Re: [RESEND PATCH v6 2/3] leds: Add driver for the TLC5925 LED controller

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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.

JJ





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