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.
--
Regards,
Laurent Pinchart
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