On 2020-07-01 06:30, Andy Shevchenko wrote:
On Tue, Jun 30, 2020 at 7:08 PM Sungbo Eo <mans0n@xxxxxxxxxx> wrote:
NXP PCA9570 is 4-bit I2C GPO expander without interrupt functionality.
Its ports are controlled only by a data byte without register address.
As there is no other driver similar enough to be adapted for it, a new
driver is introduced here.
It looks good, but I would add ->get() to return buffered value.
Thanks, your suggestion was indeed valuable. I reworked the driver,
please have a look.
