diff --git a/include/media/adv7604.h b/include/media/adv7604.h
index 0c96e16..22fd1ac 100644
--- a/include/media/adv7604.h
+++ b/include/media/adv7604.h
@@ -78,6 +78,12 @@
 	ADV7604_OP_FORMAT_SEL_SDR_ITU656_24_MODE2 = 0x8a,
 };
 
+enum adv7604_drive_strength {
+	ADV7604_DR_STR_MEDIUM_LOW = 1,
+	ADV7604_DR_STR_MEDIUM_HIGH = 2,
+	ADV7604_DR_STR_HIGH = 3,
+};
+
 /* Platform dependent definition */
 struct adv7604_platform_data {
 	/* connector - HDMI or DVI? */
@@ -110,6 +116,11 @@
 	unsigned replicate_av_codes:1;
 	unsigned invert_cbcr:1;
 
+	/* IO register 0x14 */
+	enum adv7604_drive_strength dr_str_data;
+	enum adv7604_drive_strength dr_str_clk;
+	enum adv7604_drive_strength dr_str_sync;
+
 	/* IO register 0x30 */
 	unsigned output_bus_lsb_to_msb:1;