diff options
Diffstat (limited to 'drivers/led/issi/is31fl3737.c')
| -rw-r--r-- | drivers/led/issi/is31fl3737.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/led/issi/is31fl3737.c b/drivers/led/issi/is31fl3737.c index 0bb4ddd425..62862e0d41 100644 --- a/drivers/led/issi/is31fl3737.c +++ b/drivers/led/issi/is31fl3737.c @@ -1,6 +1,7 @@ /* Copyright 2017 Jason Williams * Copyright 2018 Jack Humbert * Copyright 2018 Yiancar + * Copyright 2021 Doni Crosby * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -56,6 +57,14 @@ # define ISSI_PERSISTENCE 0 #endif +#ifndef ISSI_SWPULLUP +# define ISSI_SWPULLUP PUR_0R +#endif + +#ifndef ISSI_CSPULLUP +# define ISSI_CSPULLUP PUR_0R +#endif + // Transfer buffer for TWITransmitData() uint8_t g_twi_transfer_buffer[20]; @@ -143,6 +152,10 @@ void IS31FL3737_init(uint8_t addr) { // Select PG3 IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION); + // Set de-ghost pull-up resistors (SWx) + IS31FL3737_write_register(addr, ISSI_REG_SWPULLUP, ISSI_SWPULLUP); + // Set de-ghost pull-down resistors (CSx) + IS31FL3737_write_register(addr, ISSI_REG_CSPULLUP, ISSI_CSPULLUP); // Set global current to maximum. IS31FL3737_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF); // Disable software shutdown. |