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Commit 06e17821 authored by Janusz Krzysztofik's avatar Janusz Krzysztofik Committed by Mauro Carvalho Chehab
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[media] SoC Camera: add support for g_parm / s_parm operations 



This patch adds support for g_parm / s_parm operations to the SoC Camera
framework. It is usefull for checking/setting camera frame rate.

Example usage can be found in the previous patch from this series,
"SoC Camera: add driver for OV6650 sensor".

Created and tested against linux-2.6.36-rc3 on Amstrad Delta.

Signed-off-by: default avatarJanusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 2f6e2404

drivers/media/video/soc_camera.c

+18 −0
Original line number Diff line number Diff line
@@ -1146,6 +1146,20 @@ static int default_s_crop(struct soc_camera_device *icd, struct v4l2_crop *a) 
	return v4l2_subdev_call(sd, video, s_crop, a);

}



static int default_g_parm(struct soc_camera_device *icd,

			  struct v4l2_streamparm *parm)

{

	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);

	return v4l2_subdev_call(sd, video, g_parm, parm);

}



static int default_s_parm(struct soc_camera_device *icd,

			  struct v4l2_streamparm *parm)

{

	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);

	return v4l2_subdev_call(sd, video, s_parm, parm);

}



static void soc_camera_device_init(struct device *dev, void *pdata)

{

	dev->platform_data	= pdata;
@@ -1177,6 +1191,10 @@ int soc_camera_host_register(struct soc_camera_host *ici) 
		ici->ops->get_crop = default_g_crop;

	if (!ici->ops->cropcap)

		ici->ops->cropcap = default_cropcap;

	if (!ici->ops->set_parm)

		ici->ops->set_parm = default_s_parm;

	if (!ici->ops->get_parm)

		ici->ops->get_parm = default_g_parm;



	mutex_lock(&list_lock);

	list_for_each_entry(ix, &hosts, list) {