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Asus UX331UAL - Fn+F{1..12} keys
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manwe_
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Location: Kraków/Cracow, Poland

PostPosted: Tue Oct 09, 2018 8:53 pm    Post subject: Asus UX331UAL - Fn+F{1..12} keys Reply with quote

Hi *.

I cannot make five Fn+F{1..12} keys to work in my new Asus UX331UAL. Seven works fine. They are detected by xbindkeys (XF86…) and some of them by acpid (acpi_listen).
- Fn+F1 (sleep)
- Fn+F3/F4 (keyboard backlit)
- Fn+F9 (touchpad toggle)
- Fn+F10/11/12 (volume/mute)

Keys that do not work:
- Fn+F2 (flight mode)
- Fn+F5/6 (screen brightness)
- Fn+F7 (turn off display)
- Fn+F8 (presentation mode)

They do not generate events for xev, xbindkeys -k or acpi_listen. None of the /dev/input/event* devices prints anything. Any ideas?

Kernel config: https://pastebin.com/0iMiX2t6
Kernel params: video=inteldrmfb:mode=1920x1080 vt.default_utf8=1 acpi_osi= acpi=on elevator=noop rootflags=discard intel_iommu=on kvm-intel.nested=1 quiet
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mbar
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PostPosted: Thu Oct 11, 2018 10:13 am    Post subject: Reply with quote

Post lsusb output.
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javeree
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PostPosted: Fri Oct 12, 2018 11:04 am    Post subject: Reply with quote

Very likely, the kernel doesn't support this laptop's kernel yet. I had a similar issue on an ASUS ROG VM703 and had to hack the kernel to add my laptop to it.
See https://lkml.org/lkml/2018/6/14/831
My patch enables some but not all keys (I was mostly interested in getting media and brightness keys working), and addresses this specific laptop, so it will definitely not work for you. Just showing that the cause is very likely that the kernel does not support it.

The keyboard does show up as a USB device, so follow mbar's advice, find it with lsusb, and then check the kernel source to see if it is supported.
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mbar
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PostPosted: Sat Oct 13, 2018 4:41 am    Post subject: Reply with quote

Yes, I had to use that patch for GL503.
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manwe_
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PostPosted: Sat Oct 13, 2018 6:19 pm    Post subject: Reply with quote

Nope, keyboard doesn't show up as the USB device.
Code:
# lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2b Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


Two hubs and bluetooth. Full lsusb -v: https://pastebin.com/CY8Gzm7U
Code:

# xinput
⎡ Virtual core pointer                       id=2   [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                 id=4   [slave  pointer  (2)]
⎜   ↳ ELAN1200:00 04F3:309C Touchpad             id=11   [slave  pointer  (2)]
⎣ Virtual core keyboard                      id=3   [master keyboard (2)]
    ↳ Virtual core XTEST keyboard                id=5   [slave  keyboard (3)]
    ↳ Power Button                               id=6   [slave  keyboard (3)]
    ↳ Video Bus                                  id=7   [slave  keyboard (3)]
    ↳ Power Button                               id=8   [slave  keyboard (3)]
    ↳ Sleep Button                               id=9   [slave  keyboard (3)]
    ↳ Asus WMI hotkeys                           id=12   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard               id=13   [slave  keyboard (3)]


Code:
# ls -l /dev/input/by-path
lrwxrwxrwx 1 root root 9 10-13 20:12 pci-0000:00:15.1-platform-i2c_designware.1-event-mouse -> ../event6
lrwxrwxrwx 1 root root 9 10-13 20:12 pci-0000:00:15.1-platform-i2c_designware.1-mouse -> ../mouse0
lrwxrwxrwx 1 root root 9 10-13 20:12 platform-asus-nb-wmi-event -> ../event7
lrwxrwxrwx 1 root root 9 10-13 20:12 platform-i8042-serio-0-event-kbd -> ../event5


This laptop is definitely not like my previous ones. Instead of USB it fancies I2C or PCI-E. Even such simple thing as microSD card reader uses PCI-E line (rtsx_pci driver).
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manwe_
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PostPosted: Tue Oct 16, 2018 4:02 pm    Post subject: Reply with quote

Hmm, Ubuntu Live supports those keys (brightness for example). So it's definitely up there somewhere.
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Anon-E-moose
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PostPosted: Tue Oct 16, 2018 4:10 pm    Post subject: Reply with quote

manwe_ wrote:
Hmm, Ubuntu Live supports those keys (brightness for example). So it's definitely up there somewhere.


Then look at the difference between ubuntu and gentoo .config as well as the modules loaded, and acpi scripts. It's in one of those, or maybe a combination.
_________________
Asus m5a99fx, FX 8320 - nouveau & radeon, oss4
Acer laptop E5-575, i3-7100u - i965, alsa
---both---
4.14.62 kernel, profile 17.0 (no-pie) amd64-no-multilib
gcc 7.3.0, eudev, openrc, openbox, palemoon
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manwe_
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PostPosted: Wed Oct 17, 2018 1:37 pm    Post subject: Reply with quote

Difference between .configs will be huge. No way to find that one tiny line that makes a difference if I cannot find it already in menuconf.

ACPI scripts have nothing to do with this because acpi_listen (that prints pure events) shows keypresses on Ubuntu but not on Gentoo. So it's related to the driver.
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Anon-E-moose
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PostPosted: Wed Oct 17, 2018 2:00 pm    Post subject: Reply with quote

manwe_ wrote:
Difference between .configs will be huge. No way to find that one tiny line that makes a difference if I cannot find it already in menuconf.

ACPI scripts have nothing to do with this because acpi_listen (that prints pure events) shows keypresses on Ubuntu but not on Gentoo. So it's related to the driver.


I would look at the difference between ACPI setting in the config files, that's more than likely where you'll find the "key"
_________________
Asus m5a99fx, FX 8320 - nouveau & radeon, oss4
Acer laptop E5-575, i3-7100u - i965, alsa
---both---
4.14.62 kernel, profile 17.0 (no-pie) amd64-no-multilib
gcc 7.3.0, eudev, openrc, openbox, palemoon
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