On Tue, Jul 20, 2021 at 4:17 PM Miclaus, Antoniu <Antoniu.Miclaus@xxxxxxxxxx> wrote: > > From: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > > Sent: Friday, July 16, 2021 5:53 PM > > On Fri, Jul 16, 2021 at 2:43 PM Antoniu Miclaus > > <antoniu.miclaus@xxxxxxxxxx> wrote: ... > > First question is why not to use the regmap API (I have heard it has > > gained support of 17 bit)? > > Initially that was the plan, but after this patch: > https://github.com/torvalds/linux/commit/4191f19792bf91267835eb090d970e9cd6277a65 > the custom write formats for regmap allow the read only via cached registers. > > Therefore, I preferred using spi transfers for write/read to/from the device. Not sure I follow you. That patch is upstream. Does it prevent you from switching to regmap SPI API? ... > > > + depends on COMMON_CLK > > > > Is it mandatory for any function inside the device? > > Yes. It will serve as LO input to the device. But can the device work without it (with limited functionality)? -- With Best Regards, Andy Shevchenko
