On Sat, 2017-12-30 at 21:10 +0000, Alan Cox wrote: > > AFAIR Alan has CHT hardware he is developing / testing on. > > I have a loaned board from the company Vincent (who did the intial > patches) works for. At the moment it's loading firmware, finding > cameras > doing power management but not transferring images. > > Unfortunately because of the design of the driver and firmware at the > moment we are reduced to analyzing all the structs by hand between > multiple different driver releases, and playing games to try and find > out > why various things are not matching up (assuming the firmware we have > will actually work with the Windows tablet in question in the first > place). Maybe we need start over, i.e. find a (presumable old) kernel with driver _and_ corresponding firmware _and_ hardware it supports to start with... > It's nasty because there are complex structs shared between the > firmware > and the OS, and in at least one spot the supposedly 'pristine' CHT > driver > that was used for the merge we now know could never have worked > because > it mismatched its own firmware ! Argh! > On BYT I can't currently do much as my latest Intel Android tablet has > died and it's getting hard to find more because I guess the rest of > those > made have also died. I have MRD7 with some BIOS on it I even don't know if there is any newer still available inside. -- Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Intel Finland Oy