OMAP: DSS2: HDMI: implement read_edid()

Implement read_edid() for HDMI by implementing necessary functions to
hdmi.c and to hdmi_omap4_panel.c.

Cc: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 48bba53de0ab..2e7799c82960 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -494,6 +494,7 @@ void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev);
 void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev);
 int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
                                         struct omap_video_timings *timings);
+int omapdss_hdmi_read_edid(u8 *buf, int len);
 int hdmi_panel_init(void);
 void hdmi_panel_exit(void);