50 lines
1.5 KiB
Diff
50 lines
1.5 KiB
Diff
From 7fd3f647f18b808effb3a8d514f9b49c5c9b6d9e Mon Sep 17 00:00:00 2001
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From: Daniel Scally <djrscally@gmail.com>
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Date: Wed, 2 Mar 2022 22:03:02 +0000
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Subject: [PATCH] media: entity: Add link_type_name() helper
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Now we have three types of media link, printing the right name during
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debug output is slightly more complicated. Add a helper function to
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make it easier.
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Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Signed-off-by: Daniel Scally <djrscally@gmail.com>
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---
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drivers/media/mc/mc-entity.c | 18 +++++++++++++++---
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1 file changed, 15 insertions(+), 3 deletions(-)
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--- a/drivers/media/mc/mc-entity.c
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+++ b/drivers/media/mc/mc-entity.c
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@@ -60,6 +60,20 @@ static inline const char *intf_type(stru
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}
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};
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+static inline const char *link_type_name(struct media_link *link)
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+{
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+ switch (link->flags & MEDIA_LNK_FL_LINK_TYPE) {
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+ case MEDIA_LNK_FL_DATA_LINK:
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+ return "data";
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+ case MEDIA_LNK_FL_INTERFACE_LINK:
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+ return "interface";
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+ case MEDIA_LNK_FL_ANCILLARY_LINK:
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+ return "ancillary";
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+ default:
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+ return "unknown";
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+ }
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+}
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+
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__must_check int __media_entity_enum_init(struct media_entity_enum *ent_enum,
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int idx_max)
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{
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@@ -107,9 +121,7 @@ static void dev_dbg_obj(const char *even
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dev_dbg(gobj->mdev->dev,
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"%s id %u: %s link id %u ==> id %u\n",
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- event_name, media_id(gobj),
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- media_type(link->gobj0) == MEDIA_GRAPH_PAD ?
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- "data" : "interface",
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+ event_name, media_id(gobj), link_type_name(link),
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media_id(link->gobj0),
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media_id(link->gobj1));
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break;
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