---

yaml --- r: 220147 b: refs/heads/master c: e968d09 h: refs/heads/master i: 220145: 561aea7 220143: 6bad25b v: v3
git-mirror · Oct 7, 2010 · 5666ec9 · 5666ec9
1 parent 3bd86b1
commit 5666ec9
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Showing 2 changed files with 18 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3ba2e4939d1d0426466de755a2435d2cbb311f8e
+refs/heads/master: e968d0950439c757b890f2a9543d9d17acf04be8
diff --git a/trunk/drivers/staging/iio/ring_generic.h b/trunk/drivers/staging/iio/ring_generic.h
@@ -292,6 +292,23 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
  **/
 #define IIO_CONST_ATTR_SCAN_EL_TYPE(_name, _sign, _bits, _storagebits) \
 	IIO_CONST_ATTR(_name##_type, #_sign#_bits"/"#_storagebits);
+
+/**
+ * IIO_CONST_ATTR_SCAN_EL_TYPE_WITH_SHIFT - attr to specify the data format of a scan el
+ * @name: the scan el name (may be more general and cover a set of scan elements
+ * @_sign: either s or u for signed or unsigned
+ * @_bits: number of actual bits occuplied by the value
+ * @_storagebits: number of bits _bits is padded to when read out of buffer
+ * @_shiftbits: number of bits _shiftbits the result must be shifted
+ **/
+#define IIO_CONST_ATTR_SCAN_EL_TYPE_WITH_SHIFT(_name, _sign, _bits, \
+					       _storagebits, _shiftbits) \
+	IIO_CONST_ATTR(_name##_type, #_sign#_bits"/"#_storagebits \
+		       ">>"#_shiftbits);
+
+#define IIO_SCAN_EL_TYPE_SIGNED         's'
+#define IIO_SCAN_EL_TYPE_UNSIGNED       'u'
+
 /*
  * These are mainly provided to allow for a change of implementation if a device
  * has a large number of scan elements