linux-kernel - [PATCH V2 4/7] venus : Addition of EOS Event support for Encoder

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Date:   Mon,  8 Aug 2022 14:58:31 +0530
From:   quic_vboma@...cinc.com
To:     Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Viswanath Boma <quic_vboma@...cinc.com>,
        Vikash Garodia <vgarodia@....qualcomm.com>,
        Dikshita Agarwal <dikshita@...eaurora.org>
Subject: [PATCH V2 4/7] venus : Addition of EOS Event support for Encoder

From: Viswanath Boma <quic_vboma@...cinc.com>

V4l2 encoder compliance expecting End of stream Event registration
support for Encoder.

Acked-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
Signed-off-by: Viswanath Boma <quic_vboma@...cinc.com>
Signed-off-by: Vikash Garodia <vgarodia@....qualcomm.com>
Signed-off-by: Dikshita Agarwal <dikshita@...eaurora.org>
---
 drivers/media/platform/qcom/venus/venc.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index b56960d7f6c89..17312d316f93d 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/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 int
 venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd)
 {
@@ -572,7 +585,7 @@ 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,
 	.vidioc_encoder_cmd = venc_encoder_cmd,
 };
-- 
2.17.1