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" <jo...@kernel.org>: > > [ 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" <jo...@kernel.org>: > >> > [ 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" <jo...@kernel.org>: > >> >> >> [ 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
