1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/video/fbdev/core/fb_cmdline.c b/drivers/video/fbdev/core/fb_cmdline.c
new file mode 100644
index 000000000000..594b60424d1c
--- /dev/null
+++ b/drivers/video/fbdev/core/fb_cmdline.c
@@ -0,0 +1,61 @@
+/*
+ *  linux/drivers/video/fb_cmdline.c
+ *
+ *  Copyright (C) 2014 Intel Corp
+ *  Copyright (C) 1994 Martin Schaller
+ *
+ *	2001 - Documented with DocBook
+ *	- Brad Douglas <brad@neruo.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ *
+ * Authors:
+ *    Daniel Vetter <daniel.vetter@ffwll.ch>
+ */
+
+#include <linux/export.h>
+#include <linux/fb.h>
+#include <linux/string.h>
+
+#include <video/cmdline.h>
+
+/**
+ * fb_get_options - get kernel boot parameters
+ * @name:   framebuffer name as it would appear in
+ *          the boot parameter line
+ *          (video=<name>:<options>)
+ * @option: the option will be stored here
+ *
+ * The caller owns the string returned in @option and is
+ * responsible for releasing the memory.
+ *
+ * NOTE: Needed to maintain backwards compatibility
+ */
+int fb_get_options(const char *name, char **option)
+{
+	const char *options = NULL;
+	bool is_of = false;
+	bool enabled;
+
+	if (name)
+		is_of = !strncmp(name, "offb", 4);
+
+	enabled = __video_get_options(name, &options, is_of);
+
+	if (options) {
+		if (!strncmp(options, "off", 3))
+			enabled = false;
+	}
+
+	if (option) {
+		if (options)
+			*option = kstrdup(options, GFP_KERNEL);
+		else
+			*option = NULL;
+	}
+
+	return enabled ? 0 : 1; // 0 on success, 1 otherwise
+}
+EXPORT_SYMBOL(fb_get_options);