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Commit 6cf1056f authored by Sylwester Nawrocki's avatar Sylwester Nawrocki Committed by Mauro Carvalho Chehab
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[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: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 87eaec5d

drivers/media/video/s5p-fimc/mipi-csis.c

+22 −0
Original line number Diff line number Diff line
@@ -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,

drivers/media/video/s5p-fimc/mipi-csis.h

+3 −0
Original line number Diff line number Diff line
@@ -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