diff options
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/microchip/microchip-isc-base.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/media/platform/microchip/microchip-isc-base.c b/drivers/media/platform/microchip/microchip-isc-base.c index 28749a09b0c3..e2994d48f10c 100644 --- a/drivers/media/platform/microchip/microchip-isc-base.c +++ b/drivers/media/platform/microchip/microchip-isc-base.c @@ -328,6 +328,13 @@ static int isc_configure(struct isc_device *isc) return isc_update_profile(isc); } +static int isc_prepare_streaming(struct vb2_queue *vq) +{ + struct isc_device *isc = vb2_get_drv_priv(vq); + + return media_pipeline_start(isc->video_dev.entity.pads, &isc->mpipe); +} + static int isc_start_streaming(struct vb2_queue *vq, unsigned int count) { struct isc_device *isc = vb2_get_drv_priv(vq); @@ -336,10 +343,6 @@ static int isc_start_streaming(struct vb2_queue *vq, unsigned int count) unsigned long flags; int ret; - ret = media_pipeline_start(isc->video_dev.entity.pads, &isc->mpipe); - if (ret) - goto err_pipeline_start; - /* Enable stream on the sub device */ ret = v4l2_subdev_call(isc->current_subdev->sd, video, s_stream, 1); if (ret && ret != -ENOIOCTLCMD) { @@ -389,9 +392,6 @@ err_pm_get: v4l2_subdev_call(isc->current_subdev->sd, video, s_stream, 0); err_start_stream: - media_pipeline_stop(isc->video_dev.entity.pads); - -err_pipeline_start: spin_lock_irqsave(&isc->dma_queue_lock, flags); list_for_each_entry(buf, &isc->dma_queue, list) vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); @@ -401,6 +401,14 @@ err_pipeline_start: return ret; } +static void isc_unprepare_streaming(struct vb2_queue *vq) +{ + struct isc_device *isc = vb2_get_drv_priv(vq); + + /* Stop media pipeline */ + media_pipeline_stop(isc->video_dev.entity.pads); +} + static void isc_stop_streaming(struct vb2_queue *vq) { struct isc_device *isc = vb2_get_drv_priv(vq); @@ -430,9 +438,6 @@ static void isc_stop_streaming(struct vb2_queue *vq) if (ret && ret != -ENOIOCTLCMD) v4l2_err(&isc->v4l2_dev, "stream off failed in subdev\n"); - /* Stop media pipeline */ - media_pipeline_stop(isc->video_dev.entity.pads); - /* Release all active buffers */ spin_lock_irqsave(&isc->dma_queue_lock, flags); if (unlikely(isc->cur_frm)) { @@ -472,6 +477,8 @@ static const struct vb2_ops isc_vb2_ops = { .start_streaming = isc_start_streaming, .stop_streaming = isc_stop_streaming, .buf_queue = isc_buffer_queue, + .prepare_streaming = isc_prepare_streaming, + .unprepare_streaming = isc_unprepare_streaming, }; static int isc_querycap(struct file *file, void *priv, |