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/* SPDX-License-Identifier: GPL-2.0-only */
Name (FLAP, 0x40) /* Flag indicating device is in laptop mode */
/* Virtual events */
Name (VTBL, 0xcc) /* Tablet Mode */
Name (VLAP, 0xcd) /* Laptop Mode */
Device (VBTN)
{
Name (_HID, "INT33D6")
Name (_UID, 1)
Name (_DDN, "Intel Virtual Button Driver")
/*
* This method is called at driver probe time and must exist or
* the driver will not load.
*/
Method (VBDL)
{
}
/*
* This method returns flags indicating tablet and dock modes.
* It is called at driver probe time so the OS knows what the
* state of the device is at boot.
*/
Method (VGBS)
{
Local0 = 0
If (CKLP ()) {
Local0 |= ^^FLAP
}
Return (Local0)
}
Method (_STA, 0)
{
Return (0xF)
}
Method (CKLP, 0)
{
/* 120 = GPP_D4 */
If (\_SB.PCI0.GRXS (120)) {
Printf ("VBTN: tablet mode")
Return (0) /* Tablet mode */
} Else {
Printf ("VBTN: laptop mode")
Return (1) /* Laptop mode */
}
}
Method (NTFY, 0)
{
/* Notify the new state */
If (CKLP ()) {
Notify (^^VBTN, ^^VLAP)
} Else {
Notify (^^VBTN, ^^VTBL)
}
}
}
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