On Fri, Oct 12, 2018 at 12:52:13PM +0200, Tom Psyborg wrote: > is there some specific reason to read TX_PIN_CFG register on RT6352, > rather than just null it before programming in tx values like in other > chips? I don't remember the details, but Daniel explained that tere are some bits in the TX_PIN_CFG register that have to be preserved for RT6352. Regards Stanislaw