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Date: Thu, 26 Apr 2012 23:09:15 +0530
From: Laxman Dewangan <ldewangan@nvidia.com>
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To: Stephen Warren <swarren@wwwdotorg.org>
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Subject: Re: [PATCH V2 3/4] ARM: dt: tegra: enable als and proximity sensor
References: <1335183097-21104-1-git-send-email-ldewangan@nvidia.com> <1335183097-21104-5-git-send-email-ldewangan@nvidia.com> <4F958E42.6030506@wwwdotorg.org>
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On Monday 23 April 2012 10:45 PM, Stephen Warren wrote:
> On 04/23/2012 06:11 AM, Laxman Dewangan wrote:
>> Add the device info for ALS and proximity sensor for tegra
>> boards cardhu, ventana and seabridge.
>>
>> Signed-off-by: Laxman Dewangan<ldewangan@nvidia.com>
> Thanks, applied.
>
> I made the following minor changes: s/PZ02/PZ2/ in .dts files,
> s/seabridge/seaboard/ in commit description
>
> I note that the proximity detection doesn't appear to work on my Cardhu,
> although the light sensor works. Is that expected? Both work on Seaboard
> and Ventana.

Yes, there is problem in cardhu about component mounting for ir led. 
This is fixed on other version of reference  board.
So on cardhu, proximity sensing always return 0xFF.