From 109edcf62e0a4bced6032915705ddeb4b753da10 Mon Sep 17 00:00:00 2001
From: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Date: Wed, 3 Feb 2016 00:05:42 +0100
Subject: [PATCH] Add customizable linux logo

This patch adds a custom linux logo to the generated kernel image.

[FH - skip conversion if already converted]

Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
---
 linux/Config.ext.in              |  9 +++++++++
 linux/linux-ext-customlogo.mk    | 11 +++++++++++
 package/Config.in                |  1 +
 package/customlogo/Config.in     | 17 +++++++++++++++++
 package/customlogo/customlogo.mk | 25 +++++++++++++++++++++++++
 5 files changed, 63 insertions(+)
 create mode 100644 linux/linux-ext-customlogo.mk
 create mode 100644 package/customlogo/Config.in
 create mode 100644 package/customlogo/customlogo.mk

diff --git a/linux/Config.ext.in b/linux/Config.ext.in
index 011dffb..6705adb 100644
--- a/linux/Config.ext.in
+++ b/linux/Config.ext.in
@@ -1,6 +1,15 @@
 menu "Linux Kernel Extensions"
 
 #-------------------------------------------------------------------------------
+# Custom logo
+config BR2_LINUX_KERNEL_EXT_CUSTOMLOGO
+	select BR2_PACKAGE_CUSTOMLOGO
+	bool "Custom logo"
+	help
+	  change linux boot logo with your own graphics.
+	  Can be used as an early bootsplash.
+
+#-------------------------------------------------------------------------------
 # Xenomai
 config BR2_LINUX_KERNEL_EXT_XENOMAI
 	bool "Adeos/Xenomai Real-time patch"
diff --git a/linux/linux-ext-customlogo.mk b/linux/linux-ext-customlogo.mk
new file mode 100644
index 0000000..ed9cbc1
--- /dev/null
+++ b/linux/linux-ext-customlogo.mk
@@ -0,0 +1,11 @@
+################################################################################
+#
+# Custom logo
+#
+################################################################################
+
+LINUX_EXTENSIONS += customlogo
+
+define CUSTOMLOGO_PREPARE_KERNEL
+	cp $(CUSTOMLOGO_DIR)/logo_linux_*.p?m $(LINUX_DIR)/drivers/video/logo
+endef
diff --git a/package/Config.in b/package/Config.in
index 9ed296f..1774c3c 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -210,6 +210,7 @@ comment "Sounds"
 
 comment "Themes"
 	source "package/gtk2-engines/Config.in"
+	source "package/customlogo/Config.in"
 
 endmenu
 
diff --git a/package/customlogo/Config.in b/package/customlogo/Config.in
new file mode 100644
index 0000000..3044b14
--- /dev/null
+++ b/package/customlogo/Config.in
@@ -0,0 +1,17 @@
+config BR2_PACKAGE_CUSTOMLOGO
+	bool "Custom logo"
+	help
+	  Change linux boot logo with your own graphics.
+	  Can be used as an early bootsplash.
+
+	  Requires a pre-installed imagemagick on the host system if
+	  the logo is not in the clut224.ppm format.
+
+if BR2_PACKAGE_CUSTOMLOGO
+
+config BR2_PACKAGE_CUSTOMLOGO_PATH
+	string "image file path"
+	help
+	  This image will be used as custom logo.
+
+endif
diff --git a/package/customlogo/customlogo.mk b/package/customlogo/customlogo.mk
new file mode 100644
index 0000000..aa0e4de
--- /dev/null
+++ b/package/customlogo/customlogo.mk
@@ -0,0 +1,25 @@
+################################################################################
+#
+# customlogo
+#
+################################################################################
+
+CUSTOMLOGO_SOURCE =
+
+ifneq ($(findstring _clut224.ppm,$(BR2_PACKAGE_CUSTOMLOGO_PATH)),)
+define CUSTOMLOGO_BUILD_CMDS
+	cp $(BR2_PACKAGE_CUSTOMLOGO_PATH) $(@D)/logo_linux_clut224.ppm
+endef
+else ifneq ($(findstring .pbm,$(BR2_PACKAGE_CUSTOMLOGO_PATH)),)
+define CUSTOMLOGO_BUILD_CMDS
+	cp $(BR2_PACKAGE_CUSTOMLOGO_PATH) $(@D)/logo_linux_mono.pbm
+endef
+else
+define CUSTOMLOGO_BUILD_CMDS
+	convert $(BR2_PACKAGE_CUSTOMLOGO_PATH) \
+		-dither None -colors 224 -compress none \
+		$(@D)/logo_linux_clut224.ppm)
+endef
+endif
+
+$(eval $(generic-package))
-- 
2.7.4