Signed-off-by: Kuninori Morimoto <morimoto.kuninori@xxxxxxxxxxx>
---
drivers/media/video/sh_mobile_ceu_camera.c | 25 +++++++++++++++++++++++++
include/media/sh_mobile_ceu.h | 3 +++
2 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index 746aed0..e5cee0f 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -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;
diff --git a/include/media/sh_mobile_ceu.h b/include/media/sh_mobile_ceu.h
index 0f3524c..3726daf 100644
--- a/include/media/sh_mobile_ceu.h
+++ b/include/media/sh_mobile_ceu.h
@@ -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;
--
1.6.3.3
--
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