linux-kernel - [PATCH] iio: 104-quad-8: Fix index control configuration

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Message-ID: <20161128212244.GA6655@sophia>
Date:   Mon, 28 Nov 2016 16:22:44 -0500
From:   William Breathitt Gray <vilhelm.gray@...il.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] iio: 104-quad-8: Fix index control configuration

The LS7266R1 requires bits 5 & 6 to be high in order to select the Index
Control Register. This patch fixes a typo that incorrectly selects the
Input/Output Control Register where the Index Control Register was
desired.

Fixes: 28e5d3bb0325 ("iio: 104-quad-8: Add IIO support for the ACCES 104-QUAD-8")
Signed-off-by: William Breathitt Gray <vilhelm.gray@...il.com>
---
 drivers/iio/counter/104-quad-8.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/counter/104-quad-8.c b/drivers/iio/counter/104-quad-8.c
index 2d2ee35..c0a69d7 100644
--- a/drivers/iio/counter/104-quad-8.c
+++ b/drivers/iio/counter/104-quad-8.c
@@ -362,7 +362,7 @@ static int quad8_set_synchronous_mode(struct iio_dev *indio_dev,
 	priv->synchronous_mode[chan->channel] = synchronous_mode;
 
 	/* Load Index Control configuration to Index Control Register */
-	outb(0x40 | idr_cfg, base_offset);
+	outb(0x60 | idr_cfg, base_offset);
 
 	return 0;
 }
@@ -444,7 +444,7 @@ static int quad8_set_index_polarity(struct iio_dev *indio_dev,
 	priv->index_polarity[chan->channel] = index_polarity;
 
 	/* Load Index Control configuration to Index Control Register */
-	outb(0x40 | idr_cfg, base_offset);
+	outb(0x60 | idr_cfg, base_offset);
 
 	return 0;
 }
-- 
2.10.2