diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/video/via/via_aux_edid.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/video/via/via_aux_edid.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/ANDROID_3.4.5/drivers/video/via/via_aux_edid.c b/ANDROID_3.4.5/drivers/video/via/via_aux_edid.c deleted file mode 100644 index 754d4509..00000000 --- a/ANDROID_3.4.5/drivers/video/via/via_aux_edid.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; - * either version 2, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even - * the implied warranty of MERCHANTABILITY or FITNESS FOR - * A PARTICULAR PURPOSE.See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ -/* - * generic EDID driver - */ - -#include <linux/slab.h> -#include <linux/fb.h> -#include "via_aux.h" -#include "../edid.h" - - -static const char *name = "EDID"; - - -static void query_edid(struct via_aux_drv *drv) -{ - struct fb_monspecs *spec = drv->data; - unsigned char edid[EDID_LENGTH]; - bool valid = false; - - if (spec) { - fb_destroy_modedb(spec->modedb); - } else { - spec = kmalloc(sizeof(*spec), GFP_KERNEL); - if (!spec) - return; - } - - spec->version = spec->revision = 0; - if (via_aux_read(drv, 0x00, edid, EDID_LENGTH)) { - fb_edid_to_monspecs(edid, spec); - valid = spec->version || spec->revision; - } - - if (!valid) { - kfree(spec); - spec = NULL; - } else - printk(KERN_DEBUG "EDID: %s %s\n", spec->manufacturer, spec->monitor); - - drv->data = spec; -} - -static const struct fb_videomode *get_preferred_mode(struct via_aux_drv *drv) -{ - struct fb_monspecs *spec = drv->data; - int i; - - if (!spec || !spec->modedb || !(spec->misc & FB_MISC_1ST_DETAIL)) - return NULL; - - for (i = 0; i < spec->modedb_len; i++) { - if (spec->modedb[i].flag & FB_MODE_IS_FIRST && - spec->modedb[i].flag & FB_MODE_IS_DETAILED) - return &spec->modedb[i]; - } - - return NULL; -} - -static void cleanup(struct via_aux_drv *drv) -{ - struct fb_monspecs *spec = drv->data; - - if (spec) - fb_destroy_modedb(spec->modedb); -} - -void via_aux_edid_probe(struct via_aux_bus *bus) -{ - struct via_aux_drv drv = { - .bus = bus, - .addr = 0x50, - .name = name, - .cleanup = cleanup, - .get_preferred_mode = get_preferred_mode}; - - query_edid(&drv); - - /* as EDID devices can be connected/disconnected just add the driver */ - via_aux_add(&drv); -} |