[media] omap3isp: Support configurable HS/VS polarities

Add two fields to the ISP parallel platform data to set the HS and VS
signals polarities.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 8 insertions, 2 deletions

diff --git a/drivers/media/video/omap3isp/isp.h b/drivers/media/video/omap3isp/isp.h
index 2620c405f5e4..529e582ef948 100644
--- a/drivers/media/video/omap3isp/isp.h
+++ b/drivers/media/video/omap3isp/isp.h
@@ -139,6 +139,10 @@ struct isp_reg {
  *              3 - CAMEXT[13:6] -> CAM[7:0]
  * @clk_pol: Pixel clock polarity
  *              0 - Non Inverted, 1 - Inverted
+ * @hs_pol: Horizontal synchronization polarity
+ *              0 - Active high, 1 - Active low
+ * @vs_pol: Vertical synchronization polarity
+ *              0 - Active high, 1 - Active low
  * @bridge: CCDC Bridge input control
  *              ISPCTRL_PAR_BRIDGE_DISABLE - Disable
  *              ISPCTRL_PAR_BRIDGE_LENDIAN - Little endian
@@ -147,6 +151,8 @@ struct isp_reg {
 struct isp_parallel_platform_data {
         unsigned int data_lane_shift:2;
         unsigned int clk_pol:1;
+        unsigned int hs_pol:1;
+        unsigned int vs_pol:1;
         unsigned int bridge:4;
 };
 
diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c
index 67662470661d..9d3459de04b2 100644
--- a/drivers/media/video/omap3isp/ispccdc.c
+++ b/drivers/media/video/omap3isp/ispccdc.c
@@ -1148,6 +1148,8 @@ static void ccdc_configure(struct isp_ccdc_device *ccdc)
         omap3isp_configure_bridge(isp, ccdc->input, pdata, shift);
 
         ccdc->syncif.datsz = depth_out;
+        ccdc->syncif.hdpol = pdata ? pdata->hs_pol : 0;
+        ccdc->syncif.vdpol = pdata ? pdata->vs_pol : 0;
         ccdc_config_sync_if(ccdc, &ccdc->syncif);
 
         /* CCDC_PAD_SINK */
@@ -2256,8 +2258,6 @@ int omap3isp_ccdc_init(struct isp_device *isp)
         ccdc->syncif.fldout = 0;
         ccdc->syncif.fldpol = 0;
         ccdc->syncif.fldstat = 0;
-        ccdc->syncif.hdpol = 0;
-        ccdc->syncif.vdpol = 0;
 
         ccdc->clamp.oblen = 0;
         ccdc->clamp.dcsubval = 0;