static int sm5502_muic_set_path()

in extcon-sm5502.c [306:358]

• 49 lines of code
• 12 McCabe index (conditional complexity)

static int sm5502_muic_set_path(struct sm5502_muic_info *info,
				unsigned int con_sw, unsigned int vbus_sw,
				bool attached)
{
	int ret;

	if (!attached) {
		con_sw	= DM_DP_SWITCH_OPEN;
		vbus_sw	= VBUSIN_SWITCH_OPEN;
	}

	switch (con_sw) {
	case DM_DP_SWITCH_OPEN:
	case DM_DP_SWITCH_USB:
	case DM_DP_SWITCH_AUDIO:
	case DM_DP_SWITCH_UART:
		ret = regmap_update_bits(info->regmap, SM5502_REG_MANUAL_SW1,
					 SM5502_REG_MANUAL_SW1_DP_MASK |
					 SM5502_REG_MANUAL_SW1_DM_MASK,
					 con_sw);
		if (ret < 0) {
			dev_err(info->dev,
				"cannot update DM_CON/DP_CON switch\n");
			return ret;
		}
		break;
	default:
		dev_err(info->dev, "Unknown DM_CON/DP_CON switch type (%d)\n",
				con_sw);
		return -EINVAL;
	}

	switch (vbus_sw) {
	case VBUSIN_SWITCH_OPEN:
	case VBUSIN_SWITCH_VBUSOUT:
	case VBUSIN_SWITCH_MIC:
	case VBUSIN_SWITCH_VBUSOUT_WITH_USB:
		ret = regmap_update_bits(info->regmap, SM5502_REG_MANUAL_SW1,
					 SM5502_REG_MANUAL_SW1_VBUSIN_MASK,
					 vbus_sw);
		if (ret < 0) {
			dev_err(info->dev,
				"cannot update VBUSIN switch\n");
			return ret;
		}
		break;
	default:
		dev_err(info->dev, "Unknown VBUS switch type (%d)\n", vbus_sw);
		return -EINVAL;
	}

	return 0;
}