Yu, Luming wrote:
Sorry, seems I missed the main plot ;-)
In case \_SB.INV7 is 0, the _CST method returns a CST object with a C3
and C4 State. If it is 1 I only get the "NOC3" (see above) CST object.
I can call the _L17 method as often as I want and it seems I
allways get
a clean fresh CST with only C1 and C2. That's why I assume that
something with setting the \_SB.INV7 register is not right. I
mentioned
this a while ago in a bug :
http://bugzilla.kernel.org/show_bug.cgi?id=4485
Not sure, but I think you need to do further investigation.
Are you sure _CST always exits with Return (NOC3).
ACST contains C3 state?
Yep, ACST and BCST definitely contain one or more C3 states :
Name (ACST, Package (0x03)
{
0x02,
Package (0x04)
{
ResourceTemplate ()
{
Register (SystemIO, 0x08, 0x00,
0x00000000000005FF)
},
0x02,
0x01,
0x03E8
},
Package (0x04)
{
ResourceTemplate ()
{
Register (SystemIO, 0x08, 0x00,
0x0000000000000415)
},
0x03,
0x01,
0x01F4
}
})
Name (BCST, Package (0x04)
{
0x03,
Package (0x04)
{
ResourceTemplate ()
{
Register (SystemIO, 0x08, 0x00,
0x00000000000005FF)
},
0x02,
0x01,
0x03E8
},
Package (0x04)
{
ResourceTemplate ()
{
Register (SystemIO, 0x08, 0x00,
0x0000000000000415)
},
0x03,
0x01,
0x01F4
},
Package (0x04)
{
ResourceTemplate ()
{
Register (SystemIO, 0x08, 0x00,
0x0000000000000416)
},
0x04,
0x02,
0xFA
}
})
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