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V4L/DVB (11097): use video_ioctl2 as ioctl handler directly 

The encoder commands ioctls are available in v4l2_ioctl_ops. Use them
and get rid of the custom ioctl handler and use video_ioctl2.

Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Janne Grunau 2009-03-18 20:57:04 -03:00 committed by Mauro Carvalho Chehab
parent 9aba42efe8
commit 76717b887c
1 changed files with 41 additions and 44 deletions
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85
drivers/media/video/hdpvr/hdpvr-video.c
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@ -524,56 +524,13 @@ static unsigned int hdpvr_poll(struct file *filp, poll_table *wait)
}
static long hdpvr_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct hdpvr_fh *fh = (struct hdpvr_fh *)filp->private_data;
struct hdpvr_device *dev = fh->dev;
int res;
if (video_is_unregistered(dev->video_dev))
return -EIO;
mutex_lock(&dev->io_mutex);
switch (cmd) {
case VIDIOC_TRY_ENCODER_CMD:
case VIDIOC_ENCODER_CMD: {
struct v4l2_encoder_cmd *enc = (struct v4l2_encoder_cmd *)arg;
int try = cmd == VIDIOC_TRY_ENCODER_CMD;
memset(&enc->raw, 0, sizeof(enc->raw));
switch (enc->cmd) {
case V4L2_ENC_CMD_START:
enc->flags = 0;
if (try)
return 0;
res = hdpvr_start_streaming(dev);
break;
case V4L2_ENC_CMD_STOP:
if (try)
return 0;
res = hdpvr_stop_streaming(dev);
break;
default:
v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev,
"Unsupported encoder cmd %d\n", enc->cmd);
return -EINVAL;
}
break;
}
default:
res = video_ioctl2(filp, cmd, arg);
}
mutex_unlock(&dev->io_mutex);
return res;
}
static const struct v4l2_file_operations hdpvr_fops = {
.owner = THIS_MODULE,
.open = hdpvr_open,
.release = hdpvr_release,
.read = hdpvr_read,
.poll = hdpvr_poll,
.unlocked_ioctl = hdpvr_ioctl,
.unlocked_ioctl = video_ioctl2,
};
/*=======================================================================*/
@ -1163,6 +1120,44 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *private_data,
return 0;
}
static int vidioc_encoder_cmd(struct file *filp, void *priv,
struct v4l2_encoder_cmd *a)
{
struct hdpvr_fh *fh = filp->private_data;
struct hdpvr_device *dev = fh->dev;
int res;
mutex_lock(&dev->io_mutex);
memset(&a->raw, 0, sizeof(a->raw));
switch (a->cmd) {
case V4L2_ENC_CMD_START:
a->flags = 0;
res = hdpvr_start_streaming(dev);
break;
case V4L2_ENC_CMD_STOP:
res = hdpvr_stop_streaming(dev);
break;
default:
v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev,
"Unsupported encoder cmd %d\n", a->cmd);
return -EINVAL;
}
mutex_unlock(&dev->io_mutex);
return res;
}
static int vidioc_try_encoder_cmd(struct file *filp, void *priv,
struct v4l2_encoder_cmd *a)
{
switch (a->cmd) {
case V4L2_ENC_CMD_START:
case V4L2_ENC_CMD_STOP:
return 0;
default:
return -EINVAL;
}
}
static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
@ -1181,6 +1176,8 @@ static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = {
.vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
.vidioc_encoder_cmd = vidioc_encoder_cmd,
.vidioc_try_encoder_cmd = vidioc_try_encoder_cmd,
};
static void hdpvr_device_release(struct video_device *vdev)