[media] v4l2-dev.c: fix g_parm regression in determine_valid_ioctls()

The field current_norm does not have to be set for g_parm to be a valid
ioctl. Remove that check, but add a check whether this is a video node
instead as g_parm only makes sense for those nodes.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c
index 1500208..83dbb2d 100644 (file)
--- a/drivers/media/video/v4l2-dev.c
+++ b/drivers/media/video/v4l2-dev.c
@@ -656,7 +656,7 @@ static void determine_valid_ioctls(struct video_device *vdev)
        SET_VALID_IOCTL(ops, VIDIOC_TRY_ENCODER_CMD, vidioc_try_encoder_cmd);
        SET_VALID_IOCTL(ops, VIDIOC_DECODER_CMD, vidioc_decoder_cmd);
        SET_VALID_IOCTL(ops, VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd);
-       if (ops->vidioc_g_parm || vdev->current_norm)
+       if (ops->vidioc_g_parm || vdev->vfl_type == VFL_TYPE_GRABBER)
                set_bit(_IOC_NR(VIDIOC_G_PARM), valid_ioctls);
        SET_VALID_IOCTL(ops, VIDIOC_S_PARM, vidioc_s_parm);
        SET_VALID_IOCTL(ops, VIDIOC_G_TUNER, vidioc_g_tuner);