LinuxTV Patchwork [12/14] media: ov6650: Fix default format not applied on device probe

login
register
mail settings
Submitter Janusz Krzysztofik
Date April 8, 2019, 9:42 p.m.
Message ID <20190408214242.9603-13-jmkrzyszt@gmail.com>
Download mbox | patch
Permalink /patch/55552/
State New
Delegated to: Sakari Ailus
Headers show

Comments

Janusz Krzysztofik - April 8, 2019, 9:42 p.m.
It is not clear what pixel format is actually configured in hardware on
reset.  MEDIA_BUS_FMT_YUYV8_2X8, assumed on device probe since the
driver was intiially submitted, is for sure not the one.

Fix it by explicitly applying a known, driver default frame format just
after initial device reset.

Fixes: 2f6e2404799a ("[media] SoC Camera: add driver for OV6650 sensor")
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: stable@vger.kernel.org
---
 drivers/media/i2c/ov6650.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c
index e72210653f55..8013afea0c02 100644
--- a/drivers/media/i2c/ov6650.c
+++ b/drivers/media/i2c/ov6650.c
@@ -920,6 +920,11 @@  static int ov6650_video_probe(struct v4l2_subdev *sd)
 	ret = ov6650_reset(client);
 	if (!ret)
 		ret = ov6650_prog_dflt(client);
+	if (!ret) {
+		struct v4l2_mbus_framefmt mf = ov6650_def_fmt;
+
+		ret = ov6650_s_fmt(sd, &mf);
+	}
 	if (!ret)
 		ret = v4l2_ctrl_handler_setup(&priv->hdl);
 
@@ -1074,8 +1079,6 @@  static int ov6650_probe(struct i2c_client *client,
 	priv->rect.top	  = DEF_VSTRT << 1;
 	priv->rect.width  = W_CIF;
 	priv->rect.height = H_CIF;
-	priv->half_scale  = false;
-	priv->code	  = MEDIA_BUS_FMT_YUYV8_2X8;
 
 	priv->subdev.internal_ops = &ov6650_internal_ops;
 	priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;

Privacy Policy