On Thu 2022-08-04 22:23:00, Jean-Jacques Hiblot wrote: > On 31/07/2022 21:28, Andy Shevchenko wrote: > > On Fri, Jul 22, 2022 at 10:14 AM Jean-Jacques Hiblot > > <jjhiblot@xxxxxxxxxxxxxxx> wrote: > > > The TLC5925 is a 16-channels constant-current LED sink driver. > > > It is controlled via SPI but doesn't offer a register-based interface. > > > Instead it contains a shift register and latches that convert the > > > serial input into a parallel output. > > > > > > Datasheet: https://www.ti.com/lit/ds/symlink/tlc5925.pdf > > > Signed-off-by: Jean-Jacques Hiblot <jjhiblot@xxxxxxxxxxxxxxx> > > > Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > > Sorry for my slowpokeness, but I just realized that this driver may > > not be needed. What is the difference to existing gpio-74x164? > > It might work. However it might not be as practical and efficient as the > dedicated LED driver. > > I'll give a try. It is certainly preffered solution. If you decide to re-submit the driver anyway, please mention that we already have GPIO driver for compatible chip, and explain why this is superior. Thanks, Pavel -- People of Russia, stop Putin before his war on Ukraine escalates.
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