media: venus : Addition of EOS Event support for Encoder

V4l2 encoder compliance expecting End of stream Event registration
support for Encoder.
Signed-off-by: Viswanath Boma <quic_vboma@quicinc.com>
Signed-off-by: Vikash Garodia <vgarodia@qti.qualcomm.com>
Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/qcom/venus/venc.c

@@ -507,6 +507,19 @@ static int venc_enum_frameintervals(struct file *file, void *fh,
 	return 0;
 }
 
+static int venc_subscribe_event(struct v4l2_fh *fh,
+				const struct v4l2_event_subscription *sub)
+{
+	switch (sub->type) {
+	case V4L2_EVENT_EOS:
+		return v4l2_event_subscribe(fh, sub, 2, NULL);
+	case V4L2_EVENT_CTRL:
+		return v4l2_ctrl_subscribe_event(fh, sub);
+	default:
+		return -EINVAL;
+	}
+}
+
 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
 	.vidioc_querycap = venc_querycap,
 	.vidioc_enum_fmt_vid_cap = venc_enum_fmt,
@@ -532,7 +545,7 @@ static const struct v4l2_ioctl_ops venc_ioctl_ops = {
 	.vidioc_g_parm = venc_g_parm,
 	.vidioc_enum_framesizes = venc_enum_framesizes,
 	.vidioc_enum_frameintervals = venc_enum_frameintervals,
-	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+	.vidioc_subscribe_event = venc_subscribe_event,
 	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
 };