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1893150646
On the Lenovo ThinkPad Twist S230u (3347-4HU) with BIOS version "GDETC1WW (1.81 ) 06/27/2019", whether booted in UEFI or Legacy/CSM mode the keyboard, Synaptics TouchPad, and TrackPoint either do not function or stop functioning a few minutes after boot. This problem has been noted before, perhaps only occurring on BIOS 1.57 and later.[1][2][3][4][5] This model does not have an external PS/2 port, so mux does not appear to be useful. Odds of a BIOS fix appear to be low: 1.57 was released over 6 years ago and although the [BIOS changelog] notes "Fixed an issue of UEFI touchpad/trackpoint/keyboard/touchscreen" in 1.58, it appears to be insufficient. Adding 33474HU to the nomux list avoids the issue on my system. [1]: https://bugs.launchpad.net/bugs/1210748 [2]: https://bbs.archlinux.org/viewtopic.php?pid=1360425 [3]: https://forums.linuxmint.com/viewtopic.php?f=46&t=41200 [4]: https://forums.linuxmint.com/viewtopic.php?f=49&t=157115 [5]: https://forums.lenovo.com/topic/findpost/27/1337119 [BIOS changelog]: https://download.lenovo.com/pccbbs/mobiles/gduj33uc.txt Signed-off-by: Kevin Locke <kevin@kevinlocke.name> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/feb8a8339a67025dab3850e6377eb6f3a0e782ba.1587400635.git.kevin@kevinlocke.name Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> |
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| .. | ||
| altera_ps2.c | ||
| ambakmi.c | ||
| ams_delta_serio.c | ||
| apbps2.c | ||
| arc_ps2.c | ||
| ct82c710.c | ||
| gscps2.c | ||
| hil_mlc.c | ||
| hp_sdc_mlc.c | ||
| hp_sdc.c | ||
| hyperv-keyboard.c | ||
| i8042-io.h | ||
| i8042-ip22io.h | ||
| i8042-jazzio.h | ||
| i8042-ppcio.h | ||
| i8042-snirm.h | ||
| i8042-sparcio.h | ||
| i8042-unicore32io.h | ||
| i8042-x86ia64io.h | ||
| i8042.c | ||
| i8042.h | ||
| ioc3kbd.c | ||
| Kconfig | ||
| libps2.c | ||
| maceps2.c | ||
| Makefile | ||
| olpc_apsp.c | ||
| parkbd.c | ||
| pcips2.c | ||
| ps2-gpio.c | ||
| ps2mult.c | ||
| q40kbd.c | ||
| rpckbd.c | ||
| sa1111ps2.c | ||
| serio_raw.c | ||
| serio.c | ||
| serport.c | ||
| sun4i-ps2.c | ||
| userio.c | ||
| xilinx_ps2.c | ||