/* *  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);