dracut: add roadrunner2/macbook12-spi-driver on MacBook HW

dracut/modules.d/90macbook12-spi-driver/module-setup.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/bash
+# Add roadrunner2/macbook12-spi-driver drivers to initramfs for supporting keyboard, touchpad, touchbar in the MacBooks.
+# Pre-requisite: these drivers need to be included in the Linux kernel package.
+
+check() {
+  grep -q ^MacBook /sys/devices/virtual/dmi/id/product_name || return 255
+}
+
+installkernel() {
+  hostonly='' instmods intel_lpss intel_lpss_pci spi_pxa2xx_platform spi_pxa2xx_pci applespi apple_ib_tb
+}
+
+install() {
+  echo "options apple_ib_tb fnmode=2" >> "${initdir}/etc/modprobe.d/macbook12-spi-driver.conf"
+  echo "options applespi fnremap=1" >> "${initdir}/etc/modprobe.d/macbook12-spi-driver.conf"
+}

rpm_spec/core-dom0-linux.spec.in

@@ -211,6 +211,8 @@ chmod -x /etc/grub.d/10_linux
 %attr(0664,root,qubes) %config(noreplace) /etc/qubes-rpc/policy/qubes.repos.Disable
 # Dracut module
 /etc/dracut.conf.d/*
+%dir %{_dracutmoddir}/90macbook12-spi-driver
+%{_dracutmoddir}/90macbook12-spi-driver/*
 %dir %{_dracutmoddir}/90qubes-pciback
 %{_dracutmoddir}/90qubes-pciback/*
 %dir %{_dracutmoddir}/90extra-modules