diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-417.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index f65e38cfb1d9..b5afa330dd28 100644 --- a/drivers/media/video/cx23885/cx23885-417.c +++ b/drivers/media/video/cx23885/cx23885-417.c @@ -1044,7 +1044,7 @@ static void cx23885_codec_settings(struct cx23885_dev *dev) cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1); } -static int cx23885_initialize_codec(struct cx23885_dev *dev) +static int cx23885_initialize_codec(struct cx23885_dev *dev, int startencoder) { int version; int retval; @@ -1126,9 +1126,11 @@ static int cx23885_initialize_codec(struct cx23885_dev *dev) mc417_memory_write(dev, 2120, 0x00000080); /* start capturing to the host interface */ - cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, - CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE); - msleep(10); + if (startencoder) { + cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, + CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE); + msleep(10); + } return 0; } @@ -1346,7 +1348,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, call_all(dev, tuner, s_frequency, f); - cx23885_initialize_codec(dev); + cx23885_initialize_codec(dev, 0); return 0; } @@ -1650,7 +1652,7 @@ static ssize_t mpeg_read(struct file *file, char __user *data, /* Start mpeg encoder on first read. */ if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) { if (atomic_inc_return(&dev->v4l_reader_count) == 1) { - if (cx23885_initialize_codec(dev) < 0) + if (cx23885_initialize_codec(dev, 1) < 0) return -EINVAL; } } @@ -1805,5 +1807,11 @@ int cx23885_417_register(struct cx23885_dev *dev) printk(KERN_INFO "%s: registered device %s [mpeg]\n", dev->name, video_device_node_name(dev->v4l_device)); + /* ST: Configure the encoder paramaters, but don't begin + * encoding, this resolves an issue where the first time the + * encoder is started video can be choppy. + */ + cx23885_initialize_codec(dev, 0); + return 0; } |