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Diffstat (limited to 'include/linux/iio/iio.h')
-rw-r--r--include/linux/iio/iio.h23
1 files changed, 21 insertions, 2 deletions
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index ecbaeecbe0ac..e03b7e912d7d 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -177,8 +177,24 @@ struct iio_event_spec {
};
/**
+ * define IIO_SCAN_FORMAT_SIGNED_INT - signed integer data format
+ *
+ * &iio_scan_type.format value for signed integers (two's complement).
+ */
+#define IIO_SCAN_FORMAT_SIGNED_INT 's'
+
+/**
+ * define IIO_SCAN_FORMAT_UNSIGNED_INT - unsigned integer data format
+ *
+ * &iio_scan_type.format value for unsigned integers.
+ */
+#define IIO_SCAN_FORMAT_UNSIGNED_INT 'u'
+
+/**
* struct iio_scan_type - specification for channel data format in buffer
- * @sign: 's' or 'u' to specify signed or unsigned
+ * @sign: Deprecated, use @format instead.
+ * @format: Data format, can have any of the IIO_SCAN_FORMAT_*
+ * values.
* @realbits: Number of valid bits of data
* @storagebits: Realbits + padding
* @shift: Shift right by this before masking out realbits.
@@ -189,7 +205,10 @@ struct iio_event_spec {
* @endianness: little or big endian
*/
struct iio_scan_type {
- char sign;
+ union {
+ char sign;
+ char format;
+ };
u8 realbits;
u8 storagebits;
u8 shift;