File: 0002-Skip-build-if-BACKLIGHT_CLASS_DEVICE-off.patch

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ddcci-driver-linux 0.4.2-4
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Description: Skip building if BACKLIGHT_CLASS_DEVICE is disabled
 Avoid a FTBFS when BACKLIGHT_CLASS_DEVICE is disabled
Author: Paolo Pisati <paolo.pisati@canonical.com>
Bug-Ubuntu: https://bugs.launchpad.net/bugs/1837073

--- ddcci-driver-linux-0.3.2.orig/dkms.conf
+++ ddcci-driver-linux-0.3.2/dkms.conf
@@ -9,3 +9,8 @@ DEST_MODULE_LOCATION[0]="/extra"
 DEST_MODULE_LOCATION[1]="/extra"
 MAKE[0]="make KVER=$kernelver -C ${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build"
 AUTOINSTALL="yes"
+# Don't build module when BACKLIGHT_CLASS_DEVICE is disabled
+if ! grep -q "^CONFIG_BACKLIGHT_CLASS_DEVICE=[ym]$" "$kernel_source_dir/.config" 2>/dev/null ; then
+  echo "BACKLIGHT_CLASS_DEVICE disabled in this kernel, not building module." >&2
+  BUILD_EXCLUSIVE_ARCH="^do_not_build$"
+fi