[media] vb2: push the mmap semaphore down to __buf_prepare()

[~andy/linux] / include / media / videobuf2-core.h

diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 0ae974ee8894d1d040e0d7a527d4e3ab187abf03..ea766525a2686e03d07c8744edd7af7634ad3ec4 100644 (file)
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -142,6 +142,7 @@ enum vb2_fileio_flags {
 /**
  * enum vb2_buffer_state - current video buffer state
  * @VB2_BUF_STATE_DEQUEUED:    buffer under userspace control
+ * @VB2_BUF_STATE_PREPARING:   buffer is being prepared in videobuf
  * @VB2_BUF_STATE_PREPARED:    buffer prepared in videobuf and by the driver
  * @VB2_BUF_STATE_QUEUED:      buffer queued in videobuf, but not in driver
  * @VB2_BUF_STATE_ACTIVE:      buffer queued in driver and possibly used
@@ -154,6 +155,7 @@ enum vb2_fileio_flags {
  */
 enum vb2_buffer_state {
        VB2_BUF_STATE_DEQUEUED,
+       VB2_BUF_STATE_PREPARING,
        VB2_BUF_STATE_PREPARED,
        VB2_BUF_STATE_QUEUED,
        VB2_BUF_STATE_ACTIVE,