void ssb_pmu_set_ldo_voltage()

in driver_chipcommon_pmu.c [540:588]

• 47 lines of code
• 9 McCabe index (conditional complexity)

void ssb_pmu_set_ldo_voltage(struct ssb_chipcommon *cc,
			     enum ssb_pmu_ldo_volt_id id, u32 voltage)
{
	struct ssb_bus *bus = cc->dev->bus;
	u32 addr, shift, mask;

	switch (bus->chip_id) {
	case 0x4328:
	case 0x5354:
		switch (id) {
		case LDO_VOLT1:
			addr = 2;
			shift = 25;
			mask = 0xF;
			break;
		case LDO_VOLT2:
			addr = 3;
			shift = 1;
			mask = 0xF;
			break;
		case LDO_VOLT3:
			addr = 3;
			shift = 9;
			mask = 0xF;
			break;
		case LDO_PAREF:
			addr = 3;
			shift = 17;
			mask = 0x3F;
			break;
		default:
			WARN_ON(1);
			return;
		}
		break;
	case 0x4312:
		if (WARN_ON(id != LDO_PAREF))
			return;
		addr = 0;
		shift = 21;
		mask = 0x3F;
		break;
	default:
		return;
	}

	ssb_chipco_regctl_maskset(cc, addr, ~(mask << shift),
				  (voltage & mask) << shift);
}