Add a new v4l_vb2q_enable_media_tuner() wrapper function
to be called from v4l2-core to enable the media tuner with
videobuf2 queue, when the calling frunction has the videobuf2
queue and doesn't have the struct video_device associated with
the queue handy as in the case of vb2_core_streamon(). This
function simply calls v4l_enable_media_tuner() passing in the
pointer to struct video_device.
Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
---
drivers/media/v4l2-core/v4l2-dev.c | 21 +++++++++++++++++++++
include/media/v4l2-dev.h | 1 +
2 files changed, 22 insertions(+)
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index f06da6e..9ef675a 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -30,6 +30,7 @@
#include <media/v4l2-common.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
+#include <media/videobuf2-core.h>
#define VIDEO_NUM_DEVICES 256
#define VIDEO_NAME "video4linux"
@@ -261,6 +262,26 @@ void v4l_disable_media_tuner(struct video_device *vdev)
}
EXPORT_SYMBOL_GPL(v4l_disable_media_tuner);
+/**
+ * v4l_vb2q_enable_media_tuner - Wrapper for v4l_enable_media_tuner()
+ * @q: videobuf2 queue
+ *
+ * This function is intended to be called from v4l2-core
+ * to enable the media tuner with videobuf2 queue, when
+ * the calling frunction has the videobuf2 queue and doesn't
+ * have the struct video_device associated with the
+ * queue handy as in the case of vb2_core_streamon(). This
+ * function simply calls v4l_enable_media_tuner() passing
+ * in the pointer to struct video_device.
+ */
+int v4l_vb2q_enable_media_tuner(struct vb2_queue *q)
+{
+ struct v4l2_fh *fh = q->owner;
+
+ return v4l_enable_media_tuner(fh->vdev);
+}
+EXPORT_SYMBOL_GPL(v4l_vb2q_enable_media_tuner);
+
/* Priority handling */
static inline bool prio_is_valid(enum v4l2_priority prio)
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 68999a3..1948097 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -179,6 +179,7 @@ struct video_device * __must_check video_device_alloc(void);
int v4l_enable_media_tuner(struct video_device *vdev);
void v4l_disable_media_tuner(struct video_device *vdev);
+int v4l_vb2q_enable_media_tuner(struct vb2_queue *q);
/* this release function frees the vdev pointer */
void video_device_release(struct video_device *vdev);
--
2.5.0
--
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