On Fri Feb 7 13:24:53 2025 +0530, Vedang Nagar wrote:
> Implement the subscribe_event and unsubscribe_event iocts with the
> necessary hooks.
>
> Signed-off-by: Vedang Nagar <quic_vna...@quicinc.com>
> Reviewed-by: Hans Verkuil <hverk...@xs4all.nl>
> Tested-by: Stefan Schmidt <stefan.schm...@linaro.org> # x1e80100 (Dell XPS 13
> 9345)
> Reviewed-by: Stefan Schmidt <stefan.schm...@linaro.org>
> Tested-by: Neil Armstrong <neil.armstr...@linaro.org> # on SM8550-QRD
> Tested-by: Neil Armstrong <neil.armstr...@linaro.org> # on SM8550-HDK
> Signed-off-by: Dikshita Agarwal <quic_diksh...@quicinc.com>
> Signed-off-by: Hans Verkuil <hverk...@xs4all.nl>
Patch committed.
Thanks,
Hans Verkuil
drivers/media/platform/qcom/iris/iris_vdec.c | 22 ++++++++++++++++++++++
drivers/media/platform/qcom/iris/iris_vdec.h | 1 +
drivers/media/platform/qcom/iris/iris_vidc.c | 10 ++++++++++
3 files changed, 33 insertions(+)
---
diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c
b/drivers/media/platform/qcom/iris/iris_vdec.c
index 081a9eda5c49..0ba60bcb9fa9 100644
--- a/drivers/media/platform/qcom/iris/iris_vdec.c
+++ b/drivers/media/platform/qcom/iris/iris_vdec.c
@@ -3,6 +3,7 @@
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights
reserved.
*/
+#include <media/v4l2-event.h>
#include <media/v4l2-mem2mem.h>
#include "iris_buffer.h"
@@ -193,3 +194,24 @@ int iris_vdec_s_fmt(struct iris_inst *inst, struct
v4l2_format *f)
return 0;
}
+
+int iris_vdec_subscribe_event(struct iris_inst *inst, const struct
v4l2_event_subscription *sub)
+{
+ int ret = 0;
+
+ switch (sub->type) {
+ case V4L2_EVENT_EOS:
+ ret = v4l2_event_subscribe(&inst->fh, sub, 0, NULL);
+ break;
+ case V4L2_EVENT_SOURCE_CHANGE:
+ ret = v4l2_src_change_event_subscribe(&inst->fh, sub);
+ break;
+ case V4L2_EVENT_CTRL:
+ ret = v4l2_ctrl_subscribe_event(&inst->fh, sub);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return ret;
+}
diff --git a/drivers/media/platform/qcom/iris/iris_vdec.h
b/drivers/media/platform/qcom/iris/iris_vdec.h
index ae456676e578..f64ce3234e6a 100644
--- a/drivers/media/platform/qcom/iris/iris_vdec.h
+++ b/drivers/media/platform/qcom/iris/iris_vdec.h
@@ -13,5 +13,6 @@ void iris_vdec_inst_deinit(struct iris_inst *inst);
int iris_vdec_enum_fmt(struct iris_inst *inst, struct v4l2_fmtdesc *f);
int iris_vdec_try_fmt(struct iris_inst *inst, struct v4l2_format *f);
int iris_vdec_s_fmt(struct iris_inst *inst, struct v4l2_format *f);
+int iris_vdec_subscribe_event(struct iris_inst *inst, const struct
v4l2_event_subscription *sub);
#endif
diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c
b/drivers/media/platform/qcom/iris/iris_vidc.c
index 82bd0be8e5da..511cd13ac471 100644
--- a/drivers/media/platform/qcom/iris/iris_vidc.c
+++ b/drivers/media/platform/qcom/iris/iris_vidc.c
@@ -4,6 +4,7 @@
*/
#include <linux/pm_runtime.h>
+#include <media/v4l2-event.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-mem2mem.h>
@@ -322,6 +323,13 @@ static int iris_g_selection(struct file *filp, void *fh,
struct v4l2_selection *
return 0;
}
+static int iris_subscribe_event(struct v4l2_fh *fh, const struct
v4l2_event_subscription *sub)
+{
+ struct iris_inst *inst = container_of(fh, struct iris_inst, fh);
+
+ return iris_vdec_subscribe_event(inst, sub);
+}
+
static struct v4l2_file_operations iris_v4l2_file_ops = {
.owner = THIS_MODULE,
.open = iris_open,
@@ -347,6 +355,8 @@ static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops = {
.vidioc_enum_framesizes = iris_enum_framesizes,
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
.vidioc_g_selection = iris_g_selection,
+ .vidioc_subscribe_event = iris_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
void iris_init_ops(struct iris_core *core)
