diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index ab7d656..e8e27ca 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -214,18 +214,26 @@
 			     int hs_pol_inv, int vs_pol_inv, int extif_div);
 
 /* DSI */
-void dsi_bus_lock(void);
-void dsi_bus_unlock(void);
-int dsi_vc_dcs_write(int channel, u8 *data, int len);
-int dsi_vc_dcs_write_0(int channel, u8 dcs_cmd);
-int dsi_vc_dcs_write_1(int channel, u8 dcs_cmd, u8 param);
-int dsi_vc_dcs_write_nosync(int channel, u8 *data, int len);
-int dsi_vc_dcs_read(int channel, u8 dcs_cmd, u8 *buf, int buflen);
-int dsi_vc_dcs_read_1(int channel, u8 dcs_cmd, u8 *data);
-int dsi_vc_dcs_read_2(int channel, u8 dcs_cmd, u8 *data1, u8 *data2);
-int dsi_vc_set_max_rx_packet_size(int channel, u16 len);
-int dsi_vc_send_null(int channel);
-int dsi_vc_send_bta_sync(int channel);
+void dsi_bus_lock(struct omap_dss_device *dssdev);
+void dsi_bus_unlock(struct omap_dss_device *dssdev);
+int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
+		int len);
+int dsi_vc_dcs_write_0(struct omap_dss_device *dssdev, int channel,
+		u8 dcs_cmd);
+int dsi_vc_dcs_write_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
+		u8 param);
+int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
+		u8 *data, int len);
+int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
+		u8 *buf, int buflen);
+int dsi_vc_dcs_read_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
+		u8 *data);
+int dsi_vc_dcs_read_2(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
+		u8 *data1, u8 *data2);
+int dsi_vc_set_max_rx_packet_size(struct omap_dss_device *dssdev, int channel,
+		u16 len);
+int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel);
+int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel);
 
 /* Board specific data */
 struct omap_dss_board_info {
@@ -575,7 +583,8 @@
 #define to_dss_driver(x) container_of((x), struct omap_dss_driver, driver)
 #define to_dss_device(x) container_of((x), struct omap_dss_device, dev)
 
-void omapdss_dsi_vc_enable_hs(int channel, bool enable);
+void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
+		bool enable);
 int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable);
 
 int omap_dsi_prepare_update(struct omap_dss_device *dssdev,