On Sun, Jun 24, 2012 at 10:04:46PM -0400, Christopher Waid wrote: > I'm hoping you can help. As far as I can tell you are the current > maintainer of the cdc-acm.c driver. This code or a related piece of code I > believe needs to be updated in order to support a newer USB modem > "automatically". I'm not that familiar with what needs updating though. I'm not the cdc-acm maintainer, but I've added Oliver and linux-usb as CCs. > I'll tell you what I know and hopfully you can point me in the right > direction. We have two modems with the CX93010 chipset and different > device IDs. > > The first one with 0803:3095 works when we plug it in (on a fresh > install). There is nothing we have to really do other than start up > gnome-ppp and add the right permissions. > > The other has a device ID of 0572:1340. It also uses the CX93010 chipset. > When we plug it (on a fresh install) in gnome-ppp can't find the modem. > > On a fresh install where we first plug in 0803:3095, unplug it, and then > plug in 0572:1340 the 0572:1340 modem works. I assume that is because > something is picking up 0803:3095 and creating the proper /dev/ttyACM0. It > appears there is something more that is done though as when we ran "mknod > /dev/ttyACM0 c 166 0" it still doesn't work (I'm not sure if it should as > maybe there is more that is beind done behind the scenes or maybe this > isn't the right configuration). You shouldn't have to create any device nodes by hand. We probably just need to add a "quirk" for your new device to the cdc-acm driver. Can you post the output of "lsusb -vd 0572:1340" and perhaps also any relevant entries from the system log from when you plug in the device? Thanks, Johan > > We tested this on Ubuntu 11.10 and Trisquel 5.5 (a free-software only > distribution). > > Any help would be apprichated. > > Thank you, > > Christopher Waid > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
