@@ -660,6 +660,31 @@ 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_HSP)
+ 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_VSP)
+ common_flags &= ~SOCAM_VSYNC_ACTIVE_HIGH;
+ else
+ common_flags &= ~SOCAM_VSYNC_ACTIVE_LOW;
+ }
+
+ if ((common_flags & SOCAM_PCLK_SAMPLE_RISING) &&
+ (common_flags & SOCAM_PCLK_SAMPLE_FALLING)) {
+ if (pcdev->pdata->flags & SH_CEU_FLAG_PCP)
+ common_flags &= ~SOCAM_PCLK_SAMPLE_RISING;
+ else
+ common_flags &= ~SOCAM_PCLK_SAMPLE_FALLING;
+ }
+
ret = icd->ops->set_bus_param(icd, common_flags);
if (ret < 0)
return ret;
@@ -3,6 +3,9 @@
#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_PCP (1 << 2) /* Pixel clock polarity */
+#define SH_CEU_FLAG_HSP (1 << 3) /* Horizontal sync polarity */
+#define SH_CEU_FLAG_VSP (1 << 4) /* Vertical sync polarity */
struct sh_mobile_ceu_info {
unsigned long flags;