diff options
Diffstat (limited to 'drivers/media/common/saa7146_fops.c')
| -rw-r--r-- | drivers/media/common/saa7146_fops.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c index 8d7df1a0bcd0..f14e218bed16 100644 --- a/drivers/media/common/saa7146_fops.c +++ b/drivers/media/common/saa7146_fops.c @@ -429,8 +429,13 @@ static void vv_callback(struct saa7146_dev *dev, unsigned long status) } } +static const struct v4l2_ctrl_ops saa7146_ctrl_ops = { + .s_ctrl = saa7146_s_ctrl, +}; + int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) { + struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; struct saa7146_vv *vv; int err; @@ -438,9 +443,28 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) if (err) return err; + v4l2_ctrl_handler_init(hdl, 6); + v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, + V4L2_CID_CONTRAST, 0, 127, 1, 64); + v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, + V4L2_CID_SATURATION, 0, 127, 1, 64); + v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + if (hdl->error) { + err = hdl->error; + v4l2_ctrl_handler_free(hdl); + return err; + } + dev->v4l2_dev.ctrl_handler = hdl; + vv = kzalloc(sizeof(struct saa7146_vv), GFP_KERNEL); if (vv == NULL) { ERR("out of memory. aborting.\n"); + v4l2_ctrl_handler_free(hdl); return -ENOMEM; } ext_vv->ops = saa7146_video_ioctl_ops; @@ -463,6 +487,7 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) if( NULL == vv->d_clipping.cpu_addr ) { ERR("out of memory. aborting.\n"); kfree(vv); + v4l2_ctrl_handler_free(hdl); return -1; } memset(vv->d_clipping.cpu_addr, 0x0, SAA7146_CLIPPING_MEM); @@ -486,6 +511,7 @@ int saa7146_vv_release(struct saa7146_dev* dev) v4l2_device_unregister(&dev->v4l2_dev); pci_free_consistent(dev->pci, SAA7146_CLIPPING_MEM, vv->d_clipping.cpu_addr, vv->d_clipping.dma_handle); + v4l2_ctrl_handler_free(&dev->ctrl_handler); kfree(vv); dev->vv_data = NULL; dev->vv_callback = NULL; @@ -516,6 +542,7 @@ int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, This driver needs auditing so that this flag can be removed. */ set_bit(V4L2_FL_LOCK_ALL_FOPS, &vfd->flags); vfd->lock = &dev->v4l2_lock; + vfd->v4l2_dev = &dev->v4l2_dev; vfd->tvnorms = 0; for (i = 0; i < dev->ext_vv_data->num_stds; i++) vfd->tvnorms |= dev->ext_vv_data->stds[i].id; |