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android-tools-conf-configfs: add an alternative to anrdoid-tools-conf

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The package android-tools-conf depends on presence of
/sys/class/android_usb, which is not present in default (mainline)
kernels. Add a set of scripts that will use ConfigFS to configure USB
gadget rather than using non-standard device class.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Dmitry Baryshkov 2020-12-24 13:31:23 +03:00 committed by Khem Raj
parent 049f0b3e83
commit f371896070
5 changed files with 105 additions and 0 deletions
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4
meta-oe/recipes-devtools/android-tools/android-tools-conf-configfs/10-adbd-configfs.conf Normal file
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[Service]
ExecStartPre=/usr/bin/android-gadget-setup
ExecStartPost=/usr/bin/android-gadget-start
ExecStopPost=/usr/bin/android-gadget-cleanup

24
meta-oe/recipes-devtools/android-tools/android-tools-conf-configfs/android-gadget-cleanup Normal file
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#!/bin/sh
[ -d /sys/kernel/config/usb_gadget ] || exit 0
cd /sys/kernel/config/usb_gadget
cd adb
echo "" > UDC || true
killall adbd || true
umount /dev/usb-ffs/adb
rm configs/c.1/ffs.usb0
rmdir configs/c.1/strings/0x409
rmdir configs/c.1
rmdir functions/ffs.usb0
rmdir strings/0x409
cd ..
rmdir adb

35
meta-oe/recipes-devtools/android-tools/android-tools-conf-configfs/android-gadget-setup Normal file
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#!/bin/sh
set -e
manufacturer=RPB
model="Android device"
serial=0123456789ABCDEF
if [ -r /etc/android-gadget-setup.machine ] ; then
. /etc/android-gadget-setup.machine
fi
[ -d /sys/kernel/config/usb_gadget ] || modprobe libcomposite
cd /sys/kernel/config/usb_gadget
[ -d adb ] && /usr/bin/android-gadget-cleanup || true
mkdir adb
cd adb
mkdir configs/c.1
mkdir functions/ffs.usb0
mkdir strings/0x409
mkdir configs/c.1/strings/0x409
echo 0x18d1 > idVendor
echo 0xd002 > idProduct
echo "$serial" > strings/0x409/serialnumber
echo "$manufacturer" > strings/0x409/manufacturer
echo "$model" > strings/0x409/product
echo "Conf 1" > configs/c.1/strings/0x409/configuration
ln -s functions/ffs.usb0 configs/c.1
mkdir -p /dev/usb-ffs/adb
mount -t functionfs usb0 /dev/usb-ffs/adb

7
meta-oe/recipes-devtools/android-tools/android-tools-conf-configfs/android-gadget-start Normal file
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#!/bin/sh
set -e
sleep 3
ls /sys/class/udc/ > /sys/kernel/config/usb_gadget/adb/UDC

35
meta-oe/recipes-devtools/android-tools/android-tools-conf-configfs_1.0.bb Normal file
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DESCRIPTION = "Different utilities from Android - corressponding configuration files for using ConfigFS"
SECTION = "console/utils"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
SRC_URI = " \
file://android-gadget-setup \
file://android-gadget-start \
file://android-gadget-cleanup \
file://10-adbd-configfs.conf \
"
PACKAGE_ARCH = "${MACHINE_ARCH}"
do_install() {
install -d ${D}${bindir}
install -m 0755 ${WORKDIR}/android-gadget-setup ${D}${bindir}
install -m 0755 ${WORKDIR}/android-gadget-start ${D}${bindir}
install -m 0755 ${WORKDIR}/android-gadget-cleanup ${D}${bindir}
if [ -r ${WORKDIR}/android-gadget-setup.machine ] ; then
install -d ${D}${sysconfdir}
install -m 0644 ${WORKDIR}/android-gadget-setup.machine ${D}${sysconfdir}
fi
install -d ${D}${systemd_unitdir}/system/android-tools-adbd.service.d
install -m 0644 ${WORKDIR}/10-adbd-configfs.conf ${D}${systemd_unitdir}/system/android-tools-adbd.service.d
}
FILES_${PN} += " \
${systemd_unitdir}/system/ \
"
PROVIDES += "android-tools-conf"
RPROVIDES_${PN} = "android-tools-conf"