From 5568fb4402d5b0e01f61867c281b07633f529fd4 Mon Sep 17 00:00:00 2001 From: Dirk Eibach Date: Thu, 3 Jul 2014 09:28:21 +0200 Subject: board: gdsys: Configure bridge on DP501 to support DDC only The I2C bridge on DP501 supports EDID, MCCS and HDCP by default. Allow EDID only to avoid I2C address conflicts. Signed-off-by: Dirk Eibach --- board/gdsys/common/dp501.c | 1 + 1 file changed, 1 insertion(+) (limited to 'board/gdsys') diff --git a/board/gdsys/common/dp501.c b/board/gdsys/common/dp501.c index e00e589..7958bae 100644 --- a/board/gdsys/common/dp501.c +++ b/board/gdsys/common/dp501.c @@ -54,6 +54,7 @@ static void dp501_link_training(u8 addr) void dp501_powerup(u8 addr) { dp501_clrbits(addr, 0x0a, 0x30); /* power on encoder */ + dp501_setbits(addr, 0x0a, 0x0e); /* block HDCP and MCCS on I2C bride*/ i2c_reg_write(addr, 0x27, 0x30); /* Hardware auto detect DVO timing */ dp501_setbits(addr, 0x72, 0x80); /* DPCD read enable */ dp501_setbits(addr, 0x30, 0x20); /* RS polynomial select */ -- cgit v1.1