staging:iio:adc:ad7816 and adt75 change to meaningful event code.

This was another abuse of the buffer event codes.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/iio/adc/ad7816.c

@@ -247,7 +247,10 @@ static const struct attribute_group ad7816_attribute_group = {
  * temperature bound events
  */
 
-#define IIO_EVENT_CODE_AD7816_OTI    IIO_BUFFER_EVENT_CODE(0)
+#define IIO_EVENT_CODE_AD7816_OTI IIO_UNMOD_EVENT_CODE(IIO_EV_CLASS_TEMP, \
+						       0,		\
+						       IIO_EV_TYPE_THRESH, \
+						       IIO_EV_DIR_FALLING)
 
 static irqreturn_t ad7816_event_handler(int irq, void *private)
 {

drivers/staging/iio/adc/adt75.c

@@ -258,7 +258,10 @@ static const struct attribute_group adt75_attribute_group = {
  * temperature bound events
  */
 
-#define IIO_EVENT_CODE_ADT75_OTI    IIO_BUFFER_EVENT_CODE(0)
+#define IIO_EVENT_CODE_ADT75_OTI IIO_UNMOD_EVENT_CODE(IIO_EV_CLASS_TEMP, \
+						      0,		\
+						      IIO_EV_TYPE_THRESH, \
+						      IIO_EV_DIR_FALLING)
 
 static irqreturn_t adt75_event_handler(int irq, void *private)
 {