On 15/11/2022 12:42, wangweidong.a@xxxxxxxxxx wrote: > Hi Krzysztof Kozlowski: > > Thank you for your advice, I will change these questions This is not a proper reply. Threading is broken. (...) > >> + maxItems: 1 >> + >> + sound-channel: >> + description: >> + Number of sound channels of the aw883xx chip > >> Your description does not explain me much. Number of supported sound channels is usually fixed in the hardware, thus coming from compatible. >> Therefore this might mean something else... but anyway your driver does not use it really, so just drop it. > > > I will delete this description in patch v5 No. Drop entire property. Best regards, Krzysztof