Handle CLOCKENB pin polarity, or use HSYNC in its place if polarity is
not specified.
Signed-off-by: Jacopo Mondi <jacopo+rene...@jmondi.org>
---
drivers/media/platform/rcar-vin/rcar-dma.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c
b/drivers/media/platform/rcar-vin/rcar-dma.c
index ac07f99..7a84eae 100644
--- a/drivers/media/platform/rcar-vin/rcar-dma.c
+++ b/drivers/media/platform/rcar-vin/rcar-dma.c
@@ -123,6 +123,8 @@
/* Video n Data Mode Register 2 bits */
#define VNDMR2_VPS (1 << 30)
#define VNDMR2_HPS (1 << 29)
+#define VNDMR2_CES (1 << 28)
+#define VNDMR2_CHS (1 << 23)
#define VNDMR2_FTEV (1 << 17)
#define VNDMR2_VLV(n) ((n & 0xf) << 12)
@@ -691,6 +693,15 @@ static int rvin_setup(struct rvin_dev *vin)
dmr2 |= VNDMR2_VPS;
/*
+ * Clock-enable active level select.
+ * Use HSYNC as enable if not specified
+ */
+ if (vin->mbus_cfg.flags & V4L2_MBUS_DATA_ACTIVE_LOW)
+ dmr2 |= VNDMR2_CES;
+ else if (!(vin->mbus_cfg.flags & V4L2_MBUS_DATA_ACTIVE_HIGH))
+ dmr2 |= VNDMR2_CHS;
+
+ /*
* Output format
*/
switch (vin->format.pixelformat) {
--
2.7.4
