From: Dmitry Torokhov <dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Tong Zhang <lovewilliam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
LM Sensors <lm-sensors-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: Re: [PATCH 1/2] touchscreen: sun4i-ts: A10 (sun4i) has double the temperature precision
Date: Mon, 16 Jun 2014 14:30:48 -0700 [thread overview]
Message-ID: <20140616213048.GA422@core.coreip.homeip.net> (raw)
In-Reply-To: <1402943069-19420-2-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Hi Hans,
On Mon, Jun 16, 2014 at 08:24:28PM +0200, Hans de Goede wrote:
> Testing has revealed that the temperature in the rtp controller of the A10
> (sun4i) SoC has a resolution of 50 milli degrees / step, where as the
> A13 (sun5i) and later models have 100 milli degrees / step.
>
> Add a new sun5i-a13-ts compatible to differentiate the newer models and
> set the resolution based on the compatible string.
>
> This fixes the temperature reported on the A10 being twice as high as expected.
Should we maybe add explicit temperature steps property so that we won;t
need to patch again if they decided to change resolution again?
Thanks.
--
Dmitry
next prev parent reply other threads:[~2014-06-16 21:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-16 18:24 [PATCH 0/2] touchscreen: sun4i-ts: fix reported temperature on A10 Hans de Goede
[not found] ` <1402943069-19420-1-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-06-16 18:24 ` [PATCH 1/2] touchscreen: sun4i-ts: A10 (sun4i) has double the temperature precision Hans de Goede
[not found] ` <1402943069-19420-2-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-06-16 21:30 ` Dmitry Torokhov [this message]
[not found] ` <20140616213048.GA422-WlK9ik9hQGAhIp7JRqBPierSzoNAToWh@public.gmane.org>
2014-06-17 6:31 ` Hans de Goede
2014-06-17 17:15 ` Hans de Goede
2014-06-16 18:24 ` [PATCH 2/2] ARM: dts: sunxi: Adjust touchscreen compatible for sun5i and later Hans de Goede
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