[PATCH 1/2] media: i2c: st_mipid02: cascade s_stream call to the source subdev

From: Alain Volmat
Date: Tue Jul 11 2023 - 09:25:36 EST


Cascade the s_stream call to the source subdev whenever the bridge
streaming is enable / disabled.

Signed-off-by: Alain Volmat <alain.volmat@xxxxxxxxxxx>
---
drivers/media/i2c/st-mipid02.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/media/i2c/st-mipid02.c b/drivers/media/i2c/st-mipid02.c
index 906553a28676..703d2f06f552 100644
--- a/drivers/media/i2c/st-mipid02.c
+++ b/drivers/media/i2c/st-mipid02.c
@@ -547,6 +547,13 @@ static int mipid02_stream_disable(struct mipid02_dev *bridge)
struct i2c_client *client = bridge->i2c_client;
int ret;

+ if (!bridge->s_subdev)
+ goto error;
+
+ ret = v4l2_subdev_call(bridge->s_subdev, video, s_stream, 0);
+ if (ret)
+ goto error;
+
/* Disable all lanes */
ret = mipid02_write_reg(bridge, MIPID02_CLK_LANE_REG1, 0);
if (ret)
@@ -633,6 +640,10 @@ static int mipid02_stream_enable(struct mipid02_dev *bridge)
if (ret)
goto error;

+ ret = v4l2_subdev_call(bridge->s_subdev, video, s_stream, 1);
+ if (ret)
+ goto error;
+
return 0;

error:
--
2.25.1