[PATCH 4/4] iio: adc: twl4030-madc: add missing of.h include

The driver is using of_device_id and therefore needs to include
of.h header. We used to get this definition indirectly via inclusion
of matrix_keypad.h from twl.h, but we are cleaning up matrix_keypad.h
from unnecessary includes.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 drivers/iio/adc/twl4030-madc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c
index f8f8aea15612..c279c4f2c9b7 100644
--- a/drivers/iio/adc/twl4030-madc.c
+++ b/drivers/iio/adc/twl4030-madc.c

@@ -30,6 +30,7 @@
 #include <linux/types.h>
 #include <linux/gfp.h>
 #include <linux/err.h>
+#include <linux/of.h>
 #include <linux/regulator/consumer.h>
 
 #include <linux/iio/iio.h>

-- 
2.38.0.rc1.362.ged0d419d3c-goog