diff options
Diffstat (limited to 'drivers/media/platform/soc_camera/soc_camera.c')
| -rw-r--r-- | drivers/media/platform/soc_camera/soc_camera.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index d3f0b84e2d70..2ec90eae6ba0 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); } } @@ -1526,7 +1530,7 @@ static int soc_camera_video_start(struct soc_camera_device *icd) return 0; } -static int __devinit soc_camera_pdrv_probe(struct platform_device *pdev) +static int soc_camera_pdrv_probe(struct platform_device *pdev) { struct soc_camera_link *icl = pdev->dev.platform_data; struct soc_camera_device *icd; @@ -1554,7 +1558,7 @@ static int __devinit soc_camera_pdrv_probe(struct platform_device *pdev) * hot-pluggable. Now we know, that all our users - hosts and devices have * been unloaded already */ -static int __devexit soc_camera_pdrv_remove(struct platform_device *pdev) +static int soc_camera_pdrv_remove(struct platform_device *pdev) { struct soc_camera_device *icd = platform_get_drvdata(pdev); @@ -1568,7 +1572,7 @@ static int __devexit soc_camera_pdrv_remove(struct platform_device *pdev) static struct platform_driver __refdata soc_camera_pdrv = { .probe = soc_camera_pdrv_probe, - .remove = __devexit_p(soc_camera_pdrv_remove), + .remove = soc_camera_pdrv_remove, .driver = { .name = "soc-camera-pdrv", .owner = THIS_MODULE, |