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Old 12-23-07, 06:29 PM   #1
Maxim Levitsky
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Join Date: Dec 2007
Posts: 16
Lightbulb [BUG] [With fix] can't use ddccontrol with nvidia driver

I like to use ddccontrol, but I don't like to use it with direct PCI access,
since it doesn't work well, and slow.

But /dev/i2c access is broken, and bug lies in linux compatibility source:



for (i = 0; ((i < (unsigned int)num) && (rmStatus == RM_OK)); i++)

The loop never gets executed, and thus i2c doesn't work.

Just change
RM_STATUS rmStatus = RM_OK;

To fix this.

I wish you have opened the source, so lot more bugs like
that can be fixed.
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Old 12-23-07, 11:04 PM   #2
NVIDIA Corporation
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Join Date: Aug 2002
Posts: 3,740
Default Re: [BUG] [With fix] can't use ddccontrol with nvidia driver

Thanks for reporting this problem, it looks like it was introduced in the 100.14.xx time frame. It will be fixed in a future driver release.
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