(i) pressure is 20-bit unsigned, not signed; the buffer description
is incorrect; for raw reads, this is just cosmetic

(ii) temperature is 12-bit signed, not 16-bit; this affects
readout of temperatures below zero as the sign bit is incorrectly
processed

reported via private mail

Cc: stable@vger.kernel.org
Signed-off-by: NPeter Meerwald <pmeerw@pmeerw.net>
Reported-by: NRobert Deliën <robert@delien.nl>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>