};
/**
- * enum vb2_fileio_flags - flags for selecting a mode of the file io emulator,
- * by default the 'streaming' style is used by the file io emulator
- * @VB2_FILEIO_READ_ONCE: report EOF after reading the first buffer
- * @VB2_FILEIO_WRITE_IMMEDIATELY: queue buffer after each write() call
- */
-enum vb2_fileio_flags {
- VB2_FILEIO_READ_ONCE = (1 << 0),
- VB2_FILEIO_WRITE_IMMEDIATELY = (1 << 1),
-};
-
-/**
* 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
*
* @type: queue type (see V4L2_BUF_TYPE_* in linux/videodev2.h
* @io_modes: supported io methods (see vb2_io_modes enum)
- * @io_flags: additional io flags (see vb2_fileio_flags enum)
+ * @fileio_read_once: report EOF after reading the first buffer
+ * @fileio_write_immediately: queue buffer after each write() call
+ * @allow_zero_bytesused: allow bytesused == 0 to be passed to the driver
* @lock: pointer to a mutex that protects the vb2_queue struct. The
* driver can set this to a mutex to let the v4l2 core serialize
* the queuing ioctls. If the driver wants to handle locking
struct vb2_queue {
enum v4l2_buf_type type;
unsigned int io_modes;
- unsigned int io_flags;
+ unsigned fileio_read_once:1;
+ unsigned fileio_write_immediately:1;
+ unsigned allow_zero_bytesused:1;
+
struct mutex *lock;
struct v4l2_fh *owner;