LP#526354: suspend/resume breaks sensors and fan V3
On Wed, Apr 21, 2010 at 10:21:38AM +0100, Andy Whitcroft wrote:
> We have been tracking an issue where suspend/resume breaks temperature
> sensors (which read 0 permenantly) and fans no longer turn on correctly.
> Upstream has tracked that to needing multi-byte access to the EC.
> Following this email is a patch which has been tested here to fix the
> issue. The original patch here caused boot panics on most ThinkPad models
> and at least some MacBooks. This is a second replacement version of this patch
> which still fixes the Dell systems, and does not kill ThinkPads nor MacBooks.
> Tested good here on both the original Dell and on a ThinkPad T30.
> Awaiting other testing feedback from affected users.
Now also confirmed to work on the MacBook Pros which were affected by
the V2 version.
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