[PATCH v7 1/5] iio: vcnl4000: Fix i2c swapped word reading.

[Mathieu Othacehe]

The bytes returned by the i2c reading need to be swapped
unconditionally. Otherwise, on be16 platforms, an incorrect value will be
returned.

Fixes: 62a1efb9f868 ("iio: add vcnl4000 combined ALS and proximity sensor")
Signed-off-by: Mathieu Othacehe <m.othac...@gmail.com>
---
 drivers/iio/light/vcnl4000.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c
index 58e97462e803..e5f86bd00fb0 100644
--- a/drivers/iio/light/vcnl4000.c
+++ b/drivers/iio/light/vcnl4000.c
@@ -219,7 +219,6 @@ static int vcnl4000_measure(struct vcnl4000_data *data, u8 
req_mask,
                                u8 rdy_mask, u8 data_reg, int *val)
 {
        int tries = 20;
-       __be16 buf;
        int ret;
 
        mutex_lock(&data->vcnl4000_lock);
@@ -246,13 +245,12 @@ static int vcnl4000_measure(struct vcnl4000_data *data, 
u8 req_mask,
                goto fail;
        }
 
-       ret = i2c_smbus_read_i2c_block_data(data->client,
-               data_reg, sizeof(buf), (u8 *) &buf);
+       ret = i2c_smbus_read_word_swapped(data->client, data_reg);
        if (ret < 0)
                goto fail;
 
        mutex_unlock(&data->vcnl4000_lock);
-       *val = be16_to_cpu(buf);
+       *val = ret;
 
        return 0;
 
-- 
2.26.0