diff options
Diffstat (limited to 'drivers/media/video/soc_camera.c')
| -rw-r--r-- | drivers/media/video/soc_camera.c | 74 |
1 files changed, 43 insertions, 31 deletions
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index 17601750105..d5613cdd93a 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -98,8 +98,7 @@ static int soc_camera_try_fmt_vid_cap(struct file *file, void *priv, { struct soc_camera_file *icf = file->private_data; struct soc_camera_device *icd = icf->icd; - struct soc_camera_host *ici = - to_soc_camera_host(icd->dev.parent); + struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); enum v4l2_field field; int ret; @@ -163,8 +162,7 @@ static int soc_camera_reqbufs(struct file *file, void *priv, int ret; struct soc_camera_file *icf = file->private_data; struct soc_camera_device *icd = icf->icd; - struct soc_camera_host *ici = - to_soc_camera_host(icd->dev.parent); + struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); WARN_ON(priv != file->private_data); @@ -388,8 +386,7 @@ static unsigned int soc_camera_poll(struct file *file, poll_table *pt) { struct soc_camera_file *icf = file->private_data; struct soc_camera_device *icd = icf->icd; - struct soc_camera_host *ici = - to_soc_camera_host(icd->dev.parent); + struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); if (list_empty(&icf->vb_vidq.stream)) { dev_err(&icd->dev, "Trying to poll with no queued buffers!\n"); @@ -415,9 +412,9 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv, { struct soc_camera_file *icf = file->private_data; struct soc_camera_device *icd = icf->icd; - struct soc_camera_host *ici = - to_soc_camera_host(icd->dev.parent); - __u32 pixfmt = f->fmt.pix.pixelformat; + struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); + struct v4l2_pix_format *pix = &f->fmt.pix; + __u32 pixfmt = pix->pixelformat; int ret; struct v4l2_rect rect; @@ -429,9 +426,9 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv, rect.left = icd->x_current; rect.top = icd->y_current; - rect.width = f->fmt.pix.width; - rect.height = f->fmt.pix.height; - ret = ici->ops->set_fmt(icd, f->fmt.pix.pixelformat, &rect); + rect.width = pix->width; + rect.height = pix->height; + ret = ici->ops->set_fmt(icd, pix->pixelformat, &rect); if (ret < 0) { return ret; } else if (!icd->current_fmt || @@ -443,7 +440,7 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv, icd->width = rect.width; icd->height = rect.height; - icf->vb_vidq.field = f->fmt.pix.field; + icf->vb_vidq.field = pix->field; if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) dev_warn(&icd->dev, "Attention! Wrong buf-type %d\n", f->type); @@ -479,16 +476,17 @@ static int soc_camera_g_fmt_vid_cap(struct file *file, void *priv, { struct soc_camera_file *icf = file->private_data; struct soc_camera_device *icd = icf->icd; + struct v4l2_pix_format *pix = &f->fmt.pix; WARN_ON(priv != file->private_data); - f->fmt.pix.width = icd->width; - f->fmt.pix.height = icd->height; - f->fmt.pix.field = icf->vb_vidq.field; - f->fmt.pix.pixelformat = icd->current_fmt->fourcc; - f->fmt.pix.bytesperline = f->fmt.pix.width * + pix->width = icd->width; + pix->height = icd->height; + pix->field = icf->vb_vidq.field; + pix->pixelformat = icd->current_fmt->fourcc; + pix->bytesperline = pix->width * DIV_ROUND_UP(icd->current_fmt->depth, 8); - f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; + pix->sizeimage = pix->height * pix->bytesperline; dev_dbg(&icd->dev, "current_fmt->fourcc: 0x%08x\n", icd->current_fmt->fourcc); return 0; @@ -499,8 +497,7 @@ static int soc_camera_querycap(struct file *file, void *priv, { struct soc_camera_file *icf = file->private_data; struct soc_camera_device *icd = icf->icd; - struct soc_camera_host *ici = - to_soc_camera_host(icd->dev.parent); + struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); WARN_ON(priv != file->private_data); @@ -651,8 +648,7 @@ static int soc_camera_s_crop(struct file *file, void *fh, { struct soc_camera_file *icf = file->private_data; struct soc_camera_device *icd = icf->icd; - struct soc_camera_host *ici = - to_soc_camera_host(icd->dev.parent); + struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); int ret; if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) @@ -776,13 +772,9 @@ static int scan_add_device(struct soc_camera_device *icd) static int soc_camera_probe(struct device *dev) { struct soc_camera_device *icd = to_soc_camera_dev(dev); - struct soc_camera_host *ici = - to_soc_camera_host(icd->dev.parent); + struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); int ret; - if (!icd->ops->probe) - return -ENODEV; - /* We only call ->add() here to activate and probe the camera. * We shall ->remove() and deactivate it immediately afterwards. */ ret = ici->ops->add(icd); @@ -863,7 +855,16 @@ int soc_camera_host_register(struct soc_camera_host *ici) int ret; struct soc_camera_host *ix; - if (!ici->ops->init_videobuf || !ici->ops->add || !ici->ops->remove) + if (!ici || !ici->ops || + !ici->ops->try_fmt || + !ici->ops->set_fmt || + !ici->ops->set_bus_param || + !ici->ops->querycap || + !ici->ops->init_videobuf || + !ici->ops->reqbufs || + !ici->ops->add || + !ici->ops->remove || + !ici->ops->poll) return -EINVAL; /* Number might be equal to the platform device ID */ @@ -931,7 +932,16 @@ int soc_camera_device_register(struct soc_camera_device *icd) struct soc_camera_device *ix; int num = -1, i; - if (!icd) + if (!icd || !icd->ops || + !icd->ops->probe || + !icd->ops->init || + !icd->ops->release || + !icd->ops->start_capture || + !icd->ops->stop_capture || + !icd->ops->set_fmt || + !icd->ops->try_fmt || + !icd->ops->query_bus_param || + !icd->ops->set_bus_param) return -EINVAL; for (i = 0; i < 256 && num < 0; i++) { @@ -953,7 +963,9 @@ int soc_camera_device_register(struct soc_camera_device *icd) icd->dev.bus = &soc_camera_bus_type; dev_set_name(&icd->dev, "%u-%u", icd->iface, icd->devnum); - icd->dev.release = dummy_release; + icd->dev.release = dummy_release; + icd->use_count = 0; + icd->host_priv = NULL; return scan_add_device(icd); } |