@Coiby Xu (coiby) ,i had tested by patch the kernel source in the file
:include/linux/input/elan-i2c-ids.h with MSFT0001 , ELAN3140
,04f33140,
but it doesn't work。
and sudo acpidump | grep -C3 ELAN result as follows:
ra@bogon Downloads]$ sudo acpidump | grep -C3 ELAN
[sudo] password for ra:
E310: A2 1F 01 70 99 69 00 5F 54 5F 31 A0 0C 93 5F 54 ...p.i._T_1..._T
E320: 5F 31 01 A4 11 03 01 03 A1 06 A4 11 03 01 00 A5 _1..............
E330: A1 0F A0 09 93 5F 54 5F 30 01 A4 00 A1 03 A4 00 ....._T_0.......
E340: A5 A1 06 A4 11 03 01 00 5B 82 40 13 45 4C 41 4E ........[.@.ELAN
E350: 08 5F 48 49 44 0C 41 D0 0C 50 08 5F 43 49 44 0D ._HID.A..P._CID.
E360: 50 4E 50 30 43 35 30 00 08 5F 55 49 44 01 14 47 PNP0C50.._UID..G
E370: 05 5F 43 52 53 00 08 52 42 55 46 11 45 04 0A 41 ._CRS..RBUF.E..A
--
E580: A2 1F 01 70 99 69 00 5F 54 5F 31 A0 0C 93 5F 54 ...p.i._T_1..._T
E590: 5F 31 01 A4 11 03 01 03 A1 06 A4 11 03 01 00 A5 _1..............
E5A0: A1 0F A0 09 93 5F 54 5F 30 01 A4 00 A1 03 A4 00 ....._T_0.......
E5B0: A5 A1 06 A4 11 03 01 00 5B 82 40 13 45 4C 41 4E ........[.@.ELAN
E5C0: 08 5F 48 49 44 0C 41 D0 0C 50 08 5F 43 49 44 0D ._HID.A..P._CID.
E5D0: 50 4E 50 30 43 35 30 00 08 5F 55 49 44 01 14 47 PNP0C50.._UID..G
E5E0: 05 5F 43 52 53 00 08 52 42 55 46 11 45 04 0A 41 ._CRS..RBUF.E..A
--
EFB0: 49 44 0D 50 4E 50 30 43 35 30 00 08 5F 53 55 42 ID.PNP0C50.._SUB
EFC0: 0D 58 58 58 58 30 30 30 30 00 14 46 05 5F 49 4E .XXXX0000..F._IN
EFD0: 49 00 A0 25 93 54 50 54 59 01 70 0D 4D 53 46 54 I..%.TPTY.p.MSFT
EFE0: 30 30 30 31 00 5F 48 49 44 70 0D 45 4C 41 4E 30 0001._HIDp.ELAN0
EFF0: 30 30 31 00 5F 53 55 42 A0 26 93 54 50 54 59 0A 001._SUB.&.TPTY.
F000: 02 70 0D 4D 53 46 54 30 30 30 31 00 5F 48 49 44 .p.MSFT0001._HID
F010: 70 0D 53 59 4E 41 30 30 30 31 00 5F 53 55 42 A4 p.SYNA0001._SUB.
[ra@bogon Downloads]$
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https://bugs.launchpad.net/bugs/1887190
Title:
MSFT Touchpad not working on Lenovo Legion-5 15ARH05
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