On Wed, 2022-03-30 at 13:30 +0100, Mark Brown wrote: > On Wed, Mar 30, 2022 at 10:33:06AM +0800, Jiaxin Yu wrote: > > > "(Although I think this would technicallybreak the ABI?)" > > ==> I can't understand this question, could you help explain it in > > more > > detail. > > Making a previously optional property required means that systems > that > previously worked may stop working unless they update their DT, DTs > may > be distributed separately to the kernel and perhaps even baked into > firmware or similar. Hi Mark, Thank you for your detailed answer. I should keep the driver's behavior consistent with the description of dt-bindings. The "mediatek,hdmi- codec" needs to be set as the required property. Is my understanding right? Thanks, Jiaxin.Yu
