From: Chris Ferron <chris.e.ferron at linux.intel.com>
To: powertop@lists.01.org
Subject: Re: [Powertop] [PATCH] Fix screen DPMS support detection
Date: Tue, 14 Aug 2012 08:34:10 -0700 [thread overview]
Message-ID: <502A6FF2.4060204@linux.intel.com> (raw)
In-Reply-To: 5029EC25.3080101@samsung.com
[-- Attachment #1: Type: text/plain, Size: 1119 bytes --]
On 08/13/2012 11:11 PM, Igor Zhbanov wrote:
> On my desktop PC running Ubuntu 11.10 with 3.0.0-24-generic-pae kernel
> I have /sys/class/backlight/eeepc-wmi symbolic link pointing to
> /sys/devices/platform/eeepc-wmi/backlight/eeepc-wmi
>
> My PC is non an EEEPC. Perhaps Linux kernel wrongly detects type of
> hardware,
> I don't know. I just have a PC with an LCD monitor.
>
> P.S.
> By the way, when I use the default mobile kernel without needed
> CONFIG_s I have
> several more division by zero since PowerTOP uses default value of 0
> to lot's of variables.
> But since that CONFIG_s are required to run PowerTOP I have not
> reported it.
Oh that's not good. If you share your notes on this, I would be happy to
find solutions for this. Division by zero is bad, even if its a config
issue.
Thanks for the info
Chris
>
> Arjan van de Ven wrote:
>> On 8/13/2012 9:52 AM, Igor Zhbanov wr
>>> The problem is that on some architectures max_brightness is 0.
>> oooof that's bad
>> yes we shouldn't do divide by zero
>>
>> but what kind of platform has a max brightness of 0 ?????
next reply other threads:[~2012-08-14 15:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-14 15:34 Chris Ferron [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-08-14 6:11 [Powertop] [PATCH] Fix screen DPMS support detection Igor Zhbanov
2012-08-13 17:35 Arjan van de Ven
2012-08-13 16:52 Igor Zhbanov
2012-08-13 16:43 Arjan van de Ven
2012-08-13 16:41 Igor Zhbanov
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