Add pulseaudio + fix some service stating error due to readonly fs

conf/layer.conf

@@ -15,7 +15,7 @@ LAYERSERIES_COMPAT_meta-diya = "walnascar"
 PACKAGE_CLASSES = "package_ipk"
 INHERIT += " rm_work "
 
-DISTRO_FEATURES:append := " opengl pam systemd usrmerge ppp usbgadget wifi vulkan "
+DISTRO_FEATURES:append := " opengl pam systemd usrmerge ppp usbgadget wifi vulkan alsa pulseaudio "
 DISTRO_FEATURES:remove = " x11 ptest sysvinit "
 DISTRO_FEATURES_BACKFILL_CONSIDERED += " sysvinit "
 VIRTUAL-RUNTIME_init_manager = "systemd"

recipes-core/images/base-image.inc

@@ -50,6 +50,15 @@ IMAGE_INSTALL:append = "kernel-modules \
                         coreutils \
                         glmark2 \
                         usb-gadget-diya \
+                        pulseaudio \
+                        pulseaudio-server \
+                        alsa-utils \
+                        pulseaudio-module-alsa-card \
+                        pulseaudio-module-alsa-source \
+                        pulseaudio-module-alsa-sink \
+                        pulseaudio-module-cli \
+                        pulseaudio-module-echo-cancel \
+                        pulseaudio-misc \
                         " 
 
 # TOOLCHAIN_HOST_TASK:append = " libxkbcommon "

recipes-core/volatile-binds/files/volatile-binds.service.in

@@ -0,0 +1,19 @@
+[Unit]
+Description=Bind mount volatile @where@
+DefaultDependencies=no
+Before=local-fs.target network.target
+RequiresMountsFor=@whatparent@ @whereparent@
+ConditionPathIsReadWrite=|@whatparent@
+ConditionPathExists=|!@whatparent@
+ConditionPathExists=@where@
+ConditionPathIsReadWrite=!@where@
+
+[Service]
+Type=oneshot
+RemainAfterExit=Yes
+Environment=MOUNT_COPYBIND_AVOID_OVERLAYFS=@avoid_overlayfs@
+ExecStart=/sbin/mount-copybind @what@ @where@
+ExecStop=/bin/umount @where@
+
+[Install]
+WantedBy=local-fs.target

recipes-core/volatile-binds/volatile-binds.bbappend

@@ -0,0 +1,2 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
+SRC_URI += " file://volatile-binds.service.in "

recipes-devtools/usbnet-tools/files/pinephone-setup-usb-network

@@ -19,4 +19,4 @@ fi
 
 # set up ip forward
 sysctl -w net.ipv4.ip_forward=1
-nmcli con up USB
+nmcli con up USB || true

recipes-multimedia/pulseaudio/pulseaudio_%.bbappend

@@ -0,0 +1 @@
+PACKAGECONFIG:append = " systemd dbus bluez5 gsettings jack "