From 6cef2ab01636b6021044f349df466a97c408ec27 Mon Sep 17 00:00:00 2001
From: John Syne <rodrigosiqueiramelo@gmail.com>
Date: Fri, 23 Mar 2018 11:25:48 -0300
Subject: [PATCH] staging:iio:ade7854: Fix the wrong number of bits to read
Git-commit: 6cef2ab01636b6021044f349df466a97c408ec27
Patch-mainline: v4.18-rc1
References: bsc#1051510
Fixes: correctly handle the data size in the read operation for I2C
The function ade7854_i2c_read_reg_32() have to invoke the
i2c_master_recv() for read 32 bits values, however, the counter is set
to 3 which means 24 bits. This patch fixes the wrong size of 24 bits, to
32 bits.
Signed-off-by: John Syne <john3909@gmail.com>
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Fixes: 8d97a5877 ("staging: iio: meter: new driver for ADE7754 devices")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/staging/iio/meter/ade7854-i2c.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/iio/meter/ade7854-i2c.c b/drivers/staging/iio/meter/ade7854-i2c.c
index 4437f1e33261..37c957482493 100644
--- a/drivers/staging/iio/meter/ade7854-i2c.c
+++ b/drivers/staging/iio/meter/ade7854-i2c.c
@@ -191,7 +191,7 @@ static int ade7854_i2c_read_reg_32(struct device *dev,
if (ret < 0)
goto out;
- ret = i2c_master_recv(st->i2c, st->rx, 3);
+ ret = i2c_master_recv(st->i2c, st->rx, 4);
if (ret < 0)
goto out;
--
2.18.0