From: Michael Hennerich <michael.hennerich@analog.com>
Date: Fri, 2 Sep 2011 16:25:36 +0000 (+0100)
Subject: staging:iio:adc:ad7291: fix channel mapping
X-Git-Tag: v3.2-rc1~169^2^2~702
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e70ab21849730fccacbd39c0ea76c7b80ac1e090;p=profile%2Fivi%2Fkernel-x86-ivi.git

staging:iio:adc:ad7291: fix channel mapping

ideally in_voltageX_raw should map to AD7291 VINX.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c
index ebb1e28..014df62 100644
--- a/drivers/staging/iio/adc/ad7291.c
+++ b/drivers/staging/iio/adc/ad7291.c
@@ -435,7 +435,7 @@ static int ad7291_read_raw(struct iio_dev *indio_dev,
 			}
 			/* Enable this channel alone */
 			regval = chip->command & (~AD7291_VOLTAGE_MASK);
-			regval |= 1 << (chan->channel + 8);
+			regval |= 1 << (15 - chan->channel);
 			ret = ad7291_i2c_write(chip, AD7291_COMMAND, regval);
 			if (ret < 0) {
 				mutex_unlock(&chip->state_lock);