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Commit db7b5460 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB: tvp7002: add support for enum/try/g/s_mbus_fmt 



Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 83811913

drivers/media/video/tvp7002.c

+54 −0
Original line number Original line Diff line number Diff line
@@ -694,6 +694,37 @@ static int tvp7002_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) 
	}

	}

}

}





/*

 * tvp7002_mbus_fmt() - V4L2 decoder interface handler for try/s/g_mbus_fmt

 * @sd: pointer to standard V4L2 sub-device structure

 * @f: pointer to mediabus format structure

 *

 * Negotiate the image capture size and mediabus format.

 * There is only one possible format, so this single function works for

 * get, set and try.

 */

static int tvp7002_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f)

{

	struct tvp7002 *device = to_tvp7002(sd);

	struct v4l2_dv_enum_preset e_preset;

	int error;



	/* Calculate height and width based on current standard */

	error = v4l_fill_dv_preset_info(device->current_preset->preset, &e_preset);

	if (error)

		return error;



	f->width = e_preset.width;

	f->height = e_preset.height;

	f->code = V4L2_MBUS_FMT_YUYV10_1X20;

	f->field = device->current_preset->scanmode;

	f->colorspace = device->current_preset->color_space;



	v4l2_dbg(1, debug, sd, "MBUS_FMT: Width - %d, Height - %d",

			f->width, f->height);

	return 0;

}



/*

/*

 * tvp7002_try_fmt_cap() - V4L2 decoder interface handler for try_fmt

 * tvp7002_try_fmt_cap() - V4L2 decoder interface handler for try_fmt

 * @sd: pointer to standard V4L2 sub-device structure

 * @sd: pointer to standard V4L2 sub-device structure
@@ -912,6 +943,25 @@ static int tvp7002_enum_fmt(struct v4l2_subdev *sd, 
	return 0;

	return 0;

}

}





/*

 * tvp7002_enum_mbus_fmt() - Enum supported mediabus formats

 * @sd: pointer to standard V4L2 sub-device structure

 * @index: format index

 * @code: pointer to mediabus format

 *

 * Enumerate supported mediabus formats.

 */



static int tvp7002_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,

					enum v4l2_mbus_pixelcode *code)

{

	/* Check requested format index is within range */

	if (index)

		return -EINVAL;

	*code = V4L2_MBUS_FMT_YUYV10_1X20;

	return 0;

}



/*

/*

 * tvp7002_s_stream() - V4L2 decoder i/f handler for s_stream

 * tvp7002_s_stream() - V4L2 decoder i/f handler for s_stream

 * @sd: pointer to standard V4L2 sub-device structure

 * @sd: pointer to standard V4L2 sub-device structure
@@ -1030,6 +1080,10 @@ static const struct v4l2_subdev_video_ops tvp7002_video_ops = { 
	.g_fmt = tvp7002_g_fmt,

	.g_fmt = tvp7002_g_fmt,

	.s_fmt = tvp7002_s_fmt,

	.s_fmt = tvp7002_s_fmt,

	.enum_fmt = tvp7002_enum_fmt,

	.enum_fmt = tvp7002_enum_fmt,

	.g_mbus_fmt = tvp7002_mbus_fmt,

	.try_mbus_fmt = tvp7002_mbus_fmt,

	.s_mbus_fmt = tvp7002_mbus_fmt,

	.enum_mbus_fmt = tvp7002_enum_mbus_fmt,

};

};





/* V4L2 top level operation handlers */

/* V4L2 top level operation handlers */