V4L/DVB (13665): sh_mobile_ceu_camera: Add support for sync polarity selection

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index df8dc1d..a610a57 100644 (file)
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -687,6 +687,23 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
        if (!common_flags)
                return -EINVAL;
 
+       /* Make choises, based on platform preferences */
+       if ((common_flags & SOCAM_HSYNC_ACTIVE_HIGH) &&
+           (common_flags & SOCAM_HSYNC_ACTIVE_LOW)) {
+               if (pcdev->pdata->flags & SH_CEU_FLAG_HSYNC_LOW)
+                       common_flags &= ~SOCAM_HSYNC_ACTIVE_HIGH;
+               else
+                       common_flags &= ~SOCAM_HSYNC_ACTIVE_LOW;
+       }
+
+       if ((common_flags & SOCAM_VSYNC_ACTIVE_HIGH) &&
+           (common_flags & SOCAM_VSYNC_ACTIVE_LOW)) {
+               if (pcdev->pdata->flags & SH_CEU_FLAG_VSYNC_LOW)
+                       common_flags &= ~SOCAM_VSYNC_ACTIVE_HIGH;
+               else
+                       common_flags &= ~SOCAM_VSYNC_ACTIVE_LOW;
+       }
+
        ret = icd->ops->set_bus_param(icd, common_flags);
        if (ret < 0)
                return ret;

diff --git a/include/media/sh_mobile_ceu.h b/include/media/sh_mobile_ceu.h
index 0f3524c..b677478 100644 (file)
--- a/include/media/sh_mobile_ceu.h
+++ b/include/media/sh_mobile_ceu.h
@@ -3,6 +3,8 @@
 
 #define SH_CEU_FLAG_USE_8BIT_BUS       (1 << 0) /* use  8bit bus width */
 #define SH_CEU_FLAG_USE_16BIT_BUS      (1 << 1) /* use 16bit bus width */
+#define SH_CEU_FLAG_HSYNC_LOW          (1 << 2) /* default High if possible */
+#define SH_CEU_FLAG_VSYNC_LOW          (1 << 3) /* default High if possible */
 
 struct sh_mobile_ceu_info {
        unsigned long flags;