diff options
Diffstat (limited to 'drivers/media/video/sh_mobile_ceu_camera.c')
| -rw-r--r-- | drivers/media/video/sh_mobile_ceu_camera.c | 15 |
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 fa88d382d5b..2407607f2ef 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, |