Hi All,

I have same question, too.
CDC-ACM works well with usbserial, but USB ADB feature gets trouble
after modprobe usbserial .

Do anyone have idea? Please help me.

Thanks,
Chihchia

On Mar 23, 6:21 pm, jagan <402ja...@gmail.com> wrote:
> Hi,
>
> I am working on Android Gingerbread kernel upgrade.
>
> I enable CONFIG_USB_ANDROID_ACM in my usb composition.
>
> Once my device is on, i enable acm gadget.
> but host not giving any device entry.
>
> once i enable acm on device, following are the notifications on my
> host pc
>
> lsmod:
> =====
> Module                  Size  Used by
> cdc_acm                16546  0
>
> dmesg:
> ======
> [13168.682752] cdc_acm 1-1.2:1.6: This device cannot do calls on its
> own. It is not a modem.
>
> $ cat /sys/kernel/debug/usb/devices
> I:* If#= 6 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=02 Prot=01 Driver=(none)
> E:  Ad=8d(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
> I:* If#= 7 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=(none)
> E:  Ad=8c(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=08(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>
> Please let me help any one.
>
> Thanks,
> Jagan

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