linux-kernel - Re: [PATCH] acerhdf: Fix fan activation with new thermal governor

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Date:	Sun, 24 Feb 2013 12:42:55 +0100
From:	Peter Feuerer <peter@...e.net>
To:	Borislav Petkov <bp@...en8.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Zhang Rui <rui.zhang@...el.com>,
	Durgadoss R <durgadoss.r@...el.com>,
	Borislav Petkov <bp@...e.de>, Andreas Mohr <andi@...as.de>,
	Alexander Lam <azl@...rew.cmu.edu>
Subject: Re: [PATCH] acerhdf: Fix fan activation with new thermal governor

Hi Boris,

thanks for your best wishes in the last mail, I'm feeling little better now.

Borislav Petkov writes:

> On Sat, Feb 23, 2013 at 08:20:10PM +0100, Borislav Petkov wrote:
>> From: Borislav Petkov <bp@...e.de>
>> 
>> The new step_wise thermal governor wasn't able to handle the one-trip
>> point design of acerhdf where we want to turn off the fan if we go under
>> the 'fanoff' temperature and to turn it on only after exceeding the
>> 'fanon' temperature.
>> 
>> Do that by looking at the current fan state and return the temperature
>> accordingly.
>> 
>> Suggested-by: Zhang Rui <rui.zhang@...el.com>
>> Cc: Peter Feuerer <peter@...e.net>
>> Cc: Andreas Mohr <andi@...as.de>
>> Cc: Alexander Lam <azl@...rew.cmu.edu>
>> Signed-off-by: Borislav Petkov <bp@...e.de>
> 
> Ok, ignore this one for now - the suspend/resume path doesn't pan out
> somehow, need to do some more handholding here.

Please test my last patch with the 4 trip points ;) - even if you don't 
really like it, it is working great! - And to be honest, I still prefer this 
solution!

Anyhow, did you test what Rui asked us to test?

-- 
kind regards,
--peter;
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