Keeping compatibility of hardware clock of Pi 4 with earlier versions.
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@ -1218,6 +1218,11 @@ void pwmSetRange (unsigned int range)
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void pwmSetClock (int divisor)
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{
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uint32_t pwm_control ;
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if (piGpioBase == GPIO_PERI_BASE_2711)
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{
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divisor = 540*divisor/192;
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}
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divisor &= 4095 ;
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if ((wiringPiMode == WPI_MODE_PINS) || (wiringPiMode == WPI_MODE_PHYS) || (wiringPiMode == WPI_MODE_GPIO))
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