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Subject: media: ov2680: Add ov2680_fill_format() helper function
Author: Hans de Goede <hdego...@redhat.com>
Date: Thu Aug 3 11:33:21 2023 +0200
Add a ov2680_fill_format() helper function and use this everywhere were
a v4l2_mbus_framefmt struct needs to be filled in so that the driver always
fills it consistently.
This is a preparation patch for fixing ov2680_set_fmt()
which == V4L2_SUBDEV_FORMAT_TRY calls not properly filling in
the passed in v4l2_mbus_framefmt struct.
Note that for ov2680_init_cfg() this now simply always fills
the try_fmt struct of the passed in sd_state. This is correct because
ov2680_init_cfg() is never called with a NULL sd_state so the old
sd_state check is not necessary.
Fixes: 3ee47cad3e69 ("media: ov2680: Add Omnivision OV2680 sensor driver")
Acked-by: Rui Miguel Silva <rmf...@gmail.com>
Reviewed-by: Daniel Scally <dan.sca...@ideasonboard.com>
Signed-off-by: Hans de Goede <hdego...@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mche...@kernel.org>
drivers/media/i2c/ov2680.c | 49 +++++++++++++++++++++++++---------------------
1 file changed, 27 insertions(+), 22 deletions(-)
---
diff --git a/drivers/media/i2c/ov2680.c b/drivers/media/i2c/ov2680.c
index e6e14743ba1e..f2eb8d85a7e4 100644
--- a/drivers/media/i2c/ov2680.c
+++ b/drivers/media/i2c/ov2680.c
@@ -54,6 +54,9 @@
#define OV2680_WIDTH_MAX 1600
#define OV2680_HEIGHT_MAX 1200
+#define OV2680_DEFAULT_WIDTH 800
+#define OV2680_DEFAULT_HEIGHT 600
+
enum ov2680_mode_id {
OV2680_MODE_QUXGA_800_600,
OV2680_MODE_720P_1280_720,
@@ -315,7 +318,8 @@ static void ov2680_power_down(struct ov2680_dev *sensor)
usleep_range(5000, 10000);
}
-static void ov2680_set_bayer_order(struct ov2680_dev *sensor)
+static void ov2680_set_bayer_order(struct ov2680_dev *sensor,
+ struct v4l2_mbus_framefmt *fmt)
{
int hv_flip = 0;
@@ -325,7 +329,19 @@ static void ov2680_set_bayer_order(struct ov2680_dev
*sensor)
if (sensor->ctrls.hflip && sensor->ctrls.hflip->val)
hv_flip += 2;
- sensor->fmt.code = ov2680_hv_flip_bayer_order[hv_flip];
+ fmt->code = ov2680_hv_flip_bayer_order[hv_flip];
+}
+
+static void ov2680_fill_format(struct ov2680_dev *sensor,
+ struct v4l2_mbus_framefmt *fmt,
+ unsigned int width, unsigned int height)
+{
+ memset(fmt, 0, sizeof(*fmt));
+ fmt->width = width;
+ fmt->height = height;
+ fmt->field = V4L2_FIELD_NONE;
+ fmt->colorspace = V4L2_COLORSPACE_SRGB;
+ ov2680_set_bayer_order(sensor, fmt);
}
static int ov2680_set_vflip(struct ov2680_dev *sensor, s32 val)
@@ -340,7 +356,7 @@ static int ov2680_set_vflip(struct ov2680_dev *sensor, s32
val)
if (ret < 0)
return ret;
- ov2680_set_bayer_order(sensor);
+ ov2680_set_bayer_order(sensor, &sensor->fmt);
return 0;
}
@@ -356,7 +372,7 @@ static int ov2680_set_hflip(struct ov2680_dev *sensor, s32
val)
if (ret < 0)
return ret;
- ov2680_set_bayer_order(sensor);
+ ov2680_set_bayer_order(sensor, &sensor->fmt);
return 0;
}
@@ -614,10 +630,7 @@ static int ov2680_set_fmt(struct v4l2_subdev *sd,
goto unlock;
}
- fmt->width = mode->width;
- fmt->height = mode->height;
- fmt->code = sensor->fmt.code;
- fmt->colorspace = sensor->fmt.colorspace;
+ ov2680_fill_format(sensor, fmt, mode->width, mode->height);
sensor->current_mode = mode;
sensor->fmt = format->format;
@@ -632,16 +645,11 @@ unlock:
static int ov2680_init_cfg(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state)
{
- struct v4l2_subdev_format fmt = {
- .which = sd_state ? V4L2_SUBDEV_FORMAT_TRY
- : V4L2_SUBDEV_FORMAT_ACTIVE,
- .format = {
- .width = 800,
- .height = 600,
- }
- };
+ struct ov2680_dev *sensor = to_ov2680_dev(sd);
- return ov2680_set_fmt(sd, sd_state, &fmt);
+ ov2680_fill_format(sensor, &sd_state->pads[0].try_fmt,
+ OV2680_DEFAULT_WIDTH, OV2680_DEFAULT_HEIGHT);
+ return 0;
}
static int ov2680_enum_frame_size(struct v4l2_subdev *sd,
@@ -740,11 +748,8 @@ static int ov2680_mode_init(struct ov2680_dev *sensor)
const struct ov2680_mode_info *init_mode;
/* set initial mode */
- sensor->fmt.code = MEDIA_BUS_FMT_SBGGR10_1X10;
- sensor->fmt.width = 800;
- sensor->fmt.height = 600;
- sensor->fmt.field = V4L2_FIELD_NONE;
- sensor->fmt.colorspace = V4L2_COLORSPACE_SRGB;
+ ov2680_fill_format(sensor, &sensor->fmt,
+ OV2680_DEFAULT_WIDTH, OV2680_DEFAULT_HEIGHT);
sensor->frame_interval.denominator = OV2680_FRAME_RATE;
sensor->frame_interval.numerator = 1;
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