* elan_i2c fail
@ 2020-07-24 9:06 Matteo Croce
0 siblings, 0 replies; only message in thread
From: Matteo Croce @ 2020-07-24 9:06 UTC (permalink / raw)
To: linux-input; +Cc: Dmitry Torokhov
Hi,
I have a Lenovo t490s, and sometimes at boot the touchpad is not working.
When it fails the syslog says:
psmouse serio1: elantech: assuming hardware version 4 (with firmware
version 0x7f3001)
psmouse serio1: elantech: Synaptics capabilities query result 0x90, 0x18, 0x0f.
psmouse serio1: elantech: Elan sample query result 00, 2f, c9
psmouse serio1: elantech: Trying to set up SMBus access
elan_i2c 0-0015: failed to get FW checksum: -71
elan_i2c: probe of 0-0015 failed with error -71
Is it a known issue? I'm using a vanilla 5.7.9 kernel.
--
Matteo Croce
perl -e 'for($t=0;;$t++){print chr($t*($t>>8|$t>>13)&255)}' |aplay
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