Re: [PATCH v2 3/4] pxa_camera: Redesign DMA handling

2009-03-16 Thread Trent Piepho
On Mon, 16 Mar 2009, Robert Jarzmik wrote: > Guennadi Liakhovetski writes: > > What is QIF? Do you mean Quick Capture Interface - QCI? I also see CIF > > used in the datasheet, probably, for "Capture InterFace," but I don't see > > QIF anywhere. Also, please explain the first time you use the > >

Re: [PATCH v2 3/4] pxa_camera: Redesign DMA handling

2009-03-16 Thread Robert Jarzmik
Guennadi Liakhovetski writes: > What is QIF? Do you mean Quick Capture Interface - QCI? I also see CIF > used in the datasheet, probably, for "Capture InterFace," but I don't see > QIF anywhere. Also, please explain the first time you use the > abbreviation. Also fix it in the commit message t

Re: [PATCH v2 3/4] pxa_camera: Redesign DMA handling

2009-03-16 Thread Guennadi Liakhovetski
On Sat, 14 Mar 2009, Robert Jarzmik wrote: > The DMA transfers in pxa_camera showed some weaknesses in > multiple queued buffers context : > - poll/select problem >The bug shows up with capture_example tool from v4l2 hg >tree. The process just "stalls" on a "select timeout". > > - multi

[PATCH v2 3/4] pxa_camera: Redesign DMA handling

2009-03-13 Thread Robert Jarzmik
The DMA transfers in pxa_camera showed some weaknesses in multiple queued buffers context : - poll/select problem The bug shows up with capture_example tool from v4l2 hg tree. The process just "stalls" on a "select timeout". - multiple buffers DMA starting When multiple buffers were que