[NiLuJe]

Never have I said that this wasn't an NTX quirk, but the fact is that the kernel begs to differ:

static void _ntx_wifi_bt_power_ctrl (int power_status)
{
	int bus;
	int iOldStatus;

	iOldStatus = gi_wifi_power_status;

	//if (14 == gptHWCFG->m_val.bCPU)	// B300
	{
		printk("Wifi / BT power control %d\n", power_status);

		if (power_status & 0x3)	{
			printk("wifi/BT power on\n");
			sunxi_wlan_set_power(1);
		} 

		/* Bluetooth power control */
		if (0 != gptHWCFG->m_val.bBT) {
			if ((power_status & 0x2) == (iOldStatus & 0x2)) {  /* Bluetooth dis status */
				printk("Bluetooth already %s.\n",(power_status & 0x2)?"on":"off");
			} else if (power_status & 0x2) {
				printk("Bluetooth On\n");
				sunxi_bluetooth_set_power(1);
				gi_wifi_power_status |= 2;
			} else {
				printk("Bluetooth Off\n");
				gi_wifi_power_status &= ~2;
			}
		}

		/* Wifi power control */
		printk(KERN_ERR"[DEBUG] power_status:%d , iOldStatus:%d \n",power_status,iOldStatus);
		if ((power_status & 0x1) == (iOldStatus & 0x1)) {  /* check Wifi status */
			printk ("Wifi already %s.\n",(power_status & 0x1)?"on":"off");
		} else if (power_status & 0x1) {
			printk("Wifi On\n");
			//gpiod_direction_output(GPIO_WIFI_RST, 1);
			gi_wifi_power_status |= 1;
		} else {
			printk("Wifi Off\n");
			gi_wifi_power_status &= ~1;
		}

		//printk("Wifi/BT bus:%d \n",bus);
		bus = sunxi_wlan_get_bus_index() ;
		if( power_status&0x3 ) {
			if ( (!!power_status) != (!!iOldStatus) ) {
				sunxi_wlan_set_dis(1);	 /* Wifi dis pull high */
				//printk("sunxi_mmc_rescan_card !!\n");
				msleep(300);
				printk(KERN_DEBUG" sunxi_mmc_rescan_card bus%d!!\n",bus);
				sunxi_mmc_rescan_card(bus);
				msleep(300);
			}
		}
		else if ( 0==power_status ) {
			if ( power_status != iOldStatus )
			{
				sunxi_wlan_set_dis(0);	/* Wifi dis pull low */
				printk(KERN_DEBUG" remove card bus%d!!\n",bus);
				sunxi_mmc_set_card_removed(bus);
				msleep(300);
			}
		}

	
		if (0 != gptHWCFG->m_val.bBT) {
			if ( !(power_status&2) )	{
				sunxi_bluetooth_set_power(0);
				//printk("bt off\n");
			}
		}

		if(0==power_status) {
			printk("wifi/bt device power off\n");
			sunxi_wlan_set_power(0);
			sunxi_mmc_set_card_removed(bus);
			msleep(300);
		}

	}
	//printk("%s() : done \n",__FUNCTION__);
}

That's the ioctl handler.

Keep in mind that I want to make the distinction between powering (hw/sw) and enabling (ui) and connecting (hw/sw/ui) very clear, as the three could theoretically be distinct.