RE: [PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-11-20 Thread Karicheri, Muralidharan
Hi, I guess this is only one part of the required API support for setting bus configuration for which I had sent an RFC some time back. I am sure we need to set bus image/data format in vpfe/vpbe drivers of DMxxx. I am starting to do more upstream work for vpfe capture display drivers and would

Re: [PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-11-19 Thread Guennadi Liakhovetski
Hi Hans On Sun, 15 Nov 2009, Hans Verkuil wrote: [snip] +s32 v4l2_imgbus_bytes_per_line(u32 width, + const struct v4l2_imgbus_pixelfmt *imgf) +{ + switch (imgf-packing) { + case V4L2_IMGBUS_PACKING_NONE: + return

Re: [PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-11-15 Thread Hans Verkuil
Hi Guennadi, Apologies for the late reply, but better late than never :-) On Thursday 12 November 2009 09:08:42 Guennadi Liakhovetski wrote: Hi Hans Thanks for the review On Wed, 11 Nov 2009, Hans Verkuil wrote: Hi Guennadi, OK, I've looked at this again. See my comments below.

Re: [PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-11-12 Thread Guennadi Liakhovetski
Hi Hans Thanks for the review On Wed, 11 Nov 2009, Hans Verkuil wrote: Hi Guennadi, OK, I've looked at this again. See my comments below. On Friday 30 October 2009 15:01:27 Guennadi Liakhovetski wrote: Video subdevices, like cameras, decoders, connect to video bridges over

Re: [PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-11-10 Thread Guennadi Liakhovetski
On Tue, 10 Nov 2009, Laurent Pinchart wrote: On Friday 30 October 2009 15:01:27 Guennadi Liakhovetski wrote: Video subdevices, like cameras, decoders, connect to video bridges over specialised busses. Data is being transferred over these busses in various formats, which only loosely

Re: [PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-11-10 Thread Hans Verkuil
Hi Guennadi, OK, I've looked at this again. See my comments below. On Friday 30 October 2009 15:01:27 Guennadi Liakhovetski wrote: Video subdevices, like cameras, decoders, connect to video bridges over specialised busses. Data is being transferred over these busses in various formats, which

Re: [PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-11-06 Thread Hans Verkuil
On Fri, 6 Nov 2009, Hans Verkuil wrote: On Thursday 05 November 2009 19:56:04 Guennadi Liakhovetski wrote: On Thu, 5 Nov 2009, Hans Verkuil wrote: On Thursday 05 November 2009 17:51:50 Guennadi Liakhovetski wrote: On Thu, 5 Nov 2009, Hans Verkuil wrote: On Friday 30 October

Re: [PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-11-05 Thread Guennadi Liakhovetski
On Thu, 5 Nov 2009, Hans Verkuil wrote: On Thursday 05 November 2009 17:51:50 Guennadi Liakhovetski wrote: On Thu, 5 Nov 2009, Hans Verkuil wrote: On Friday 30 October 2009 15:01:27 Guennadi Liakhovetski wrote: Video subdevices, like cameras, decoders, connect to video bridges over

Re: [PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-11-05 Thread Hans Verkuil
On Thursday 05 November 2009 19:56:04 Guennadi Liakhovetski wrote: On Thu, 5 Nov 2009, Hans Verkuil wrote: On Thursday 05 November 2009 17:51:50 Guennadi Liakhovetski wrote: On Thu, 5 Nov 2009, Hans Verkuil wrote: On Friday 30 October 2009 15:01:27 Guennadi Liakhovetski wrote:

Re: [PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-11-05 Thread Guennadi Liakhovetski
On Fri, 6 Nov 2009, Hans Verkuil wrote: On Thursday 05 November 2009 19:56:04 Guennadi Liakhovetski wrote: On Thu, 5 Nov 2009, Hans Verkuil wrote: On Thursday 05 November 2009 17:51:50 Guennadi Liakhovetski wrote: On Thu, 5 Nov 2009, Hans Verkuil wrote: On Friday 30 October

[PATCH/RFC 7/9 v2] v4l: add an image-bus API for configuring v4l2 subdev pixel and frame formats

2009-10-30 Thread Guennadi Liakhovetski
Video subdevices, like cameras, decoders, connect to video bridges over specialised busses. Data is being transferred over these busses in various formats, which only loosely correspond to fourcc codes, describing how video data is stored in RAM. This is not a one-to-one correspondence, therefore