The patch below does not apply to the 4.9-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 47af2c676ae1e84140225d261a00bdf88f1f9f7e Mon Sep 17 00:00:00 2001
From: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
Date: Mon, 28 Nov 2016 16:22:44 -0500
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@xxxxxxxxx>
Cc: <Stable@xxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
diff --git a/drivers/iio/counter/104-quad-8.c b/drivers/iio/counter/104-quad-8.c
index 2d2ee353dde7..c0a69d7e9ce7 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;
}
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