Hi Hans, Thank you for the patches. Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> On Saturday 20 September 2014 21:16:34 Hans Verkuil wrote: > OK, so v1 wasn't the final patch series :-) Let's see if this is. > > Changes since v1: > > - Also initialize waiting_for_buffers in STREAMOFF and when CREATE_BUFS is > called and no buffers have been allocated yet. > - Improve some of the wording in patch 2 based on suggestions from Laurent. > > This patch series resolves the vb2 VBI poll regression where alevt and mtt > fail on drivers using vb2. > > These applications call REQBUFS, queue the buffers and then poll() without > calling STREAMON first. They rely on poll() to return POLLERR in that case > and they do the STREAMON at that time. This is correct according to the > spec, but this was never implemented in vb2. > > This is fixed together with an other vb2 regression: calling REQBUFS, then > STREAMON, then poll() without doing a QBUF first should return POLLERR as > well according to the spec. This has been fixed as well and the spec has > been clarified that this is only done for capture queues. Output queues in > the same situation will return as well, but with POLLOUT|POLLWRNORM set > instead of POLLERR. > > The final patch adds missing documentation to poll() regarding event > handling and improves the documentation regarding stream I/O and output > queues. > > Regards, > > Hans -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
