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-rw-r--r--include/media/videobuf2-core.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 5342ff4d748f..88e3ab496e8f 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -404,6 +404,9 @@ struct vb2_buf_ops {
* @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
+ * @quirk_poll_must_check_waiting_for_buffers: Return POLLERR at poll when QBUF
+ * has not been called. This is a vb1 idiom that has been adopted
+ * also by vb2.
* @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
@@ -467,6 +470,7 @@ struct vb2_queue {
unsigned fileio_read_once:1;
unsigned fileio_write_immediately:1;
unsigned allow_zero_bytesused:1;
+ unsigned quirk_poll_must_check_waiting_for_buffers:1;
struct mutex *lock;
void *owner;

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