soc-camera: add support for VIDIOC_S_PARM and VIDIOC_G_PARM ioctls

Just pass VIDIOC_S_PARM and VIDIOC_G_PARM down to host drivers. So far no
special handling in soc-camera core.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 30 insertions, 0 deletions

diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c
index b91d568f3ac5..80f6bfa2632b 100644
--- a/drivers/media/video/soc_camera.c
+++ b/drivers/media/video/soc_camera.c
@@ -781,6 +781,32 @@ static int soc_camera_s_crop(struct file *file, void *fh,
         return ret;
 }
 
+static int soc_camera_g_parm(struct file *file, void *fh,
+                             struct v4l2_streamparm *a)
+{
+        struct soc_camera_file *icf = file->private_data;
+        struct soc_camera_device *icd = icf->icd;
+        struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+
+        if (ici->ops->get_parm)
+                return ici->ops->get_parm(icd, a);
+
+        return -ENOIOCTLCMD;
+}
+
+static int soc_camera_s_parm(struct file *file, void *fh,
+                             struct v4l2_streamparm *a)
+{
+        struct soc_camera_file *icf = file->private_data;
+        struct soc_camera_device *icd = icf->icd;
+        struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+
+        if (ici->ops->set_parm)
+                return ici->ops->set_parm(icd, a);
+
+        return -ENOIOCTLCMD;
+}
+
 static int soc_camera_g_chip_ident(struct file *file, void *fh,
                                    struct v4l2_dbg_chip_ident *id)
 {
@@ -1256,6 +1282,8 @@ static const struct v4l2_ioctl_ops soc_camera_ioctl_ops = {
         .vidioc_cropcap          = soc_camera_cropcap,
         .vidioc_g_crop           = soc_camera_g_crop,
         .vidioc_s_crop           = soc_camera_s_crop,
+        .vidioc_g_parm           = soc_camera_g_parm,
+        .vidioc_s_parm           = soc_camera_s_parm,
         .vidioc_g_chip_ident     = soc_camera_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         .vidioc_g_register       = soc_camera_g_register,
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index dcc5b86bcb6c..9d69f01b6fa2 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -81,6 +81,8 @@ struct soc_camera_host_ops {
         int (*set_bus_param)(struct soc_camera_device *, __u32);
         int (*get_ctrl)(struct soc_camera_device *, struct v4l2_control *);
         int (*set_ctrl)(struct soc_camera_device *, struct v4l2_control *);
+        int (*get_parm)(struct soc_camera_device *, struct v4l2_streamparm *);
+        int (*set_parm)(struct soc_camera_device *, struct v4l2_streamparm *);
         unsigned int (*poll)(struct file *, poll_table *);
         const struct v4l2_queryctrl *controls;
         int num_controls;