Hi Thorsten, On Wed, Sep 27, 2023 at 10:43 AM Jeffery Miller <jefferymiller@xxxxxxxxxx> wrote: > > > On Wed, Sep 27, 2023 at 3:54 AM Thorsten Leemhuis <linux@xxxxxxxxxxxxx> wrote: >> >> My dmesg from a kernel with the revert: >> https://www.leemhuis.info/files/misc/dmesg >> > In this dmesg output it shows that this is an elantech smbus device: > ``` > [ 4.260415] psmouse serio1: elantech: assuming hardware version 4 (with firmware version 0x7f3001) > [ 4.279297] psmouse serio1: elantech: Synaptics capabilities query result 0x90, 0x18, 0x0f. > [ 4.292788] psmouse serio1: elantech: Elan sample query result 00, 80, c9 > [ 4.319184] psmouse serio1: elantech: Elan ic body: 0x10, current fw version: 0x3 > ... > [ 4.346951] psmouse serio1: elantech: Trying to set up SMBus access > [ 4.346986] psmouse serio1: elantech: SMbus companion is not ready yet > [ 4.369993] input: ETPS/2 Elantech TrackPoint as /devices/platform/i8042/serio1/input/input7 > [ 4.376200] systemd[1]: bpf-lsm: LSM BPF program attached > [ 4.385192] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input5 > ``` > The change in 92e24e0e57f72e shouldn't affect the elantouch device as elantech_setup_smbus > initializes `psmouse_smbus_init` with need_deactivate = false. > > Did you store dmesg logs from boot without the applied patch? I intended to ask if you have logs from a boot without 92e24e0e57f72e reverted. > If the delay was being applied the timestamps should show the 30ms delay between > `psmouse serio1: elantech: Trying to set up SMBus access` > and > `psmouse serio1: elantech: SMbus companion is not ready yet` > Thank You, Jeff
