Hi Laurent,
On Thu, Feb 5, 2015 at 11:53 AM, Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
> Hi Prabhakar,
>
> On Wednesday 04 February 2015 20:55:02 Lad, Prabhakar wrote:
>> On Wed, Feb 4, 2015 at 5:03 PM, Laurent Pinchart wrote:
>> > On Thursday 15 January 2015 23:39:23 Lad, Prabhakar wrote:
>> >> From: Benoit Parrot <bparrot@xxxxxx>
>> >>
>> >> this patch adds support for omnivision's ov2659
>> >> sensor.
>> >>
>> >> Signed-off-by: Benoit Parrot <bparrot@xxxxxx>
>> >> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
>> >> ---
>> >>
>> >> .../devicetree/bindings/media/i2c/ov2659.txt | 33 +
>> >> .../devicetree/bindings/vendor-prefixes.txt | 1 +
>> >> MAINTAINERS | 10 +
>> >> drivers/media/i2c/Kconfig | 11 +
>> >> drivers/media/i2c/Makefile | 1 +
>> >> drivers/media/i2c/ov2659.c | 1623
>> >> +++++++++++++++++
>> >> include/media/ov2659.h | 33 +
>> >> 7 files changed, 1712 insertions(+)
>> >> create mode 100644
>> >> Documentation/devicetree/bindings/media/i2c/ov2659.txt
>> >> create mode 100644 drivers/media/i2c/ov2659.c
>> >> create mode 100644 include/media/ov2659.h
>
> [snip]
>
>> >> diff --git a/drivers/media/i2c/ov2659.c b/drivers/media/i2c/ov2659.c
>> >> new file mode 100644
>> >> index 0000000..ce8ec8d
>> >> --- /dev/null
>> >> +++ b/drivers/media/i2c/ov2659.c
>> >> @@ -0,0 +1,1623 @@
>
> [snip]
>
>> >> +static const struct ov2659_framesize ov2659_framesizes[] = {
>> >> + { /* QVGA */
>> >> + .width = 320,
>> >> + .height = 240,
>> >> + .regs = ov2659_qvga,
>> >> + .max_exp_lines = 248,
>> >> + }, { /* VGA */
>> >> + .width = 640,
>> >> + .height = 480,
>> >> + .regs = ov2659_vga,
>> >> + .max_exp_lines = 498,
>> >> + }, { /* SVGA */
>> >> + .width = 800,
>> >> + .height = 600,
>> >> + .regs = ov2659_svga,
>> >> + .max_exp_lines = 498,
>> >> + }, { /* XGA */
>> >> + .width = 1024,
>> >> + .height = 768,
>> >> + .regs = ov2659_xga,
>> >> + .max_exp_lines = 498,
>> >> + }, { /* 720P */
>> >> + .width = 1280,
>> >> + .height = 720,
>> >> + .regs = ov2659_720p,
>> >> + .max_exp_lines = 498,
>> >> + }, { /* SXGA */
>> >> + .width = 1280,
>> >> + .height = 1024,
>> >> + .regs = ov2659_sxga,
>> >> + .max_exp_lines = 1048,
>> >> + }, { /* UXGA */
>> >> + .width = 1600,
>> >> + .height = 1200,
>> >> + .regs = ov2659_uxga,
>> >> + .max_exp_lines = 498,
>> >> + },
>> >> +};
>> >
>> > That's what bothers me the most about drivers for Omnivision sensors. For
>> > some reason (I'd bet on lack of proper documentation) they list a couple
>> > of supported resolutions with corresponding register values, instead of
>> > computing the register values from the format configured by userspace.
>> > That's not the way we want to go. Prabhakar, do you have enough
>> > documentation to fix that ?
>>
>> I am afraid I have limited documentation here.
>
> How limited ? :-) I assume someone has documentation, given that the patch
> contains a larger number of #define's with register names.
>
Yea I don’t have NDA signed with TI/Omnivision :( because I which I
lack the documentation.
Regards,
--Prabhakar
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