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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-08 04:59:07 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-08 04:59:07 +0400
commitc1a567d31b5488f4593eae7ca215264947b355ca (patch)
tree347b8226a2e92676dc2618d8109b99aa275aa31e /drivers/iio
parent14b596c9d80bf63da3f0fcbddfd67eb62197afb4 (diff)
parentcd3de83f147601356395b57a8673e9c5ff1e59d1 (diff)
downloadlinux-c1a567d31b5488f4593eae7ca215264947b355ca.tar.xz
Merge 3.16-rc4 into staging-next
We want the staging tree fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/ad799x.c8
-rw-r--r--drivers/iio/inkern.c6
2 files changed, 10 insertions, 4 deletions
diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index 7e08c601f66e..6cf9ee18a216 100644
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -426,9 +426,12 @@ static int ad799x_write_event_value(struct iio_dev *indio_dev,
int ret;
struct ad799x_state *st = iio_priv(indio_dev);
+ if (val < 0 || val > RES_MASK(chan->scan_type.realbits))
+ return -EINVAL;
+
mutex_lock(&indio_dev->mlock);
ret = ad799x_i2c_write16(st, ad799x_threshold_reg(chan, dir, info),
- val);
+ val << chan->scan_type.shift);
mutex_unlock(&indio_dev->mlock);
return ret;
@@ -451,7 +454,8 @@ static int ad799x_read_event_value(struct iio_dev *indio_dev,
mutex_unlock(&indio_dev->mlock);
if (ret < 0)
return ret;
- *val = valin;
+ *val = (valin >> chan->scan_type.shift) &
+ RES_MASK(chan->scan_type.realbits);
return IIO_VAL_INT;
}
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index d833d55052ea..c7497009d60a 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -183,7 +183,7 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
else if (name && index >= 0) {
pr_err("ERROR: could not get IIO channel %s:%s(%i)\n",
np->full_name, name ? name : "", index);
- return chan;
+ return NULL;
}
/*
@@ -193,8 +193,9 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
*/
np = np->parent;
if (np && !of_get_property(np, "io-channel-ranges", NULL))
- break;
+ return NULL;
}
+
return chan;
}
@@ -317,6 +318,7 @@ struct iio_channel *iio_channel_get(struct device *dev,
if (channel != NULL)
return channel;
}
+
return iio_channel_get_sys(name, channel_name);
}
EXPORT_SYMBOL_GPL(iio_channel_get);