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UPSTREAM: ec/google/chromeec: provide optional ASL lid switch implementation

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Instead of relying on the mainboards to provide their own LID0
ACPI device, provide the infrastructure so that the mainboards
can signal to the EC ASL code to provide the default lid switch
implementation.

BUG=chrome-os-partner:56677
BRANCH=None
TEST=None

Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16732
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)

Change-Id: Ie43b1c4f8522db1245f1f479bfdb685d3066121d
Reviewed-on: https://chromium-review.googlesource.com/390397
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Aaron Durbin 2016-09-23 16:06:14 -05:00 • committed by chrome-bot
commit 093b5dc992
1 changed files with 24 additions and 0 deletions
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24
src/ec/google/chromeec/acpi/ec.asl
View file

@ -68,6 +68,22 @@ Device (EC0)
#include "emem.asl"
}
#ifdef EC_ENABLE_LID_SWITCH
/* LID Switch */
Device (LID0)
{
Name (_HID, EisaId ("PNP0C0D"))
Method (_LID, 0)
{
Return (^^LIDS)
}
#ifdef EC_ENABLE_WAKE_PIN
Name (_PRW, Package () { EC_ENABLE_WAKE_PIN, 0x5 })
#endif
}
#endif
Method (TINS, 1, Serialized)
{
Switch (ToInteger (Arg0))
@ -150,7 +166,11 @@ Device (EC0)
{
Store ("EC: LID CLOSE", Debug)
Store (LIDS, \LIDS)
#ifdef EC_ENABLE_LID_SWITCH
Notify (LID0, 0x80)
#else
Notify (\_SB.LID0, 0x80)
#endif
}
// Lid Open Event
@ -158,7 +178,11 @@ Device (EC0)
{
Store ("EC: LID OPEN", Debug)
Store (LIDS, \LIDS)
#ifdef EC_ENABLE_LID_SWITCH
Notify (LID0, 0x80)
#else
Notify (\_SB.LID0, 0x80)
#endif
}
// Power Button