[media] s5p-mfc: add the support of V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME

There is a new control V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME to
force an encoder key frame. It is the same as requesting
V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_I_FRAME.

Signed-off-by: Wu-Cheng Li <wuchengli@chromium.org>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index 0434f02..034b5c1 100644 (file)
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -211,6 +211,14 @@ static struct mfc_control controls[] = {
                .default_value = V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_DISABLED,
                .menu_skip_mask = 0,
        },
+       {
+               .id = V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME,
+               .type = V4L2_CTRL_TYPE_BUTTON,
+               .minimum = 0,
+               .maximum = 0,
+               .step = 0,
+               .default_value = 0,
+       },
        {
                .id = V4L2_CID_MPEG_VIDEO_VBV_SIZE,
                .type = V4L2_CTRL_TYPE_INTEGER,
@@ -1423,6 +1431,10 @@ static int s5p_mfc_enc_s_ctrl(struct v4l2_ctrl *ctrl)
        case V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE:
                ctx->force_frame_type = ctrl->val;
                break;
+       case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
+               ctx->force_frame_type =
+                       V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_I_FRAME;
+               break;
        case V4L2_CID_MPEG_VIDEO_VBV_SIZE:
                p->vbv_size = ctrl->val;
                break;