video: add fb_edid_add_monspecs for parsing extended edid information

Modern monitors/tvs have more extended EDID information blocks which can
contain extra detailed modes.  This adds a fb_edid_add_monspecs function
which drivers can use to parse those additions blocks.

Signed-off-by: Erik Gilling <konkers@android.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/fb.h b/include/linux/fb.h
index 7fca3dc4e475..6f0274d96f0c 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -1092,6 +1092,8 @@ extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
 extern const unsigned char *fb_firmware_edid(struct device *device);
 extern void fb_edid_to_monspecs(unsigned char *edid,
                                 struct fb_monspecs *specs);
+extern void fb_edid_add_monspecs(unsigned char *edid,
+                                 struct fb_monspecs *specs);
 extern void fb_destroy_modedb(struct fb_videomode *modedb);
 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
 extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);