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From: Janusz Krzysztofik <jmkrzyszt@gmail.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	Janusz Krzysztofik <jmkrzyszt@gmail.com>,
	stable@vger.kernel.org
Subject: [PATCH v2 7/9] media: ov6650: Fix default format not applied on device probe
Date: Tue, 21 May 2019 00:50:05 +0200
Message-ID: <20190520225007.2308-8-jmkrzyszt@gmail.com> (raw)
In-Reply-To: <20190520225007.2308-1-jmkrzyszt@gmail.com>

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(-)

diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c
index 1915a43bff87..b199332f62d7 100644
--- a/drivers/media/i2c/ov6650.c
+++ b/drivers/media/i2c/ov6650.c
@@ -876,6 +876,11 @@ 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);
 
@@ -1030,8 +1035,6 @@ 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;
-- 
2.21.0


  parent reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-20 22:49 [PATCH v2 0/9] media: ov6650: A collection of fixes Janusz Krzysztofik
2019-05-20 22:49 ` [PATCH v2 1/9] media: ov6650: Fix MODDULE_DESCRIPTION Janusz Krzysztofik
2019-05-21  5:15   ` Greg KH
2019-05-21 17:55     ` Janusz Krzysztofik
2019-05-20 22:50 ` [PATCH v2 2/9] media: ov6650: Fix control handler not freed on init error Janusz Krzysztofik
2019-05-20 22:50 ` [PATCH v2 3/9] media: ov6650: Fix crop rectangle alignment not passed back Janusz Krzysztofik
2019-05-20 22:50 ` [PATCH v2 4/9] media: ov6650: Fix incorrect use of JPEG colorspace Janusz Krzysztofik
2019-05-20 22:50 ` [PATCH v2 5/9] media: ov6650: Fix some format attributes not under control Janusz Krzysztofik
2019-05-20 22:50 ` [PATCH v2 6/9] media: ov6650: Fix .get_fmt() V4L2_SUBDEV_FORMAT_TRY support Janusz Krzysztofik
2019-05-20 22:50 ` Janusz Krzysztofik [this message]
2019-05-20 22:50 ` [PATCH v2 8/9] media: ov6650: Fix stored frame format not in sync with hardware Janusz Krzysztofik
2019-05-20 22:50 ` [PATCH v2 9/9] media: ov6650: Fix stored crop rectangle " Janusz Krzysztofik

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