** Description changed: [ Impact ] * Add a service to make mbim-cli be able to send AT command to Compal - WWAN module for FCC unlock + WWAN module DW5826e [ Test Plan ] * On the platform with Compal SDX12 WWAN module with ID: usb:v413Cp8217 usb:v413Cp8218 - * Install Compal's WWAN services which is maintained in https://github.com/palcomwireless/linux_pkgs - * The service can finish FCC unlock with patched libmbim successfully after system boot up - * The Modem can work with Internet access after valid SIM is inserted + * Try command $ sudo mbimcli -d /dev/cdc-wdm0 -p --compal-query-at-command=AT + * Output: + AT + OK + * Without the patch it will show + error: Unknown options --compal-query-at-command=AT [ Where problems could occur ] * It adds new mbim service for supporting Compal module, there is no existing service modification. * The mbim relies on transaction task to handle sending AT command to the modem. It will send the command asynchronously, if there is a bug or - system issue in GLib, the AT command may not send to modem successfully, - and the modem won't work. + system issue in GLib, the AT command may not send to modem successfully. [ Other Info ] * Upstream commit: https://gitlab.freedesktop.org/mobile- broadband/libmbim/-/commit/c275e4f1422291b933464880c37bd9cfd14b5bca
** Description changed: [ Impact ] * Add a service to make mbim-cli be able to send AT command to Compal WWAN module DW5826e [ Test Plan ] * On the platform with Compal SDX12 WWAN module with ID: usb:v413Cp8217 usb:v413Cp8218 - * Try command $ sudo mbimcli -d /dev/cdc-wdm0 -p --compal-query-at-command=AT + * Open terminal + * Try command $ sudo mbimcli -d /dev/cdc-wdm0 -p --compal-query-at-command=AT * Output: - AT - OK + AT + OK * Without the patch it will show - error: Unknown options --compal-query-at-command=AT + error: Unknown options --compal-query-at-command=AT [ Where problems could occur ] * It adds new mbim service for supporting Compal module, there is no existing service modification. * The mbim relies on transaction task to handle sending AT command to the modem. It will send the command asynchronously, if there is a bug or system issue in GLib, the AT command may not send to modem successfully. [ Other Info ] * Upstream commit: https://gitlab.freedesktop.org/mobile- broadband/libmbim/-/commit/c275e4f1422291b933464880c37bd9cfd14b5bca -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2071877 Title: Support sending AT commnad by mbim-cli for Compal WWAN module To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/2071877/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
