is31fl3741: Allow changing config register (#21861)
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>
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1 changed files with 5 additions and 1 deletions
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@ -61,6 +61,10 @@
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# define ISSI_PERSISTENCE 0
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# define ISSI_PERSISTENCE 0
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#endif
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#endif
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#ifndef ISSI_CONFIGURATION
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# define ISSI_CONFIGURATION 0x01
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#endif
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#ifndef ISSI_SWPULLUP
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#ifndef ISSI_SWPULLUP
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# define ISSI_SWPULLUP PUR_32KR
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# define ISSI_SWPULLUP PUR_32KR
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#endif
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#endif
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@ -162,7 +166,7 @@ void is31fl3741_init(uint8_t addr) {
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is31fl3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
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is31fl3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
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// Set to Normal operation
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// Set to Normal operation
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is31fl3741_write_register(addr, ISSI_REG_CONFIGURATION, 0x01);
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is31fl3741_write_register(addr, ISSI_REG_CONFIGURATION, ISSI_CONFIGURATION);
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// Set Golbal Current Control Register
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// Set Golbal Current Control Register
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is31fl3741_write_register(addr, ISSI_REG_GLOBALCURRENT, ISSI_GLOBALCURRENT);
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is31fl3741_write_register(addr, ISSI_REG_GLOBALCURRENT, ISSI_GLOBALCURRENT);
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