Em Tue, 11 Apr 2017 15:27:12 +0200 Hans Verkuil <hverk...@xs4all.nl> escreveu:
> On 04/11/17 13:17, Mauro Carvalho Chehab wrote: > > Em Mon, 10 Apr 2017 21:26:40 +0200 > > Hans Verkuil <hverk...@xs4all.nl> escreveu: > > > >> From: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com> > >> > >> The histogram common code will be used to implement support for both the > >> HGO and HGT histogram computation engines. > >> > >> Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com> > >> --- > >> drivers/media/platform/Kconfig | 1 + > >> drivers/media/platform/vsp1/Makefile | 1 + > >> drivers/media/platform/vsp1/vsp1_histo.c | 646 > >> +++++++++++++++++++++++++++++++ > >> drivers/media/platform/vsp1/vsp1_histo.h | 84 ++++ > >> 4 files changed, 732 insertions(+) > >> create mode 100644 drivers/media/platform/vsp1/vsp1_histo.c > >> create mode 100644 drivers/media/platform/vsp1/vsp1_histo.h > > > >> diff --git a/drivers/media/platform/vsp1/vsp1_histo.c > >> b/drivers/media/platform/vsp1/vsp1_histo.c > >> new file mode 100644 > >> index 000000000000..afab77cf4fa5 > >> --- /dev/null > >> +++ b/drivers/media/platform/vsp1/vsp1_histo.c > > > > ... > > > >> + crop = vsp1_entity_get_pad_selection(&histo->entity, config, sel->pad, > >> + V4L2_SEL_TGT_CROP); > >> + > >> + /* > >> + * Clamp the width and height to acceptable values first and then > >> + * compute the closest rounded dividing ratio. > >> + * > >> + * Ratio Rounded ratio > >> + * -------------------------- > >> + * [1.0 1.5[ 1 > > > > Nitpick: > > > > 1.0 1.5] 1 > > No, the notation [a b[ means the range 'a to, but not including, b'. > > So this is correct. > > I'm used to writing this as [a b), but according to wikipedia both notations > are allowed. Ah! Yeah, it occurred to me that it could be using such notation from set theory, but as all the other ranges there were using [a b], I assumed it was a typo. > > Regards, > > Hans > > > > > Thanks, > > Mauro > > > Thanks, Mauro
