Hi Sakari, > -----Original Message----- > From: sakari.ailus@xxxxxxxxxxxxxxx [mailto:sakari.ailus@xxxxxxxxxxxxxxx] > Sent: Thursday, October 04, 2018 12:09 AM > To: Mani, Rajmohan <rajmohan.mani@xxxxxxxxx> > Cc: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>; Hans Verkuil > <hverkuil@xxxxxxxxx>; Zhi, Yong <yong.zhi@xxxxxxxxx>; linux- > media@xxxxxxxxxxxxxxx; tfiga@xxxxxxxxxxxx; mchehab@xxxxxxxxxx; > hans.verkuil@xxxxxxxxx; laurent.pinchart@xxxxxxxxxxxxxxxx; Zheng, Jian Xu > <jian.xu.zheng@xxxxxxxxx>; Hu, Jerry W <jerry.w.hu@xxxxxxxxx>; Li, Chao C > <chao.c.li@xxxxxxxxx>; Qiu, Tian Shu <tian.shu.qiu@xxxxxxxxx> > Subject: Re: [PATCH v1 2/2] v4l: Document Intel IPU3 meta data uAPI > > Hi Raj, > > On Wed, Oct 03, 2018 at 10:56:19PM +0000, Mani, Rajmohan wrote: > ... > > > From some comment you had later, > > > I guess you're meaning that only 3 or 7 are the valid values. > > > > > > Yet, you're listing from 2^3 to 2^7, and that's confusing. Perhaps > > > you want to say, instead, that the valid values are at the 3..7 range? > > > If so, please use something like "values at the [3..7] range". > > > > > > > As Sakari pointed / preferred in the other thread, we will use the > > format [3, 7] to represent all integers between 3 and 7, including 3 and 7. > > Feel free to add a reference to this in the format documentation: > > <URL:https://en.wikipedia.org/wiki/Interval_(mathematics)> > > I guess the right place would be the top parameter format ReST document. > Ack > ... > > > > > > + * All above has precision u0.4, range [0..0xF]. > > > > > > again, what do you mean by u0.4? > > > > unsigned integer with 0 bits used for representing whole number, with > > 4 least significant bits used to represent the fractional part. > > You could refer to this: > > <URL:https://en.wikipedia.org/wiki/Q_(number_format)> > > The ux.y notation is more common in the context of software but I couldn't > find any decent document to refer to. > Ack. Will stick with ux.y notation with the relevant documentation (unless there Is a preference for Q format). > -- > Regards, > > Sakari Ailus > sakari.ailus@xxxxxxxxxxxxxxx
