-int pwc_try_video_mode(struct pwc_device *pdev, int width, int height, int new_fps, int new_compression, int new_snapshot)
-{
- int ret, start;
-
- /* Stop isoc stuff */
- pwc_isoc_cleanup(pdev);
- /* Reset parameters */
- pwc_reset_buffers(pdev);
- /* Try to set video mode... */
- start = ret = pwc_set_video_mode(pdev, width, height, new_fps, new_compression, new_snapshot);
- if (ret) {
- PWC_DEBUG_FLOW("pwc_set_video_mode attempt 1 failed.\n");
- /* That failed... restore old mode (we know that worked) */
- start = pwc_set_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, pdev->vcompression, pdev->vsnapshot);
- if (start) {
- PWC_DEBUG_FLOW("pwc_set_video_mode attempt 2 failed.\n");
- }
- }
- if (start == 0)
- {
- if (pwc_isoc_init(pdev) < 0)
- {
- PWC_WARNING("Failed to restart ISOC transfers in pwc_try_video_mode.\n");
- ret = -EAGAIN; /* let's try again, who knows if it works a second time */
- }
- }
- pdev->drop_frames++; /* try to avoid garbage during switch */
- return ret; /* Return original error code */
-}
-