linux-kernel - [PATCH v2 2/8] staging:iio:ade7854: Fix the wrong number of bits to read

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Message-ID: <b5f76bfcf37667a473ec962bfafadc7f9455bec6.1521239766.git.rodrigosiqueiramelo@gmail.com>
Date:   Fri, 16 Mar 2018 19:48:51 -0300
From:   Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>
To:     John Syne <john3909@...il.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, Barry Song <21cnbao@...il.com>
Cc:     daniel.baluta@....com, linux-iio@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/8] staging:iio:ade7854: Fix the wrong number of bits to
 read

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. Finally, this patch is based on John Syne patches.

Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>
Signed-off-by: John Syne <john3909@...il.com>
---
 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;
 
-- 
2.16.2