linux-kernel - [PATCH v3 1/9] media: vimc: Move get_source

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Message-Id: <20200819180442.11630-2-kgupta@es.iitr.ac.in>
Date:   Wed, 19 Aug 2020 23:34:34 +0530
From:   Kaaira Gupta <kgupta@...iitr.ac.in>
To:     Helen Koike <helen.koike@...labora.com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kieran Bingham <kieran.bingham@...asonboard.com>
Cc:     Kaaira Gupta <kgupta@...iitr.ac.in>
Subject: [PATCH v3 1/9] media: vimc: Move get_source_entity to vimc-common

Move the function vimc_get_source_entity() to vimc-common.c to make it
reusable.

Signed-off-by: Kaaira Gupta <kgupta@...iitr.ac.in>
---
 drivers/media/test-drivers/vimc/vimc-common.c | 14 +++++++++++
 drivers/media/test-drivers/vimc/vimc-common.h | 12 ++++++++++
 .../media/test-drivers/vimc/vimc-streamer.c   | 24 -------------------
 3 files changed, 26 insertions(+), 24 deletions(-)

diff --git a/drivers/media/test-drivers/vimc/vimc-common.c b/drivers/media/test-drivers/vimc/vimc-common.c
index 0d97b25ce21e..91c8992bb391 100644
--- a/drivers/media/test-drivers/vimc/vimc-common.c
+++ b/drivers/media/test-drivers/vimc/vimc-common.c
@@ -417,3 +417,17 @@ int vimc_ent_sd_register(struct vimc_ent_device *ved,
 	media_entity_cleanup(&sd->entity);
 	return ret;
 }
+
+struct media_entity *vimc_get_source_entity(struct media_entity *ent)
+{
+	struct media_pad *pad;
+	int i;
+
+	for (i = 0; i < ent->num_pads; i++) {
+		if (ent->pads[i].flags & MEDIA_PAD_FL_SOURCE)
+			continue;
+		pad = media_entity_remote_pad(&ent->pads[i]);
+		return pad ? pad->entity : NULL;
+	}
+	return NULL;
+}
diff --git a/drivers/media/test-drivers/vimc/vimc-common.h b/drivers/media/test-drivers/vimc/vimc-common.h
index a289434e75ba..4c580d854007 100644
--- a/drivers/media/test-drivers/vimc/vimc-common.h
+++ b/drivers/media/test-drivers/vimc/vimc-common.h
@@ -230,4 +230,16 @@ int vimc_ent_sd_register(struct vimc_ent_device *ved,
  */
 int vimc_vdev_link_validate(struct media_link *link);
 
+/**
+ * vimc_get_source_entity - get the entity connected with the first sink pad
+ *
+ * @ent:	reference media_entity
+ *
+ * Helper function that returns the media entity containing the source pad
+ * linked with the first sink pad from the given media entity pad list.
+ *
+ * Return: The source pad or NULL, if it wasn't found.
+ */
+struct media_entity *vimc_get_source_entity(struct media_entity *ent);
+
 #endif
diff --git a/drivers/media/test-drivers/vimc/vimc-streamer.c b/drivers/media/test-drivers/vimc/vimc-streamer.c
index 451a32c0d034..4f8384246042 100644
--- a/drivers/media/test-drivers/vimc/vimc-streamer.c
+++ b/drivers/media/test-drivers/vimc/vimc-streamer.c
@@ -12,30 +12,6 @@
 
 #include "vimc-streamer.h"
 
-/**
- * vimc_get_source_entity - get the entity connected with the first sink pad
- *
- * @ent:	reference media_entity
- *
- * Helper function that returns the media entity containing the source pad
- * linked with the first sink pad from the given media entity pad list.
- *
- * Return: The source pad or NULL, if it wasn't found.
- */
-static struct media_entity *vimc_get_source_entity(struct media_entity *ent)
-{
-	struct media_pad *pad;
-	int i;
-
-	for (i = 0; i < ent->num_pads; i++) {
-		if (ent->pads[i].flags & MEDIA_PAD_FL_SOURCE)
-			continue;
-		pad = media_entity_remote_pad(&ent->pads[i]);
-		return pad ? pad->entity : NULL;
-	}
-	return NULL;
-}
-
 /**
  * vimc_streamer_pipeline_terminate - Disable stream in all ved in stream
  *
-- 
2.17.1