Re: ThinkPad T480s & LED_MUTE, LED_MICMUTE

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]



> Hi! With up-to-date thinkpad_acpi.ko driver on ThinkPad T480s I'm seeing
> a strange behavior of LEDs which are integrated into mic mute (Fn+F4)
> and mute (Fn+F1) keys.
> When thinkpad_acpi.ko is not loaded, then mute key is working fine. When
> pressed, it correctly generates KEY_MUTE on AT Translated Set 2 keyboard
> input device and also turn on/of mute led. But when micmute key is
> pressed then, nothing happen. No key event is reported and also led is
> not turned on/off.
> On the other hand, when thinkpad_acpi.ko is loaded, then both buttons
> mute and micmute correctly generates input events; mute via AT keyboard
> and micmute via ThinkPad Extra Buttons. But led is not changed. When
> thinkpad_acpi.ko is loaded it turn off both leds (mute and micmute) and
> leds after pressing any of those buttons, leds are not turned on again.

With thinkpad_acpi.ko loaded, kernel should handle the LEDs, right? Do
we have a support for that? Do they have directories in
/sys/class/leds? What are the triggers there?

With thinkpad_acpi.ko unloaded, hardware drives the LEDs, so nothing
for us to do...

(cesky, pictures)

Attachment: signature.asc
Description: Digital signature

Check out the vibrant tech community on one of the world's most
engaging tech sites,!
ibm-acpi-devel mailing list

[Index of Archives]     [Linux ACPI]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Photo]     [Yosemite Photos]     [Yosemite Advice]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]

  Powered by Linux