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Message-ID: <20230721120316.1172445-2-alain.volmat@foss.st.com>
Date: Fri, 21 Jul 2023 14:03:14 +0200
From: Alain Volmat <alain.volmat@...s.st.com>
To: Benjamin Mugnier <benjamin.mugnier@...s.st.com>,
Sylvain Petinot <sylvain.petinot@...s.st.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>
CC: Alain Volmat <alain.volmat@...s.st.com>,
<linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 1/2] media: i2c: st_mipid02: cascade s_stream call to the source subdev
Cascade the s_stream call to the source subdev whenever the bridge
streaming is enable / disabled.
Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
v2: correct uninitialized ret variable in mipid02_stream_disable
drivers/media/i2c/st-mipid02.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/st-mipid02.c b/drivers/media/i2c/st-mipid02.c
index 906553a28676..ee456bd4cf76 100644
--- a/drivers/media/i2c/st-mipid02.c
+++ b/drivers/media/i2c/st-mipid02.c
@@ -545,7 +545,14 @@ static int mipid02_configure_from_code(struct mipid02_dev *bridge)
static int mipid02_stream_disable(struct mipid02_dev *bridge)
{
struct i2c_client *client = bridge->i2c_client;
- int ret;
+ int ret = -EINVAL;
+
+ 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);
@@ -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
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