No idea why iio needs wall clock based time stamps, but we can avoid
the timespec conversion dance by using the new interfaces.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Acked-by: NJonathan Cameron <jic23@kernel.org>
Signed-off-by: NJohn Stultz <john.stultz@linaro.org>