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quirks: Add Apple MTP touchpad quirk

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Apple M2 (and presumably newer) laptops now embed the touchpad
controller into the main SoC, and use a new internal communications
protocol between it and the main CPU. This isn't really a "bus" like
SPI or I2C, so the downstream kernel driver currently uses the (not
well supported) HOST bus type. MatchBus can't match on that, so let's
just use a name match (plus the vendor ID, which is still valid and
the usual Apple one).

Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2022-11-22 13:52:24 +09:00 • committed by Peter Hutterer
parent 2f3e943e14
commit c2b420c793
1 changed files with 9 additions and 0 deletions
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quirks/50-system-apple.quirks
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@ -105,6 +105,15 @@ AttrSizeHint=104x75
AttrTouchSizeRange=150:130
AttrPalmSizeThreshold=1600
[Apple Laptop Touchpad (MTP)]
MatchUdevType=touchpad
MatchName=Apple*MTP*
MatchVendor=0x5AC
ModelAppleTouchpad=1
AttrSizeHint=104x75
AttrTouchSizeRange=150:130
AttrPalmSizeThreshold=1600
# The Linux applespi driver currently uses the Synaptics vendor for some reason
[Apple Laptop Touchpad (SPI)]
MatchUdevType=touchpad