(float *output, const char *param_name,
-                                                        const char *device_dir, const char *name,
-                                                        const char *generic_name);
-void bsort_channel_array_by_index(struct iio_channel_info **ci_array, int cnt);
+                            const char *device_dir, const char *name,
+                            const char *generic_name);
+void bsort_channel_array_by_index(struct iio_channel_info *ci_array, int cnt);
 int build_channel_array(const char *device_dir,
-                                               struct iio_channel_info **ci_array, int *counter);
+                       struct iio_channel_info **ci_array, int *counter);
 int find_type_by_name(const char *name, const char *type);
-int write_sysfs_int(char *filename, char *basedir, int val);
-int write_sysfs_int_and_verify(char *filename, char *basedir, int val);
-int write_sysfs_string_and_verify(char *filename, char *basedir, char *val);
-int write_sysfs_string(char *filename, char *basedir, char *val);
-int read_sysfs_posint(char *filename, char *basedir);
-int read_sysfs_float(char *filename, char *basedir, float *val);
+int write_sysfs_int(const char *filename, const char *basedir, int val);
+int write_sysfs_int_and_verify(const char *filename, const char *basedir,
+                              int val);
+int write_sysfs_string_and_verify(const char *filename, const char *basedir,
+                                 const char *val);
+int write_sysfs_string(const char *filename, const char *basedir,
+                      const char *val);
+int read_sysfs_posint(const char *filename, const char *basedir);
+int read_sysfs_float(const char *filename, const char *basedir, float *val);
 int read_sysfs_string(const char *filename, const char *basedir, char *str);
 
 #endif /* _IIO_UTILS_H_ */