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7480 no touch pad


Liem Vo

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On 5/18/2018 at 7:03 AM, Liem Vo said:

My touchpad work on boot and after wake, the GPI0 is 0x0000

I've tried I2C Controller patch by Coolstar but not work for me. On boot it stuck at:

 

AppleIntelLpssI2CCController::_servingMatchingTimeSubr: fTimeServiceMatching timed out, fNotifications 0

 

I removed Apple I2C kexts then work fine.

 

Can you circumstantially explain what need to do for touchpad work after sleep? My hang after sleep until power off.

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Wow!! 

Touchpad work now after the sleep!

Great!

Many fanx!

On today in Latitude 7480 work everything, exept cardreader and fingerprint (not supported now).

And wifi card must be replaced  (Replace by DW1560)

 

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Hmm, strange you and @Liem Vo both have the same system but according to Liem Vo, his is Synaptics and does not have multi touch, not even 2 fingers scrolling.

I checked both your IOReg and his, they both show the same devices under TPD1...pondering...

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Cant say why. two-fingers -scroll work are the best in touchpad or touchscreen. Use you patched DSDT and you I2C kexts. I can give you any information about my system, what you want (EFI, Kexts info , debug, etc ) if it help you.

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