Re: Elantech SMBus support regression

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Hi,

> On Dec 12, 2018, at 22:25, Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> wrote:
> 
> Hi,
> 
> sorry for the late reply. I was always meaning to fix this the proper
> way but couldn't dedicate a full day of work to go to the bottom of
> elan_i2c.
> 
> Meanwhile, I am thinking at simply having a blacklist of devices that
> we know are not working well (P52, L480, L580 and P72).
> 
> Could you get the value of /sys/bus/serio/devices/serio1/firmware_id
> from all of these laptops?
> I know the P52 is LEN2131, but I don't seem to find the other PNPIds.

These are feedbacks from the users:

L480:
cat /sys/bus/serio/devices/serio1/firmware_id
PNP: LEN2036 PNP0f13

P52:
"cat /sys/bus/serio/devices/serio1/firmware_id":
PNP: LEN2132 PNP0f13

So looks like it’s different to LEN2131.

Kai-Heng

> 
> Cheers,
> Benjamin
> 
> On Thu, Nov 22, 2018 at 5:22 AM Kai Heng Feng
> <kai.heng.feng@xxxxxxxxxxxxx> wrote:
>> 
>> Hi Benjamin,
>> 
>> It appears the Elantech SMBus support breaks some users’ touchpad.
>> 
>> Please have a look at [1] [2], thanks!
>> 
>> [1] https://bugs.launchpad.net/bugs/1803600
>> [2] https://bugs.archlinux.org/task/59714
>> 
>> Kai-Heng




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