diff options
Diffstat (limited to 'drivers/media/platform/soc_camera/soc_camera.c')
| -rw-r--r-- | drivers/media/platform/soc_camera/soc_camera.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index d3f0b84e2d70..4e3735679f17 100644 --- a/drivers/media/platform/soc_camera/soc_camera.c +++ b/drivers/media/platform/soc_camera/soc_camera.c @@ -645,11 +645,17 @@ static ssize_t soc_camera_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct soc_camera_device *icd = file->private_data; - int err = -EINVAL; + struct soc_camera_host *ici = to_soc_camera_host(icd->parent); + + dev_dbg(icd->pdev, "read called, buf %p\n", buf); + + if (ici->ops->init_videobuf2 && icd->vb2_vidq.io_modes & VB2_READ) + return vb2_read(&icd->vb2_vidq, buf, count, ppos, + file->f_flags & O_NONBLOCK); dev_err(icd->pdev, "camera device read not implemented\n"); - return err; + return -EINVAL; } static int soc_camera_mmap(struct file *file, struct vm_area_struct *vma) @@ -1048,10 +1054,8 @@ static void scan_add_host(struct soc_camera_host *ici) list_for_each_entry(icd, &devices, list) { if (icd->iface == ici->nr) { - int ret; - icd->parent = ici->v4l2_dev.dev; - ret = soc_camera_probe(icd); + soc_camera_probe(icd); } } |