[media] v4l: omap4iss: Implement VIDIOC_S_INPUT

The ioctl is (at least currently) mandatory.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c
index 68006231cc41..766491e6a8d0 100644
--- a/drivers/staging/media/omap4iss/iss_video.c
+++ b/drivers/staging/media/omap4iss/iss_video.c
@@ -902,6 +902,12 @@ iss_video_g_input(struct file *file, void *fh, unsigned int *input)
         return 0;
 }
 
+static int
+iss_video_s_input(struct file *file, void *fh, unsigned int input)
+{
+        return input == 0 ? 0 : -EINVAL;
+}
+
 static const struct v4l2_ioctl_ops iss_video_ioctl_ops = {
         .vidioc_querycap                = iss_video_querycap,
         .vidioc_g_fmt_vid_cap           = iss_video_get_format,
@@ -923,6 +929,7 @@ static const struct v4l2_ioctl_ops iss_video_ioctl_ops = {
         .vidioc_streamoff               = iss_video_streamoff,
         .vidioc_enum_input              = iss_video_enum_input,
         .vidioc_g_input                 = iss_video_g_input,
+        .vidioc_s_input                 = iss_video_s_input,
 };
 
 /* -----------------------------------------------------------------------------