f1a161b019
This patch is to extend the related interface to support the request-based operations. We use extension fields in the parameters of MEDIA_IOC_SETUP_LINK, VIDIOC_S_FMT, VIDIOC_SUBDEV_S_SELECTION, VIDIOC_SUBDEV_S_FMT as request fd. The driver uses media_request_get_by_fd() to retrieve the media request and save the pending change in it, so that we can apply the pending change in req_queue() callback then. Besides, We also add three vendor hook functions to handle related changes in v4l2-framework. Bug: 187480619 Signed-off-by: Louis Kuo <louis.kuo@mediatek.com> Change-Id: I22762136f980afaec29be70c32cca8b04e0805a0
23 lines
607 B
C
23 lines
607 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM v4l2mc
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#define TRACE_INCLUDE_PATH trace/hooks
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#if !defined(_TRACE_HOOK_V4L2MC_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_HOOK_V4L2MC_H
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#include <linux/tracepoint.h>
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#include <trace/hooks/vendor_hooks.h>
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struct media_link;
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struct media_link_desc;
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DECLARE_HOOK(android_vh_media_device_setup_link,
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TP_PROTO(struct media_link *link, struct media_link_desc *linkd, int *ret),
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TP_ARGS(link, linkd, ret));
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#endif /* _TRACE_HOOK_V4L2MC_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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