acpi battery rework patch

[Marcin Jessa]

On Sat, 23 Jul 2005 19:00:01 +0900
Eric Kjeldergaard <kjelderg at gmail.com> wrote:

> On 7/23/05, Nate Lawson <nate at root.org> wrote:
> > I have completed a rework of the battery subsystem and would like 
> > testing of the patch.  I'd like this to go into 6.0.  It should have no 
> > effect for people with working batteries and fixes some bugs for those 
> > who don't.  It also makes it possible to import support for smart 
> > batteries (not in this patch).
> > 
> > API changes:
> > apm compatibility device:  no change
> > sysctl:  no change
> > kernel function call:  API reduced.
> > ioctl:  API reduced.
> > 
> > kernel function access:
> > Access individual batteries via devclass_find("battery").  Methods are 
> > ACPI_BATT_GET_STATUS (for _BST-formatted data) and ACPI_BATT_GET_INFO 
> > (for _BIF-formatted data).  The helper function 
> > acpi_battery_get_battinfo() has been changed to take a device_t instead 
> > of unit # argument.  If dev is NULL, this signifies all batteries.
> > 
> > ioctl access:
> > The ACPIIO_BATT_GET_TYPE and ACPIIO_BATT_GET_BATTDESC ioctls have been 
> > removed.  Since there is no mapping between "virtual" unit and actual 
> > unit, just specify the unit directly and skip the old translation steps. 
> >   For instance, in the future if you have two smart batteries and two 
> > control-method batteries, they'll be battery0-3.
> > 
> > Patch can be found here:
> > http://root.org/~nate/freebsd/batt-rework.diff.gz
> > 
> > Please test to be sure your battery status works as usual, along with 
> > any apps.  Since most apps (xbatt, gnome, etc.) use the apm compat 
> > layer, they should work as before with no recompilation needed.
> > 
> > -- 

> -CURRENT as of 23/07/2005, does not compile.

Prolly because it's for 6.0, not 7.0