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[media] media: sh_vou: embed video_device 

Embed the video_device struct to simplify the error handling and in
order to (eventually) get rid of video_device_alloc/release.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Lad, Prabhakar 2015-03-09 19:10:51 -03:00 committed by Mauro Carvalho Chehab
parent afd270d1a4
commit d079f99f00
1 changed files with 6 additions and 15 deletions
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21
drivers/media/platform/sh_vou.c
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@ -62,7 +62,7 @@ enum sh_vou_status {
struct sh_vou_device {
struct v4l2_device v4l2_dev;
struct video_device *vdev;
struct video_device vdev;
atomic_t use_count;
struct sh_vou_pdata *pdata;
spinlock_t lock;
@ -890,7 +890,7 @@ static int sh_vou_s_std(struct file *file, void *priv, v4l2_std_id std_id)
dev_dbg(vou_dev->v4l2_dev.dev, "%s(): 0x%llx\n", __func__, std_id);
if (std_id & ~vou_dev->vdev->tvnorms)
if (std_id & ~vou_dev->vdev.tvnorms)
return -EINVAL;
ret = v4l2_device_call_until_err(&vou_dev->v4l2_dev, 0, video,
@ -1193,7 +1193,7 @@ static int sh_vou_open(struct file *file)
V4L2_BUF_TYPE_VIDEO_OUTPUT,
V4L2_FIELD_NONE,
sizeof(struct videobuf_buffer),
vou_dev->vdev, &vou_dev->fop_lock);
&vou_dev->vdev, &vou_dev->fop_lock);
mutex_unlock(&vou_dev->fop_lock);
file->private_data = vou_file;
@ -1361,21 +1361,14 @@ static int sh_vou_probe(struct platform_device *pdev)
goto ev4l2devreg;
}
/* Allocate memory for video device */
vdev = video_device_alloc();
if (vdev == NULL) {
ret = -ENOMEM;
goto evdevalloc;
}
vdev = &vou_dev->vdev;
*vdev = sh_vou_video_template;
if (vou_pdata->bus_fmt == SH_VOU_BUS_8BIT)
vdev->tvnorms |= V4L2_STD_PAL;
vdev->v4l2_dev = &vou_dev->v4l2_dev;
vdev->release = video_device_release;
vdev->release = video_device_release_empty;
vdev->lock = &vou_dev->fop_lock;
vou_dev->vdev = vdev;
video_set_drvdata(vdev, vou_dev);
pm_runtime_enable(&pdev->dev);
@ -1409,9 +1402,7 @@ ei2cnd:
ereset:
i2c_put_adapter(i2c_adap);
ei2cgadap:
video_device_release(vdev);
pm_runtime_disable(&pdev->dev);
evdevalloc:
v4l2_device_unregister(&vou_dev->v4l2_dev);
ev4l2devreg:
free_irq(irq, vou_dev);
@ -1438,7 +1429,7 @@ static int sh_vou_remove(struct platform_device *pdev)
if (irq > 0)
free_irq(irq, vou_dev);
pm_runtime_disable(&pdev->dev);
video_unregister_device(vou_dev->vdev);
video_unregister_device(&vou_dev->vdev);
i2c_put_adapter(client->adapter);
v4l2_device_unregister(&vou_dev->v4l2_dev);
iounmap(vou_dev->base);