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EMGD PSB backlight driver

Based on the documentation you guys provided here http://edc.intel.com/Link.aspx?id=3930, and using a reference driver provided by Tista https://launchpad.net/~tista I've implemented a simple little...

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Re: EMGD PSB backlight driver

To answer my own question about the memory mapping thing. It was memory mapping the PWM control registers, which is explicitly discouraged by the LVDS backlight whitepaper, as it might not play nice...

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Re: EMGD PSB backlight driver

Backlight control can be problematic.  Many OEMS implement the functionality in their own special ways making a "generic" support nearly impossible,  If you had "fn" key control over backlight, then...

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Re: EMGD PSB backlight driver

That's correct, it's the Acer Aspire One 0751h. There's a really brilliant group of folks that have been working to support Ubuntu on US15w chipset netbooks, and after confering with them they do have...

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Re: EMGD PSB backlight driver

It sure is behind!!  EMGD 1.6 was just recently released, but the folks that update the EDC pages sometimes get behind.  It is available directly to our Premier Support customers on the Quad system and...

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Re: EMGD PSB backlight driver

It's been updated already, thanks very much for the prompt response. Out of curiosity, what is the typical lag between the Premier customers getting updates and them being published here? If it's more...

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Re: EMGD PSB backlight driver

Cool, that JUST happened as when I posted earlier today it was still 1.5-  I guess asking about it was the right thing to do! Normally there should only be a day or two delay, but the EDC development...

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Re: EMGD PSB backlight driver

Personally I would think that a 1 to 2 day lag is more than acceptable, so there's probably no need to bother trying to get a privilaged account just for drivers. If I ever reach the point where one of...

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Re: EMGD PSB backlight driver

Those parameters only affect the power sequency, not the levels.  You need to look in the Attribute page on the LVDS configuration.  See the User's Guide for minimal details.  This is really an...

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Re: EMGD PSB backlight driver

Thanks for that pointer Kirk - I experimented with a few values without the desired efffect. Then I searched high and low but could only find mention of this reference value for the Inverter Frequency...

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Re: EMGD PSB backlight driver

At the risk of resurrecting a long dead post (which is a crime on some forums), I was wondering if you guys might be able to help. EMGD is now the future of the Intel's Windows 7 driver for Poulsbo and...

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Re: EMGD PSB backlight driver

Excellent find!  That is the sort of platform specific information we just do not have especially for a non-POR use case such as this.  It is really cool that the driver is working for you on your...

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EMGD PSB backlight driver

Based on the documentation you guys provided here http://edc.intel.com/Link.aspx?id=3930, and using a reference driver provided by Tista https://launchpad.net/~tista I've implemented a simple little...

View Article


Re: EMGD PSB backlight driver

To answer my own question about the memory mapping thing. It was memory mapping the PWM control registers, which is explicitly discouraged by the LVDS backlight whitepaper, as it might not play nice...

View Article

Re: EMGD PSB backlight driver

Backlight control can be problematic.  Many OEMS implement the functionality in their own special ways making a "generic" support nearly impossible,  If you had "fn" key control over backlight, then...

View Article


Re: EMGD PSB backlight driver

That's correct, it's the Acer Aspire One 0751h. There's a really brilliant group of folks that have been working to support Ubuntu on US15w chipset netbooks, and after confering with them they do have...

View Article

Re: EMGD PSB backlight driver

It sure is behind!!  EMGD 1.6 was just recently released, but the folks that update the EDC pages sometimes get behind.  It is available directly to our Premier Support customers on the Quad system and...

View Article


Re: EMGD PSB backlight driver

It's been updated already, thanks very much for the prompt response. Out of curiosity, what is the typical lag between the Premier customers getting updates and them being published here? If it's more...

View Article

Re: EMGD PSB backlight driver

Cool, that JUST happened as when I posted earlier today it was still 1.5-  I guess asking about it was the right thing to do! Normally there should only be a day or two delay, but the EDC development...

View Article

Re: EMGD PSB backlight driver

Personally I would think that a 1 to 2 day lag is more than acceptable, so there's probably no need to bother trying to get a privilaged account just for drivers. If I ever reach the point where one of...

View Article
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