Using the voice firmware on a mc7304 the modem stopped accepting qmi messages on the second cdc-wdm interface. --- plugins/udevng.c | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/plugins/udevng.c b/plugins/udevng.c index aa28bcb8911e..1e716a60334b 100644 --- a/plugins/udevng.c +++ b/plugins/udevng.c @@ -267,12 +267,28 @@ static gboolean setup_sierra(struct modem_info *modem) app = info->devnode; else if (g_strcmp0(info->number, "07") == 0) net = info->devnode; - else if (g_strcmp0(info->number, "0a") == 0) { - if (g_strcmp0(info->subsystem, "net") == 0) + else if (g_strcmp0(info->subsystem, "net") == 0) { + /* + * When using the voice firmware on a mc7304 + * the second cdc-wdm interface doesn't handle + * qmi messages properly. + * Some modems still have a working second + * cdc-wdm interface, some are not. But always + * the first interface works. + */ + if (g_strcmp0(info->number, "08") == 0) { net = info->devnode; - else if (g_strcmp0(info->subsystem, - "usbmisc") == 0) + } else if (g_strcmp0(info->number, "0a") == 0) { + if (net == NULL) + net = info->devnode; + } + } else if (g_strcmp0(info->subsystem, "usbmisc") == 0) { + if (g_strcmp0(info->number, "08") == 0) { qmi = info->devnode; + } else if (g_strcmp0(info->number, "0a") == 0) { + if (qmi == NULL) + qmi = info->devnode; + } } } } -- 2.14.1