diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-empress.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-empress.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index 1d972edb3be6..bc743b9253fd 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -64,8 +64,10 @@ static void ts_reset_encoder(struct saa7134_dev* dev) static int ts_init_encoder(struct saa7134_dev* dev) { + struct v4l2_ext_controls ctrls = { V4L2_CTRL_CLASS_MPEG, 0 }; + ts_reset_encoder(dev); - saa7134_i2c_call_clients(dev, VIDIOC_S_MPEGCOMP, NULL); + saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, &ctrls); dev->empress_started = 1; return 0; } @@ -162,6 +164,7 @@ static int ts_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { struct saa7134_dev *dev = file->private_data; + struct v4l2_ext_controls *ctrls = arg; if (debug > 1) v4l_print_ioctl(dev->name,cmd); @@ -284,6 +287,21 @@ static int ts_do_ioctl(struct inode *inode, struct file *file, case VIDIOC_G_MPEGCOMP: saa7134_i2c_call_clients(dev, VIDIOC_G_MPEGCOMP, arg); return 0; + case VIDIOC_S_EXT_CTRLS: + /* count == 0 is abused in saa6752hs.c, so that special + case is handled here explicitly. */ + if (ctrls->count == 0) + return 0; + if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) + return -EINVAL; + saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, arg); + ts_init_encoder(dev); + return 0; + case VIDIOC_G_EXT_CTRLS: + if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) + return -EINVAL; + saa7134_i2c_call_clients(dev, VIDIOC_G_EXT_CTRLS, arg); + return 0; default: return -ENOIOCTLCMD; |
