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 b531dc1..7707f8f 100644
--- a/drivers/staging/iio/sysfs.h
+++ b/drivers/staging/iio/sysfs.h
@@ -249,6 +249,38 @@
#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