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[media] smiapp: provide g_skip_top_lines method in sensor ops

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Some sensors (like the one in Nokia N900) provide metadata in the first
couple of lines. Make that information information available to the
pipeline.

Use u16 instead, this is a 16-bit value.

Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Ivaylo Dimitrov 2016-04-16 05:12:20 -03:00 committed by Mauro Carvalho Chehab
parent 806f8ffa8a
commit 92021e074a
2 changed files with 13 additions and 0 deletions
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12
drivers/media/i2c/smiapp/smiapp-core.c
View File

@ -188,6 +188,8 @@ static int smiapp_read_frame_fmt(struct smiapp_sensor *sensor)
embedded_end = 0; embedded_end = 0;
} }
sensor->image_start = image_start;
dev_dbg(&client->dev, "embedded data from lines %d to %d\n", dev_dbg(&client->dev, "embedded data from lines %d to %d\n",
embedded_start, embedded_end); embedded_start, embedded_end);
dev_dbg(&client->dev, "image data starts at line %d\n", image_start); dev_dbg(&client->dev, "image data starts at line %d\n", image_start);
@ -2280,6 +2282,15 @@ static int smiapp_get_skip_frames(struct v4l2_subdev *subdev, u32 *frames)
return 0; return 0;
} }
static int smiapp_get_skip_top_lines(struct v4l2_subdev *subdev, u32 *lines)
{
struct smiapp_sensor *sensor = to_smiapp_sensor(subdev);
*lines = sensor->image_start;
return 0;
}
/* ----------------------------------------------------------------------------- /* -----------------------------------------------------------------------------
* sysfs attributes * sysfs attributes
*/ */
@ -2890,6 +2901,7 @@ static const struct v4l2_subdev_pad_ops smiapp_pad_ops = {
static const struct v4l2_subdev_sensor_ops smiapp_sensor_ops = { static const struct v4l2_subdev_sensor_ops smiapp_sensor_ops = {
.g_skip_frames = smiapp_get_skip_frames, .g_skip_frames = smiapp_get_skip_frames,
.g_skip_top_lines = smiapp_get_skip_top_lines,
}; };
static const struct v4l2_subdev_ops smiapp_ops = { static const struct v4l2_subdev_ops smiapp_ops = {

1
drivers/media/i2c/smiapp/smiapp.h
View File

@ -217,6 +217,7 @@ struct smiapp_sensor {
u8 hvflip_inv_mask; /* H/VFLIP inversion due to sensor orientation */ u8 hvflip_inv_mask; /* H/VFLIP inversion due to sensor orientation */
u8 frame_skip; u8 frame_skip;
u16 image_start; /* Offset to first line after metadata lines */
int power_count; int power_count;