[PATCH 3/3] media: mt9v032: Add get_mbus_config subdev_pad_ops callback

[Primoz Fiser]

From: Stefan Riedmüller <s.riedmueller@xxxxxxxxx>

Some drivers like the i.MX6 IPU driver require the get_mbus_config
callback to be implemented, thus implement it.

Signed-off-by: Stefan Riedmüller <s.riedmueller@xxxxxxxxx>
Signed-off-by: Primoz Fiser <primoz.fiser@xxxxxxxxx>
---
 drivers/media/i2c/mt9v032.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
index d8e34e128d77..7cf0421355b5 100644
--- a/drivers/media/i2c/mt9v032.c
+++ b/drivers/media/i2c/mt9v032.c
@@ -1003,6 +1003,25 @@ static int mt9v032_close(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh)
 	return mt9v032_set_power(subdev, 0);
 }
 
+static int mt9v032_get_mbus_config(struct v4l2_subdev *sd, unsigned int pad,
+				   struct v4l2_mbus_config *cfg)
+{
+	struct mt9v032 *mt9v032 = to_mt9v032(sd);
+
+	cfg->type = V4L2_MBUS_PARALLEL;
+
+	cfg->bus.parallel.flags = V4L2_MBUS_MASTER |
+				  V4L2_MBUS_HSYNC_ACTIVE_HIGH |
+				  V4L2_MBUS_VSYNC_ACTIVE_HIGH |
+				  V4L2_MBUS_DATA_ACTIVE_HIGH;
+
+	cfg->bus.parallel.flags |= mt9v032->pdata.clk_pol ?
+				   V4L2_MBUS_PCLK_SAMPLE_RISING :
+				   V4L2_MBUS_PCLK_SAMPLE_FALLING;
+
+	return 0;
+}
+
 static const struct v4l2_subdev_core_ops mt9v032_subdev_core_ops = {
 	.s_power	= mt9v032_set_power,
 };
@@ -1018,6 +1037,7 @@ static const struct v4l2_subdev_pad_ops mt9v032_subdev_pad_ops = {
 	.set_fmt = mt9v032_set_format,
 	.get_selection = mt9v032_get_selection,
 	.set_selection = mt9v032_set_selection,
+	.get_mbus_config = mt9v032_get_mbus_config,
 };
 
 static const struct v4l2_subdev_ops mt9v032_subdev_ops = {
-- 
2.34.1