[LPIA Hardy LUM] Disable RTC wake alarm to reduce power in Hibernate - attempt #2

[Stefan Bader]

Colin Ian King wrote:
> Attempt #2 following Tim's recommendations.
> 
> https://bugs.launchpad.net/dennis/+bug/337943
> 
> Note: This fix comes in 2 patches, the first is general code tidyup 
> (whitespace/tab indentation, formatting) and the second is the fix to
> reduce power consumption during hibernate.
> 
> Bug: LP#337943
> 
> LPIA Hardy Lum
> 
> Add sysfs control to enable or disable RTC Event Enable (RTC_EN) bit
> of port ACPI PM1a_EVT_BLK because the BIOS overlooked this
> functionality on the HP Mini. Disabling this before hibernate saves
> several mAh.
> 
> Note that this extends the existing power management tweaks for this
> particular netbook specific module.
> 
> Attached:
> 
> Patch 1 - code tidy up
> Patch 2 - fix to reduce power consumption
> 
> 
- Might this be SAUCE?
- /me shakes his head on the SENSORS_DEVICE_ATTR declaration
- /me cannot find where the rtc attribute is added to the drivers attributes.
   Bit I might need new glasses...



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