staging: iio: events define macros for new event code system

These are step one of moving to a systematic numbering for event
codes.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/iio/sysfs.h b/drivers/staging/iio/sysfs.h
index b531dc1db4f1a1a46f8cd2efe11fa741f77e09a7..7707f8f9e55f8eb46ba9676e6ba0a2f85d724fd9 100644 (file)
--- a/drivers/staging/iio/sysfs.h
+++ b/drivers/staging/iio/sysfs.h
@@ -249,6 +249,38 @@ struct iio_const_attr {
 #define IIO_EVENT_ATTR_DATA_RDY(_show, _store, _mask, _handler) \
        IIO_EVENT_ATTR(data_rdy, _show, _store, _mask, _handler)
 
+#define IIO_EV_CLASS_BUFFER            0
+#define IIO_EV_CLASS_IN                        1
+#define IIO_EV_CLASS_ACCEL             2
+#define IIO_EV_CLASS_GYRO              3
+#define IIO_EV_CLASS_MAGN              4
+#define IIO_EV_CLASS_LIGHT             5
+#define IIO_EV_CLASS_PROXIMITY         6
+
+#define IIO_EV_MOD_X                   0
+#define IIO_EV_MOD_Y                   1
+#define IIO_EV_MOD_Z                   2
+
+#define IIO_EV_TYPE_THRESH             0
+#define IIO_EV_TYPE_MAG                        1
+#define IIO_EV_TYPE_ROC                        2
+
+#define IIO_EV_DIR_EITHER              0
+#define IIO_EV_DIR_RISING              1
+#define IIO_EV_DIR_FALLING             2
+
+#define IIO_EVENT_CODE(channelclass, orient_bit, number,               \
+                      modifier, type, direction)                       \
+       (channelclass | (orient_bit << 8) | ((number) << 9) |           \
+        ((modifier) << 13) | ((type) << 16) | ((direction) << 24))
+
+#define IIO_MOD_EVENT_CODE(channelclass, number, modifier,             \
+                          type, direction)                             \
+       IIO_EVENT_CODE(channelclass, 1, number, modifier, type, direction)
+
+#define IIO_UNMOD_EVENT_CODE(channelclass, number, type, direction)    \
+       IIO_EVENT_CODE(channelclass, 0, number, 0, type, direction)
+
 #define IIO_EVENT_CODE_DATA_RDY                100
 #define IIO_EVENT_CODE_RING_BASE       200
 #define IIO_EVENT_CODE_ACCEL_BASE      300