staging:iio:magnetometer:ak8975: allocate chip state with iio_dev.

Here the ordering is a little tricky, so to keep changes minimal, a copy of the gpio
number is introduced.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1 file changed