From c4cd4c8bd72af0c159cd527ecedf6a339fba281e Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 22 Jun 2022 10:31:45 +0100 Subject: media: vb2/au0828: move the v4l_vb2q_enable_media_source to the au0828 driver With the new prepare_streaming op it is possible to move the ugly v4l_vb2q_enable_media_source() call in vb2_core_streamon to the driver. It was called incorrectly in vb2 as well: it was only called if sufficient buffers were queued at STREAMON time, but not if more buffers were queued later. This was not an issue with the au0828 driver since it never set min_buffers_needed. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/videobuf2/videobuf2-core.c | 3 --- drivers/media/usb/au0828/au0828-vbi.c | 2 ++ drivers/media/usb/au0828/au0828-video.c | 1 + 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index 17e2463c054c..2cb2a3b544a1 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -2121,9 +2121,6 @@ int vb2_core_streamon(struct vb2_queue *q, unsigned int type) * are available. */ if (q->queued_count >= q->min_buffers_needed) { - ret = v4l_vb2q_enable_media_source(q); - if (ret) - goto unprepare; ret = vb2_start_streaming(q); if (ret) goto unprepare; diff --git a/drivers/media/usb/au0828/au0828-vbi.c b/drivers/media/usb/au0828/au0828-vbi.c index 97f5e8733c2a..b0333637b747 100644 --- a/drivers/media/usb/au0828/au0828-vbi.c +++ b/drivers/media/usb/au0828/au0828-vbi.c @@ -14,6 +14,7 @@ #include #include #include +#include /* ------------------------------------------------------------------ */ @@ -70,6 +71,7 @@ const struct vb2_ops au0828_vbi_qops = { .queue_setup = vbi_queue_setup, .buf_prepare = vbi_buffer_prepare, .buf_queue = vbi_buffer_queue, + .prepare_streaming = v4l_vb2q_enable_media_source, .start_streaming = au0828_start_analog_streaming, .stop_streaming = au0828_stop_vbi_streaming, .wait_prepare = vb2_ops_wait_prepare, diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index eb303e94cceb..fd9fc43d47e0 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -915,6 +915,7 @@ static const struct vb2_ops au0828_video_qops = { .queue_setup = queue_setup, .buf_prepare = buffer_prepare, .buf_queue = buffer_queue, + .prepare_streaming = v4l_vb2q_enable_media_source, .start_streaming = au0828_start_analog_streaming, .stop_streaming = au0828_stop_streaming, .wait_prepare = vb2_ops_wait_prepare, -- cgit