linux-kernel - Re: [RFC v2 4/4] iio: chemical: add SGX VZ89x VOC sensor support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <55ED460A.1080706@metafoo.de>
Date:	Mon, 07 Sep 2015 10:08:42 +0200
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Matt Ranostay <mranostay@...il.com>,
	Jonathan Cameron <jic23@...nel.org>
CC:	Peter Meerwald <pmeerw@...erw.net>,
	"open list:IIO SUBSYSTEM AND..." <linux-iio@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	George McCollister <george.mccollister@...il.com>
Subject: Re: [RFC v2 4/4] iio: chemical: add SGX VZ89x VOC sensor support

On 09/07/2015 06:27 AM, Matt Ranostay wrote:
> Thinking this over do we needed a IIO_CHAN_INFO_PROCESSED_OFFSET to
> signal that it needs to be after the (value - offset) * scale
> calculation?

Well, value * scale + offset = (value + offset/scale) * scale. So just scale
your offset inversely to the scale.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/