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-rw-r--r--drivers/media/video/sh_mobile_ceu_camera.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index fa88d382d5b5..2407607f2eff 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -165,6 +165,7 @@ static void sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev)
ceu_write(pcdev, CETCR, 0x0317f313 ^ 0x10);
if (pcdev->active) {
+ pcdev->active->state = VIDEOBUF_ACTIVE;
ceu_write(pcdev, CDAYR, videobuf_to_dma_contig(pcdev->active));
ceu_write(pcdev, CAPSR, 0x1); /* start capture */
}
@@ -236,7 +237,7 @@ static void sh_mobile_ceu_videobuf_queue(struct videobuf_queue *vq,
dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
vb, vb->baddr, vb->bsize);
- vb->state = VIDEOBUF_ACTIVE;
+ vb->state = VIDEOBUF_QUEUED;
spin_lock_irqsave(&pcdev->lock, flags);
list_add_tail(&vb->queue, &pcdev->capture);
@@ -323,12 +324,24 @@ static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct sh_mobile_ceu_dev *pcdev = ici->priv;
+ unsigned long flags;
BUG_ON(icd != pcdev->icd);
/* disable capture, disable interrupts */
ceu_write(pcdev, CEIER, 0);
ceu_write(pcdev, CAPSR, 1 << 16); /* reset */
+
+ /* make sure active buffer is canceled */
+ spin_lock_irqsave(&pcdev->lock, flags);
+ if (pcdev->active) {
+ list_del(&pcdev->active->queue);
+ pcdev->active->state = VIDEOBUF_ERROR;
+ wake_up_all(&pcdev->active->done);
+ pcdev->active = NULL;
+ }
+ spin_unlock_irqrestore(&pcdev->lock, flags);
+
icd->ops->release(icd);
dev_info(&icd->dev,
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