Switching Sierra MC7710 to MBIM mode

Marius Kotsbak marius at kotsbak.com
Tue Aug 19 02:54:55 PDT 2014


I'm wondering how to switch my Sierra MC7710 card to use MBIM instead of
QMI interface.

I thought it should have a separate configuration for that, but
"bNumConfigurations      1".

USB v/pid is 1199:68a2 and firmware is:

'SWI9200X_03.05.24.00ap r5792 carmd-en-10527 2013/05/02 13:35:47'

    bConfigurationValue     1
    iConfiguration          1 Sierra Configuration

mmcli reports:

           |        drivers: 'qcserial, qmi_wwan'
           |         plugin: 'Gobi'

Seems like nothing happens when I try:

echo 0 > /sys/devices/pci0000:00/0000:00:14.0/usb3/3-10/bConfigurationValue


echo 1 > /sys/devices/pci0000:00/0000:00:14.0/usb3/3-10/bConfigurationValue

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