>Ok, and what makes you believe this chip exposes serial ports? Why did you think CDC-ACM would work in the first place? This chipset avaible from mobile phome Mikromax x806. The phone is not android. https://market.yandex.ru/product--telefon-micromax-x806/13874918 20.08.2018, 17:27, "Johan Hovold" <johan@xxxxxxxxxx>: > A: Because it messes up the order in which people normally read text. > Q: Why is top-posting such a bad thing? > > http://daringfireball.net/2007/07/on_top > > On Mon, Aug 20, 2018 at 04:57:23PM +0300, Алексей Болдырев wrote: > >> 20.08.2018, 16:54, "Johan Hovold" <johan@xxxxxxxxxx>: >> > [ Please respond inline instead of top-posting. ] >> > >> > On Mon, Aug 20, 2018 at 04:50:25PM +0300, Алексей Болдырев wrote: >> >> 20.08.2018, 16:46, "Johan Hovold" <johan@xxxxxxxxxx>: >> >> > [ Reshuffling your reply, and responding inline below ] >> >> > >> >> > On Mon, Aug 20, 2018 at 04:27:37PM +0300, Алексей Болдырев wrote: >> >> >> > 20.08.2018, 11:42, "Johan Hovold" <johan@xxxxxxxxxx>: >> >> >> >> [ Adding linux-usb on CC. ] >> >> >> >> >> >> >> >> On Fri, Aug 17, 2018 at 10:41:20PM +0300, Алексей Болдырев wrote: >> >> >> >>> please add support to device from cdc-acm: >> >> >> >>> >> >> >> >>> Bus 004 Device 003: ID 1782:3d00 Spreadtrum Communications Inc. >> >> >> >> >> >> >> >> Can you please post the output of "lsusb -v" for this device? >> >> > >> >> >> Bus 004 Device 004: ID 1782:3d00 Spreadtrum Communications Inc. >> > >> > [...] >> > >> >> > Thanks for the details. This isn't a CDC device, so this probably needs >> >> > to be handled by a USB serial driver. What kind of device is it? Does it >> >> > have more than one port? >> >> > >> >> > Judging from the above you should get two ttyUSBx devices if you do: >> >> > >> >> > # modprobe usbserial >> >> > # echo 1782 3d00 > /sys/bus/usb-serial/drivers/generic/new_id >> >> > >> >> > as root. >> >> > >> >> > Are those two ports usable? >> > >> >> I tried to do so, but for some reason I did not answer the serial >> >> port? >> > >> > Ok, so the generic driver does not work. What kind of device is this? A >> > USB-serial adapter? >> > >> > Do you have any way of figuring out what chip is used (e.g. an FTDI or >> > pl2303 chip?), for example, by opening the device? > >> The device is mobile phone used chipset qualcomm snapdragon. > > Ok, and what makes you believe this chip exposes serial ports? Why did > you think CDC-ACM would work in the first place? > > Perhaps what you're really after is something like adb? > > Johan
