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[Info] Pinebook A64 Display Brightness at bootup with CLI-only-image


guidol

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Normally when you have installed a XFCE-Desktop image for the Pinebook A64 you could set the display brigthness with the following pkexec command to a readable higher level - like I did in the past (possible brightness values are 1-10 - on startup this is only set to 2):

 

pkexec /usr/sbin/xfpm-power-backlight-helper --set-brightness 8

 

read-out command for the current value:

 

pkexec /usr/sbin/xfpm-power-backlight-helper --get-brightness

 

but on standard CLI-install pkexec and xfpm-power-backlight-helper are missing, so to use this command-line (in /etc/rc.local) you have to install these 2 packages:

 

sudo apt install xfce4-power-manager pkexec

 

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Posted (edited)

@Gunjan Gupta

 

Today I did try the following images

 

Armbian_community_24.8.0-trunk.205_Pinebook-a64_noble_current_6.6.31_gnome_desktop.img

and

Armbian_community_24.8.0-trunk.205_Pinebook-a64_bookworm_current_6.6.31_minimal.img

 

on my 14" (1080p?) Pinebook non-Pro A64, but I do get only a black screen :(

It didnt help to use

echo 8 > /sys/devices/platform/backlight/backlight/backlight/actual_brightness

or the pkexec-command

The screen lights up, but to information on the screen.
I had only (sometimes) access via a USB-Ethernet-Adapter. But at some boots the ethernet wasnt recognized and the onboard-Wifi doesnt sho up :(

 

The last version I could get my screen to work - with a CLI-version of bookworm - is 24.2.0 of armbian (after update?)

 

I dont know how to switch via 720p/1080p for the different screensizes of the Pinebook A64 non-Pro (I have 14" and not 11.6")

 

BTW: after updateing the 24.2.0 of armbian via apt update/upgrade the system is also non-working
(Black screen and no ethernet and no Wifi) :(

 

Its has updated to kernel 6.6.31 and this was also the "death" to some of my OrangePi installations :(

 

The "Community Editions" are at this time unuseable (because non-tested) - this could end in a bad reputation also for the supported devices - as I think.

 

For me its software-obsoleszenz - rendering working hardware into a paperweight :(

Edited by guidol
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Like on the OrangePi's which have problems with the latest Community Edition (kernel 6.6.x and their armbian-firmware) I went back to the most actual stable image before kernel 6.6.x  (non-Community Edition?) for the Pinebook A64 which can be found at
https://armbian.hosthatch.com/archive/pinebook-a64/archive/Armbian_23.11.1_Pinebook-a64_bookworm_current_6.1.63.img.xz

 

 

You do get a non-Desktop system with

Armbian 23.11.1 Pinebook-a64 bookworm current kernel 6.1.63

then do a Kernel-Freeze in armbian-config -> system
apt update/upgrade

 

and you will end with a stable
Armbian 24.5.1 Bookworm with Linux 6.1.63-current-sunxi64

 

This will recognize my 14" Screen, WiFi and Ethernet (USB) :)

 

 

 

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