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is31fl3741: Allow changing config register (#21861)

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When not all SW pins are used, it's useful to disable those that aren't.
Can reduce audible noise.

```
Layout:
D7:D4 D3  D2:D1 D0
SWD   LGC OSDE  SSD

SWS: SWx Setting. Change how many SW pins are active
LGC: H/L Logic
SSD: Software Shutdown Control
```

Signed-off-by: Daniel Schaefer <dhs@frame.work>
This commit is contained in:
Daniel Schaefer 2023-09-01 07:20:24 +08:00 • committed by GitHub
parent 2447765181
commit 367b8e09d9
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 1 deletions
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6
drivers/led/issi/is31fl3741.c
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@ -61,6 +61,10 @@
# define ISSI_PERSISTENCE 0
#endif
#ifndef ISSI_CONFIGURATION
# define ISSI_CONFIGURATION 0x01
#endif
#ifndef ISSI_SWPULLUP
# define ISSI_SWPULLUP PUR_32KR
#endif
@ -162,7 +166,7 @@ void is31fl3741_init(uint8_t addr) {
is31fl3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
// Set to Normal operation
is31fl3741_write_register(addr, ISSI_REG_CONFIGURATION, 0x01);
is31fl3741_write_register(addr, ISSI_REG_CONFIGURATION, ISSI_CONFIGURATION);
// Set Golbal Current Control Register
is31fl3741_write_register(addr, ISSI_REG_GLOBALCURRENT, ISSI_GLOBALCURRENT);