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| author | Nicola Corna <nicola@corna.info> | 2017-02-11 14:00:03 +0100 |
|---|---|---|
| committer | Alexander Couzens <lynxis@fe80.eu> | 2017-02-28 14:54:59 +0100 |
| commit | 47f87bd93f6ebbfd771fe0a70777aeff5c65dbff (patch) | |
| tree | eb5352e5bf24e9e9090c5b62b1476bba6c19a72a /src | |
| parent | f77d6ba911d757aacdc000583af006d63ae7bc14 (diff) | |
| download | coreboot-47f87bd93f6ebbfd771fe0a70777aeff5c65dbff.tar.xz | |
ec/lenovo/h8: Add tablet mode switch method
thinkpad_acpi expects a MHKG method which returns the current
state of the tablet mode switch shifted left by 3. If such
method is not found, subsequent laptop/tablet mode events are
ignored.
Tested on a X220T.
Change-Id: Ic9ffea2ffe507b3692d1dd7411c52b813ec32146
Signed-off-by: Nicola Corna <nicola@corna.info>
Reviewed-on: https://review.coreboot.org/18328
Tested-by: build bot (Jenkins)
Reviewed-by: Alexander Couzens <lynxis@fe80.eu>
Diffstat (limited to 'src')
| -rw-r--r-- | src/ec/lenovo/h8/acpi/ec.asl | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/ec/lenovo/h8/acpi/ec.asl b/src/ec/lenovo/h8/acpi/ec.asl index b69acf82da..497dde4df7 100644 --- a/src/ec/lenovo/h8/acpi/ec.asl +++ b/src/ec/lenovo/h8/acpi/ec.asl @@ -32,6 +32,9 @@ Device(EC) HSPA, 1, Offset (0x0C), LEDS, 8, /* LED state */ + Offset (0x0F), + , 7, + TBSW, 1, /* Tablet mode switch */ Offset (0x1a), DKR2, 1, /* Dock register 2 */ Offset (0x2a), @@ -354,6 +357,11 @@ Device(EC) { Return (0x07FFFFFF) } + /* Report tablet mode switch state */ + Method (MHKG, 0, NotSerialized) + { + Return (TBSW << 3) + } /* Version */ Method (MHKV, 0, NotSerialized) { |