From d8cfb3566542d3e5c5bc92f5bb3168088de038a7 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@kernel.org>
Date: Mon, 5 Dec 2011 22:18:22 +0000
Subject: [PATCH] --- yaml --- r: 281262 b: refs/heads/master c:
 950935b17c67ddfedfc5cf917de3da7294307874 h: refs/heads/master v: v3

---
 [refs]                                 |  2 +-
 trunk/drivers/staging/iio/adc/ad7793.c | 22 +---------------------
 2 files changed, 2 insertions(+), 22 deletions(-)

diff --git a/[refs] b/[refs]
index a4eeb2a3267e..473985aca7c7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9380d5ed36268432322fdd50c10bf0eb466b700a
+refs/heads/master: 950935b17c67ddfedfc5cf917de3da7294307874
diff --git a/trunk/drivers/staging/iio/adc/ad7793.c b/trunk/drivers/staging/iio/adc/ad7793.c
index b2dedb2dfc2e..4047c5d205e1 100644
--- a/trunk/drivers/staging/iio/adc/ad7793.c
+++ b/trunk/drivers/staging/iio/adc/ad7793.c
@@ -316,25 +316,6 @@ static int ad7793_setup(struct ad7793_state *st)
 	return ret;
 }
 
-static int ad7793_scan_from_ring(struct ad7793_state *st, unsigned ch, int *val)
-{
-	struct iio_buffer *ring = iio_priv_to_dev(st)->buffer;
-	int ret;
-	s64 dat64[2];
-	u32 *dat32 = (u32 *)dat64;
-
-	if (!(test_bit(ch, ring->scan_mask)))
-		return  -EBUSY;
-
-	ret = ring->access->read_last(ring, (u8 *) &dat64);
-	if (ret)
-		return ret;
-
-	*val = *dat32;
-
-	return 0;
-}
-
 static int ad7793_ring_preenable(struct iio_dev *indio_dev)
 {
 	struct ad7793_state *st = iio_priv(indio_dev);
@@ -650,8 +631,7 @@ static int ad7793_read_raw(struct iio_dev *indio_dev,
 	case 0:
 		mutex_lock(&indio_dev->mlock);
 		if (iio_buffer_enabled(indio_dev))
-			ret = ad7793_scan_from_ring(st,
-					chan->scan_index, &smpl);
+			ret = -EBUSY;
 		else
 			ret = ad7793_read(st, chan->address,
 					chan->scan_type.realbits / 8, &smpl);