Hi > > > Right, such uapi can't be removed. > > > > > > Essentially both compress and PCM definitions are identical, and can > > > be never different because of ABI compatibility, which means it's safe > > > to mix both variants in the code. If you're unsure, we may add > > > BUILD_BUG_ON() to check the coincidence of both values. > > > > > > In case we add this BUILD_BUG_ON(), can we keep the code as is then, > > there's no need to convert values? > > Unless any strong type is used, it should be fine as is. > BUILD_BUG_ON() would catch if the value is changed inconsistently. OK, Thanks. v2 Will use BUILD_BUG_ON(). Thank you for your help !! Best regards --- Kuninori Morimoto