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authorSylwester Nawrocki <s.nawrocki@samsung.com>2011-11-15 15:34:06 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-12-30 14:39:54 -0200
commit6cf1056f0a7ecb543d4b523f6c55a5587fc455f2 (patch)
tree9085aca1e9a3283520165a5178fa57bd7663ff43 /drivers/media/video/s5p-fimc
parent87eaec5dff4e20228fb6ac72dc849fd12f4e86be (diff)
[media] s5p-csis: Enable v4l subdev device node
Set v4l2_subdev flags for a host driver to create a sub-device node for the driver so the subdev can be directly configured by applications. Add the subdev open() handler. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/s5p-fimc')
-rw-r--r--drivers/media/video/s5p-fimc/mipi-csis.c22
-rw-r--r--drivers/media/video/s5p-fimc/mipi-csis.h3
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/media/video/s5p-fimc/mipi-csis.c b/drivers/media/video/s5p-fimc/mipi-csis.c
index 59d79bc2f58..130335cf62f 100644
--- a/drivers/media/video/s5p-fimc/mipi-csis.c
+++ b/drivers/media/video/s5p-fimc/mipi-csis.c
@@ -427,6 +427,23 @@ static int s5pcsis_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
return 0;
}
+static int s5pcsis_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+ struct v4l2_mbus_framefmt *format = v4l2_subdev_get_try_format(fh, 0);
+
+ format->colorspace = V4L2_COLORSPACE_JPEG;
+ format->code = s5pcsis_formats[0].code;
+ format->width = S5PCSIS_DEF_PIX_WIDTH;
+ format->height = S5PCSIS_DEF_PIX_HEIGHT;
+ format->field = V4L2_FIELD_NONE;
+
+ return 0;
+}
+
+static const struct v4l2_subdev_internal_ops s5pcsis_sd_internal_ops = {
+ .open = s5pcsis_open,
+};
+
static struct v4l2_subdev_core_ops s5pcsis_core_ops = {
.s_power = s5pcsis_s_power,
};
@@ -544,8 +561,13 @@ static int __devinit s5pcsis_probe(struct platform_device *pdev)
v4l2_subdev_init(&state->sd, &s5pcsis_subdev_ops);
state->sd.owner = THIS_MODULE;
strlcpy(state->sd.name, dev_name(&pdev->dev), sizeof(state->sd.name));
+ state->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
state->csis_fmt = &s5pcsis_formats[0];
+ state->format.code = s5pcsis_formats[0].code;
+ state->format.width = S5PCSIS_DEF_PIX_WIDTH;
+ state->format.height = S5PCSIS_DEF_PIX_HEIGHT;
+
state->pads[CSIS_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
state->pads[CSIS_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_init(&state->sd.entity,
diff --git a/drivers/media/video/s5p-fimc/mipi-csis.h b/drivers/media/video/s5p-fimc/mipi-csis.h
index f5691336dd5..2709286396e 100644
--- a/drivers/media/video/s5p-fimc/mipi-csis.h
+++ b/drivers/media/video/s5p-fimc/mipi-csis.h
@@ -19,4 +19,7 @@
#define CSIS_PAD_SOURCE 1
#define CSIS_PADS_NUM 2
+#define S5PCSIS_DEF_PIX_WIDTH 640
+#define S5PCSIS_DEF_PIX_HEIGHT 480
+
#endif