9/19/2023 0 Comments Arch linux arm![]() Load-module module-loopback source=corrected_speakers.monitor sink=alsa_-fallback remix=false Load-module module-null-sink sink_name=corrected_speakers sink_properties=scription=corrected_speakers If using pulseaudio, the following can be placed in your ~/.config/pulse/default.pa file to create a loopback device that fixes the volume levels, so that 0-100% in a desktop environment's volume bar will correspond to the audio level heard in the spaker. Levels 10-100 provide no additional gain. When paired with pulseaudio and pulseaudio-alsa, be aware that the full volume range is addressed through levels 0-9 of the Master volume control. Note that the port will display as "Headphones" despite using the speakers. Use alsaucm (part of the alsa-utils package) to set up the sound card:ĪLSA_CONFIG_UCM=/opt/alsa/ucm alsaucm -c rk3399-gru-sound set _verb HiFi xf86-input-libinput is preferred over evdev and synaptics for the best experience with the touchpad and touchscreen.The built in modesetting driver will correctly detect the display. Therefore, no particular Xorg drivers are needed. The Mali T860MP4 GPU is not supported at this time.Initialize the pacman keyring and populate the Arch Linux ARM package signing keys:.After logging in as root (password is "root"), you can connect to a wireless network by running: wifi-menu.At the splash screen, instead of pressing Ctrl-D to go to ChromeOS, press Ctrl-U to boot to the external drive.Flash the kernel to the kernel partition:ĭd if=root/boot/vmlinux.kpart of=/dev/sda1.Tell the system to refresh what it knows about the disk partitions:.Replace the xxxxx string in the following command with that number to create the root partition:Ĭgpt add -i 2 -t data -b 73728 -s `expr xxxxx - 73728` -l Root /dev/sda.Look for the number under the start column for Sec GPT table which is 15633375 in this example: To create the rootfs partition, we first need to calculate how big to make the partition using information from cgpt show.Write the partition table and exit by typing w.Ĭgpt add -i 1 -t kernel -b 8192 -s 65536 -l Kernel -S 1 -T 5 -P 10 /dev/sda.This will create a new empty GPT partition table. Start fdisk to create a GPT partition table:. ![]() Since ChromeOS will automatically mount any partitions it finds, unmount everything now:.Get a root shell as described in the previous section.For an SD card, click here to magically adjust the instructions for the mmcblk1 device that an SD card will register as. These instructions are written for installing to a USB drive with the sda device, assuming no other USB drives are plugged in. Reboot the system to allow the change to take effect.Then type this to enable USB booting: crossystem dev_boot_usb=1 dev_boot_signed_only=0. ![]() After booting into developer mode, hold Ctrl and Alt and poke the T key.Note: After enabling developer mode, you will need to press Ctrl-D each time you boot, or wait 30 seconds to continue booting. ![]()
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