Re: [RFC PATCH 2/2] [media] videobuf2: return -EPIPE from DQBUF after the last buffer

2015-02-04 Thread Philipp Zabel
Hi Laurent, Am Dienstag, den 03.02.2015, 13:20 +0200 schrieb Laurent Pinchart: On Monday 02 February 2015 15:00:51 Hans Verkuil wrote: On 01/22/2015 12:28 PM, Philipp Zabel wrote: If the last buffer was dequeued from a capture queue, let poll return immediately and let DQBUF return

Re: [RFC PATCH 2/2] [media] videobuf2: return -EPIPE from DQBUF after the last buffer

2015-02-03 Thread Laurent Pinchart
On Monday 02 February 2015 15:00:51 Hans Verkuil wrote: On 01/22/2015 12:28 PM, Philipp Zabel wrote: If the last buffer was dequeued from a capture queue, let poll return immediately and let DQBUF return -EPIPE to signal there will no more buffers to dequeue until STREAMOFF. This looks

Re: [RFC PATCH 2/2] [media] videobuf2: return -EPIPE from DQBUF after the last buffer

2015-02-02 Thread Hans Verkuil
On 01/22/2015 12:28 PM, Philipp Zabel wrote: If the last buffer was dequeued from a capture queue, let poll return immediately and let DQBUF return -EPIPE to signal there will no more buffers to dequeue until STREAMOFF. This looks OK to me, although I would like to see comments from others as

Re: [RFC PATCH 2/2] [media] videobuf2: return -EPIPE from DQBUF after the last buffer

2015-02-02 Thread Philipp Zabel
Am Montag, den 02.02.2015, 15:00 +0100 schrieb Hans Verkuil: On 01/22/2015 12:28 PM, Philipp Zabel wrote: If the last buffer was dequeued from a capture queue, let poll return immediately and let DQBUF return -EPIPE to signal there will no more buffers to dequeue until STREAMOFF. This

[RFC PATCH 2/2] [media] videobuf2: return -EPIPE from DQBUF after the last buffer

2015-01-22 Thread Philipp Zabel
If the last buffer was dequeued from a capture queue, let poll return immediately and let DQBUF return -EPIPE to signal there will no more buffers to dequeue until STREAMOFF. Signed-off-by: Philipp Zabel p.za...@pengutronix.de --- TODO: (How) should the last_buffer_dequeud flag be cleared in