diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc-v4l.c')
| -rw-r--r-- | drivers/media/video/pwc/pwc-v4l.c | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c index 7061a03f5cf..8ca4d22b438 100644 --- a/drivers/media/video/pwc/pwc-v4l.c +++ b/drivers/media/video/pwc/pwc-v4l.c @@ -309,7 +309,10 @@ static int pwc_vidioc_set_fmt(struct pwc_device *pdev, struct v4l2_format *f) pixelformat != V4L2_PIX_FMT_PWC2) return -EINVAL; - PWC_DEBUG_IOCTL("Try to change format to: width=%d height=%d fps=%d " + if (pdev->iso_init) + return -EBUSY; + + PWC_DEBUG_IOCTL("Trying to set format to: width=%d height=%d fps=%d " "compression=%d snapshot=%d format=%c%c%c%c\n", f->fmt.pix.width, f->fmt.pix.height, fps, compression, snapshot, @@ -318,14 +321,14 @@ static int pwc_vidioc_set_fmt(struct pwc_device *pdev, struct v4l2_format *f) (pixelformat>>16)&255, (pixelformat>>24)&255); - ret = pwc_try_video_mode(pdev, + ret = pwc_set_video_mode(pdev, f->fmt.pix.width, f->fmt.pix.height, fps, compression, snapshot); - PWC_DEBUG_IOCTL("pwc_try_video_mode(), return=%d\n", ret); + PWC_DEBUG_IOCTL("pwc_set_video_mode(), return=%d\n", ret); if (ret) return ret; @@ -359,23 +362,6 @@ long pwc_video_do_ioctl(struct file *file, unsigned int cmd, void *arg) switch (cmd) { -#ifdef CONFIG_VIDEO_V4L1_COMPAT - /* mmap() functions */ - case VIDIOCGMBUF: - { - /* Tell the user program how much memory is needed for a mmap() */ - struct video_mbuf *vm = arg; - int i; - - memset(vm, 0, sizeof(*vm)); - vm->size = pwc_mbufs * pdev->len_per_image; - vm->frames = pwc_mbufs; /* double buffering should be enough for most applications */ - for (i = 0; i < pwc_mbufs; i++) - vm->offsets[i] = i * pdev->len_per_image; - break; - } -#endif - /* V4L2 Layer */ case VIDIOC_QUERYCAP: { @@ -882,9 +868,7 @@ long pwc_video_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_STREAMON: { - /* WARNING: pwc_try_video_mode() called pwc_isoc_init */ - pwc_isoc_init(pdev); - return 0; + return pwc_isoc_init(pdev); } case VIDIOC_STREAMOFF: |