diff options
Diffstat (limited to 'drivers/media/usb/uvc')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_v4l2.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 7ab1bdcfb493..160f9cf6e6db 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -1222,36 +1222,36 @@ static long uvc_v4l2_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct uvc_fh *handle = file->private_data; + unsigned int converted_cmd = v4l2_translate_cmd(cmd); int ret; - /* The following IOCTLs do not need to turn on the camera. */ - switch (cmd) { - case VIDIOC_CREATE_BUFS: - case VIDIOC_DQBUF: - case VIDIOC_ENUM_FMT: - case VIDIOC_ENUM_FRAMEINTERVALS: - case VIDIOC_ENUM_FRAMESIZES: - case VIDIOC_ENUMINPUT: - case VIDIOC_EXPBUF: - case VIDIOC_G_FMT: - case VIDIOC_G_PARM: - case VIDIOC_G_SELECTION: - case VIDIOC_QBUF: - case VIDIOC_QUERYCAP: - case VIDIOC_REQBUFS: - case VIDIOC_SUBSCRIBE_EVENT: - case VIDIOC_UNSUBSCRIBE_EVENT: - return video_ioctl2(file, cmd, arg); - } - - ret = uvc_pm_get(handle->stream->dev); - if (ret) + /* The following IOCTLs need to turn on the camera. */ + switch (converted_cmd) { + case UVCIOC_CTRL_MAP: + case UVCIOC_CTRL_QUERY: + case VIDIOC_G_CTRL: + case VIDIOC_G_EXT_CTRLS: + case VIDIOC_G_INPUT: + case VIDIOC_QUERYCTRL: + case VIDIOC_QUERYMENU: + case VIDIOC_QUERY_EXT_CTRL: + case VIDIOC_S_CTRL: + case VIDIOC_S_EXT_CTRLS: + case VIDIOC_S_FMT: + case VIDIOC_S_INPUT: + case VIDIOC_S_PARM: + case VIDIOC_TRY_EXT_CTRLS: + case VIDIOC_TRY_FMT: + ret = uvc_pm_get(handle->stream->dev); + if (ret) + return ret; + ret = video_ioctl2(file, cmd, arg); + uvc_pm_put(handle->stream->dev); return ret; + } - ret = video_ioctl2(file, cmd, arg); - - uvc_pm_put(handle->stream->dev); - return ret; + /* The other IOCTLs can run with the camera off. */ + return video_ioctl2(file, cmd, arg); } const struct v4l2_ioctl_ops uvc_ioctl_ops = { |