On Thu, Jul 9, 2020 at 3:48 PM Sungbo Eo <mans0n@xxxxxxxxxx> wrote: > NXP PCA9570 is a 4-bit I2C GPO expander without interrupt functionality. > Its ports are controlled only by a data byte without register address. > > Datasheet: https://www.nxp.com/docs/en/data-sheet/PCA9570.pdf > Signed-off-by: Sungbo Eo <mans0n@xxxxxxxxxx> > --- > v6: > * removed client > * re-added mutex > * removed template_chip This v6 version applied, thanks to everyone who helped out reviewing this driver!! Yours, Linus Walleij