add EC20 's Vendor ID and Product ID in option_ids[] of drivers/u***/serial/option.c
USB_DEVICE(0x05c6, 0x9215);
1.3 USB Driver Configure
Device Drivers --->
USB support --->
<*> USB Modem (CDC ACM) suppor
1.4 PPP Configure
Device Drivers --->
Network device support --->
<*> PPP (point-to-point protocol) support
<*> PPP support for async serial ports
<*> PPP support for sync tty ports
<*> PPP Deflate compression
service ril-daemon /system/bin/rild -l /system/lib/libreference-ril.so
class main
socket rild stream 660 root radio
socket rild-debug stream 666 radio system
user root
group radio cache inet misc audio sdcard_rw log
logcat -b radio
//出现以下错误提示
D/RIL_RK_DATA_V3.5( 169): Found a device, get id
D/use-Rlog/RLOG-RIL_RK_DATA_V3.5( 169): device path: /sys/devices/ff540000.u***/u***3/3-1/3-1.4/3-1.4:1.0/ttyUSB0/tty/ttyUSB0
D/RIL_RK_DATA_V3.5( 169): USB device path: /sys/devices/ff540000.u***/u***3/3-1/3-1.4
D/RIL_RK_DATA_V3.5( 169): TTY Device Vendor path: /sys/devices/ff540000.u***/u***3/3-1/3-1.4/idVendor
D/RIL_RK_DATA_V3.5( 169): TTY Device Product path: /sys/devices/ff540000.u***/u***3/3-1/3-1.4/idProduct
D/RIL_RK_DATA_V3.5( 169): tty Device id is: 05C6/9215
D/RIL_RK_DATA_V3.5( 169): Searching modem table...
D/use-Rlog/RLOG-RIL_RK_DATA_V3.5( 169): [matchModem]: match model count=0
E/use-Rlog/RLOG-RIL_RK_DATA_V3.5( 169): E: Not support modem!!!!
add EC20 's Vendor ID and Product ID in option_ids[] of drivers/u***/serial/option.c
USB_DEVICE(0x05c6, 0x9215);
1.3 USB Driver Configure
Device Drivers --->
USB support --->
<*> USB Modem (CDC ACM) suppor
1.4 PPP Configure
Device Drivers --->
Network device support --->
<*> PPP (point-to-point protocol) support
<*> PPP support for async serial ports
<*> PPP support for sync tty ports
<*> PPP Deflate compression
service ril-daemon /system/bin/rild -l /system/lib/libreference-ril.so
class main
socket rild stream 660 root radio
socket rild-debug stream 666 radio system
user root
group radio cache inet misc audio sdcard_rw log
logcat -b radio
//出现以下错误提示
D/RIL_RK_DATA_V3.5( 169): Found a device, get id
D/use-Rlog/RLOG-RIL_RK_DATA_V3.5( 169): device path: /sys/devices/ff540000.u***/u***3/3-1/3-1.4/3-1.4:1.0/ttyUSB0/tty/ttyUSB0
D/RIL_RK_DATA_V3.5( 169): USB device path: /sys/devices/ff540000.u***/u***3/3-1/3-1.4
D/RIL_RK_DATA_V3.5( 169): TTY Device Vendor path: /sys/devices/ff540000.u***/u***3/3-1/3-1.4/idVendor
D/RIL_RK_DATA_V3.5( 169): TTY Device Product path: /sys/devices/ff540000.u***/u***3/3-1/3-1.4/idProduct
D/RIL_RK_DATA_V3.5( 169): tty Device id is: 05C6/9215
D/RIL_RK_DATA_V3.5( 169): Searching modem table...
D/use-Rlog/RLOG-RIL_RK_DATA_V3.5( 169): [matchModem]: match model count=0
E/use-Rlog/RLOG-RIL_RK_DATA_V3.5( 169): E: Not support modem!!!!