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Re: Next step for DAP Ambient Light Events

From: Marcos Caceres <w3c@marcosc.com>
Date: Tue, 28 Aug 2012 03:28:08 +0100
To: Doug Turner <dougt@mozilla.com>
Cc: "Tab Atkins Jr." <jackalmage@gmail.com>, www-style@w3.org, public-device-apis@w3.org, Daniel Glazman <daniel.glazman@disruptive-innovations.com>, Dzung D Tran <dzung.d.tran@intel.com>
Message-ID: <29DD6435D8404C1B8B7B2B66ACF38AE4@marcosc.com>



On Tuesday, 28 August 2012 at 03:09, Doug Turner wrote:

> The data in this report is not consistent with what Tab or I reported wrt the Galaxy Nexus. F.E., putting a flashlight 1 inch from the sensor only generated what this report terms "Cloudy Outdoors". Maybe this is just a bad sensor in this device, or something else we are not considering.

Maybe related - or at least something to consider (particularly if the light sensor can be covered by a finger or by the persons head):
http://www.displaymate.com/AutoBrightness_Controls_2.htm

"...In a smartphone the light sensor is facing your head and is measuring the brightness of your face instead of the ambient light level that is behind and to either side of the phone, which is what actually sets your eye’s light sensitivity and what should be determining the brightness level of the screen."

--  
Marcos Caceres
http://datadriven.com.au
Received on Tuesday, 28 August 2012 02:28:39 GMT

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