diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/fsl-viu.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/drivers/media/video/fsl-viu.c b/drivers/media/video/fsl-viu.c index 575f39b3c67..ab0e09d391f 100644 --- a/drivers/media/video/fsl-viu.c +++ b/drivers/media/video/fsl-viu.c @@ -766,7 +766,7 @@ inline void viu_activate_overlay(struct viu_reg *viu_reg) out_be32(&vr->picture_count, reg_val.picture_count); } -static int viu_start_preview(struct viu_dev *dev, struct viu_fh *fh) +static int viu_setup_preview(struct viu_dev *dev, struct viu_fh *fh) { int bpp; @@ -805,11 +805,6 @@ static int viu_start_preview(struct viu_dev *dev, struct viu_fh *fh) /* setup the base address of the overlay buffer */ reg_val.field_base_addr = (u32)dev->ovbuf.base; - dev->ovenable = 1; - viu_activate_overlay(dev->vr); - - /* start dma */ - viu_start_dma(dev); return 0; } @@ -828,7 +823,7 @@ static int vidioc_s_fmt_overlay(struct file *file, void *priv, fh->win = f->fmt.win; spin_lock_irqsave(&dev->slock, flags); - viu_start_preview(dev, fh); + viu_setup_preview(dev, fh); spin_unlock_irqrestore(&dev->slock, flags); return 0; } @@ -839,6 +834,28 @@ static int vidioc_try_fmt_overlay(struct file *file, void *priv, return 0; } +static int vidioc_overlay(struct file *file, void *priv, unsigned int on) +{ + struct viu_fh *fh = priv; + struct viu_dev *dev = (struct viu_dev *)fh->dev; + unsigned long flags; + + if (on) { + spin_lock_irqsave(&dev->slock, flags); + viu_activate_overlay(dev->vr); + dev->ovenable = 1; + + /* start dma */ + viu_start_dma(dev); + spin_unlock_irqrestore(&dev->slock, flags); + } else { + viu_stop_dma(dev); + dev->ovenable = 0; + } + + return 0; +} + int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg) { struct viu_fh *fh = priv; @@ -1414,6 +1431,7 @@ static const struct v4l2_ioctl_ops viu_ioctl_ops = { .vidioc_g_fmt_vid_overlay = vidioc_g_fmt_overlay, .vidioc_try_fmt_vid_overlay = vidioc_try_fmt_overlay, .vidioc_s_fmt_vid_overlay = vidioc_s_fmt_overlay, + .vidioc_overlay = vidioc_overlay, .vidioc_g_fbuf = vidioc_g_fbuf, .vidioc_s_fbuf = vidioc_s_fbuf, .vidioc_reqbufs = vidioc_reqbufs, |