iio: imu: adis16400: Fix sign extension
authorRasmus Villemoes <linux@rasmusvillemoes.dk>
Thu, 22 Jan 2015 23:34:02 +0000 (00:34 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 18 Mar 2015 12:22:29 +0000 (13:22 +0100)
commitb5e10b06c525414503cd40b536604b0167c062e6
treebf3fd8484e70beba1d40e03fb92085dabfbbe110
parent22e764ee4bafa7dbf5edd2580de006e32e671e93
iio: imu: adis16400: Fix sign extension

commit 19e353f2b344ad86cea6ebbc0002e5f903480a90 upstream.

The intention is obviously to sign-extend a 12 bit quantity. But
because of C's promotion rules, the assignment is equivalent to "val16
&= 0xfff;". Use the proper API for this.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/iio/imu/adis16400_core.c