On 11-03-20, 11:35, Srinivas Kandagatla wrote: > According to SoundWire Specification Version 1.2. > "A Data Port number X (in the range 0-14) which supports only one > value of WordLength may implement the WordLength field in the > DPX_BlockCtrl1 Register as Read-Only, returning the fixed value of > WordLength in response to reads." > > As WSA881x interfaces in PDM mode making the only field "WordLength" > in DPX_BlockCtrl1" fixed and read-only. Behaviour of writing to this > register on WSA881x soundwire slave with Qualcomm Soundwire Controller > is throwing up an error. Not sure how other controllers deal with > writing to readonly registers, but this patch provides a way to avoid > writes to DPN_BlockCtrl1 register by providing a read_only_wordlength > flag in struct sdw_dpn_prop Applied, thanks I will send a tag, so that mark can apply the second patch for asoc Thanks -- ~Vinod
