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initrd-usb: Fixes for adbd on asus-z00t

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The gist of it:

 * The "adb" function is not available (-22, EINVAL) on asus-z00t
 * Enabling both adb and ffs breaks asus-flo
 * Enabling ffs is fine with asus-flo.

So I guess it's ffs that enables adb!
This commit is contained in:
Samuel Dionne-Riel 2019-09-23 20:31:56 -04:00
parent 7b1d782893
commit c498dc1b38
1 changed files with 13 additions and 10 deletions
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23
modules/initrd-usb.nix
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@ -5,6 +5,8 @@ with import ./initrd-order.nix;
let
cfg = config.mobile.boot.stage-1;
device_name = device_config.name;
device_config = config.mobile.device;
system_type = config.mobile.system.type;
in
{
@ -37,29 +39,30 @@ in
config.mobile.boot.stage-1 = lib.mkIf cfg.usb.enable {
usb.features = []
++ optional cfg.networking.enable "rndis"
++ optional cfg.usb.adbd "adb"
++ optional cfg.usb.adbd "ffs"
;
# TODO: Only run, when we have the android usb driver
init = lib.mkOrder AFTER_DEVICE_INIT ''
# Setting up Android-specific USB.
(
SYS=/sys/class/android_usb/android0
if [ -e "$SYS" ]; then
mkdir /dev/usb-ffs/adb
mkdir -p /dev/usb-ffs/adb
mount -t functionfs adb /dev/usb-ffs/adb/
printf "%s" "0" > "$SYS/enable"
printf "%s" "18D1" > "$SYS/idVendor"
printf "%s" "D001" > "$SYS/idProduct"
printf "%s" "0" > "$SYS/bDeviceClass"
#printf "%s" "adb" > "$SYS/f_ffs/aliases"
#printf "%s" "${concatStringsSep "," cfg.usb.features}" > "$SYS/functions"
printf "%s" "rndis,adb" > "$SYS/functions"
printf "%s" "FIXME" > "$SYS/iManufacturer"
printf "%s" "FIXME" > "$SYS/iProduct"
printf "%s" "FIXME" > "$SYS/iSerial"
sleep 0.5
printf "%s" "${concatStringsSep "," cfg.usb.features}" > "$SYS/functions"
printf "%s" "mobile-nixos" > "$SYS/iManufacturer"
printf "%s" "${device_name}" > "$SYS/iProduct"
printf "%s" "0123456789" > "$SYS/iSerial"
sleep 0.1
printf "%s" "1" > "$SYS/enable"
sleep 1
sleep 0.1
${optionalString cfg.usb.adbd "adbd &\n"}
fi