diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvc_v4l2.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_v4l2.c | 70 |
1 files changed, 57 insertions, 13 deletions
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 43e953f73e02..c4b1ac6750d8 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -511,7 +511,7 @@ static int uvc_v4l2_open(struct file *file) stream->dev->users++; mutex_unlock(&stream->dev->lock); - v4l2_fh_init(&handle->vfh, stream->vdev); + v4l2_fh_init(&handle->vfh, &stream->vdev); v4l2_fh_add(&handle->vfh); handle->chain = stream->chain; handle->stream = stream; @@ -882,6 +882,35 @@ static int uvc_ioctl_queryctrl(struct file *file, void *fh, return uvc_query_v4l2_ctrl(chain, qc); } +static int uvc_ioctl_query_ext_ctrl(struct file *file, void *fh, + struct v4l2_query_ext_ctrl *qec) +{ + struct uvc_fh *handle = fh; + struct uvc_video_chain *chain = handle->chain; + struct v4l2_queryctrl qc = { qec->id }; + int ret; + + ret = uvc_query_v4l2_ctrl(chain, &qc); + if (ret) + return ret; + + qec->id = qc.id; + qec->type = qc.type; + strlcpy(qec->name, qc.name, sizeof(qec->name)); + qec->minimum = qc.minimum; + qec->maximum = qc.maximum; + qec->step = qc.step; + qec->default_value = qc.default_value; + qec->flags = qc.flags; + qec->elem_size = 4; + qec->elems = 1; + qec->nr_of_dims = 0; + memset(qec->dims, 0, sizeof(qec->dims)); + memset(qec->reserved, 0, sizeof(qec->reserved)); + + return 0; +} + static int uvc_ioctl_g_ctrl(struct file *file, void *fh, struct v4l2_control *ctrl) { @@ -1018,26 +1047,37 @@ static int uvc_ioctl_querymenu(struct file *file, void *fh, return uvc_query_v4l2_menu(chain, qm); } -static int uvc_ioctl_cropcap(struct file *file, void *fh, - struct v4l2_cropcap *ccap) +static int uvc_ioctl_g_selection(struct file *file, void *fh, + struct v4l2_selection *sel) { struct uvc_fh *handle = fh; struct uvc_streaming *stream = handle->stream; - if (ccap->type != stream->type) + if (sel->type != stream->type) return -EINVAL; - ccap->bounds.left = 0; - ccap->bounds.top = 0; + switch (sel->target) { + case V4L2_SEL_TGT_CROP_DEFAULT: + case V4L2_SEL_TGT_CROP_BOUNDS: + if (stream->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + break; + case V4L2_SEL_TGT_COMPOSE_DEFAULT: + case V4L2_SEL_TGT_COMPOSE_BOUNDS: + if (stream->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) + return -EINVAL; + break; + default: + return -EINVAL; + } + + sel->r.left = 0; + sel->r.top = 0; mutex_lock(&stream->mutex); - ccap->bounds.width = stream->cur_frame->wWidth; - ccap->bounds.height = stream->cur_frame->wHeight; + sel->r.width = stream->cur_frame->wWidth; + sel->r.height = stream->cur_frame->wHeight; mutex_unlock(&stream->mutex); - ccap->defrect = ccap->bounds; - - ccap->pixelaspect.numerator = 1; - ccap->pixelaspect.denominator = 1; return 0; } @@ -1133,6 +1173,9 @@ static int uvc_ioctl_enum_frameintervals(struct file *file, void *fh, uvc_simplify_fraction(&fival->discrete.numerator, &fival->discrete.denominator, 8, 333); } else { + if (fival->index) + return -EINVAL; + fival->type = V4L2_FRMIVAL_TYPE_STEPWISE; fival->stepwise.min.numerator = frame->dwFrameInterval[0]; fival->stepwise.min.denominator = 10000000; @@ -1443,13 +1486,14 @@ const struct v4l2_ioctl_ops uvc_ioctl_ops = { .vidioc_g_input = uvc_ioctl_g_input, .vidioc_s_input = uvc_ioctl_s_input, .vidioc_queryctrl = uvc_ioctl_queryctrl, + .vidioc_query_ext_ctrl = uvc_ioctl_query_ext_ctrl, .vidioc_g_ctrl = uvc_ioctl_g_ctrl, .vidioc_s_ctrl = uvc_ioctl_s_ctrl, .vidioc_g_ext_ctrls = uvc_ioctl_g_ext_ctrls, .vidioc_s_ext_ctrls = uvc_ioctl_s_ext_ctrls, .vidioc_try_ext_ctrls = uvc_ioctl_try_ext_ctrls, .vidioc_querymenu = uvc_ioctl_querymenu, - .vidioc_cropcap = uvc_ioctl_cropcap, + .vidioc_g_selection = uvc_ioctl_g_selection, .vidioc_g_parm = uvc_ioctl_g_parm, .vidioc_s_parm = uvc_ioctl_s_parm, .vidioc_enum_framesizes = uvc_ioctl_enum_framesizes, |