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media: iris: implement subscribe_event and unsubscribe_event ioctls

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Implement the subscribe_event and unsubscribe_event iocts with the
necessary hooks.

Signed-off-by: Vedang Nagar <quic_vnagar@quicinc.com>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345)
Reviewed-by: Stefan Schmidt <stefan.schmidt@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Vedang Nagar 2025-02-07 13:24:53 +05:30 committed by Hans Verkuil
parent fb1417ed72
commit 5c1418b8e9
3 changed files with 33 additions and 0 deletions
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22
drivers/media/platform/qcom/iris/iris_vdec.c
View File

@ -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;
}

1
drivers/media/platform/qcom/iris/iris_vdec.h
View File

@ -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

10
drivers/media/platform/qcom/iris/iris_vidc.c
View File

@ -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)