Hi Andy, Dongchun, On Tue, Jun 09, 2020 at 02:14:28PM +0300, Andy Shevchenko wrote: > On Tue, Jun 09, 2020 at 11:45:41AM +0800, Dongchun Zhu wrote: > > On Mon, 2020-06-08 at 16:27 +0300, Andy Shevchenko wrote: > > > On Sat, Jun 06, 2020 at 02:19:18PM +0800, Dongchun Zhu wrote: > > > > On Fri, 2020-06-05 at 15:46 +0300, Andy Shevchenko wrote: > > > > > On Fri, Jun 05, 2020 at 06:54:12PM +0800, Dongchun Zhu wrote: > > ... > > > > > > > +#define DW9768_AAC_TIME_DEFAULT 0x20 > > > > > > > > > > Hex? Why not decimal? > > > > > > > > > > > > > There is one optional property 'dongwoon,aac-timing' defined in DT. > > > > I don't know whether you have noticed that. > > > > > > > > 'DW9768_AAC_TIME_DEFAULT' is the value set to AACT[5:0] register. > > > > I thought the Hex unit should be proper as it is directly written to the > > > > Hex register. > > > > > > I see. I would rather put it like (BIT(6) / 2) to show explicitly that we > > > choose half of the resolution. > > > > > > > I knew your idea. > > '(BIT(6) / 2)' may somewhat show the meaning of 'median of the total > > range of AACT[5:0]'. > > > > But this value is still very obscure relative to '0x20'. > > As I thought that simple is the best, especially for kernel upstream > > patch. > > Okay, let's wait for maintainers to speak up. The value 0x20 is the device default, I don't see it having any other special significance. So I'm totally fine with 0x20. -- Kind regards, Sakari Ailus