1 files changed, 19 insertions, 3 deletions

diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 8436088ffe13..ffd9bd983023 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -97,8 +97,11 @@ static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initdata = {
         { "dss_hdmi", "omapdss_hdmi", -1 },
 };
 
-static void omap4_hdmi_mux_pads()
+static void omap4_hdmi_mux_pads(enum omap_hdmi_flags flags)
 {
+        u32 reg;
+        u16 control_i2c_1;
+
         /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
         omap_mux_init_signal("hdmi_hpd",
                         OMAP_PIN_INPUT_PULLUP);
@@ -109,6 +112,19 @@ static void omap4_hdmi_mux_pads()
                         OMAP_PIN_INPUT_PULLUP);
         omap_mux_init_signal("hdmi_ddc_sda",
                         OMAP_PIN_INPUT_PULLUP);
+
+        /*
+         * CONTROL_I2C_1: HDMI_DDC_SDA_PULLUPRESX (bit 28) and
+         * HDMI_DDC_SCL_PULLUPRESX (bit 24) are set to disable
+         * internal pull up resistor.
+         */
+        if (flags & OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP) {
+                control_i2c_1 = OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_I2C_1;
+                reg = omap4_ctrl_pad_readl(control_i2c_1);
+                reg |= (OMAP4_HDMI_DDC_SDA_PULLUPRESX_MASK |
+                        OMAP4_HDMI_DDC_SCL_PULLUPRESX_MASK);
+                        omap4_ctrl_pad_writel(reg, control_i2c_1);
+        }
 }
 
 static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
@@ -144,10 +160,10 @@ static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
         return 0;
 }
 
-int omap_hdmi_init(void)
+int omap_hdmi_init(enum omap_hdmi_flags flags)
 {
         if (cpu_is_omap44xx())
-                omap4_hdmi_mux_pads();
+                omap4_hdmi_mux_pads(flags);
 
         return 0;
 }