Connect USB peripherals to your Galaxy Nexus (aka. i9250)

Kernel and modules

• Download binaries…
  • .ko
  • zImage with my patch to control charging while in USB host mode:
    echo "1" > /sys/devices/tuna_otg/charge_sel
  • boot.img-ramdisk_sonic.gz with ro.secure=0
• …or build from source
  
  • git clone https://android.googlesource.com/platform/prebuilt
  • git clone https://android.googlesource.com/kernel/omap.git
    cd omap
    git checkout 9f818de
    
  • wget "http://sven.killig.de/android/Galaxy/i9250/usb_host/config" -O .config
    
  • export DST=/install_mod_path
    make -j2 ARCH=arm SUBARCH=arm CROSS_COMPILE=../prebuilt/linux-x86/toolchain/arm-eabi-4.4.3/bin/arm-eabi- modules
    make -j2 ARCH=arm SUBARCH=arm CROSS_COMPILE=../prebuilt/linux-x86/toolchain/arm-eabi-4.4.3/bin/arm-eabi- INSTALL_MOD_PATH=$DST modules_install
    rm $DST/lib/modules/*/build
    rm $DST/lib/modules/*/source
    
• adb push $DST /mnt/sdcard
• fastboot flash:raw boot zImage boot.img-ramdisk_sonic.gz

HID input devices

USB storage

Ethernet (ASIX based)

• Work out of the box

External displays

• Script to load modules

DVB/ATSC digital TV receivers (including RTL2832U with my patch)

• If firmware is required:
  • adb push dvb-usb-dib0700-1.20.fw /sdcard/lib/firmware/dvb-usb-dib0700-1.20.fw
    
  • su
    mount -o remount,rw /dev/block/platform/omap/omap_hsmmc.0/by-name/system /system
    ln -s /sdcard/lib/firmware/dvb-usb-dib0700-1.20.fw /vendor/firmware/dvb-usb-dib0700-1.20.fw
    mount -o remount,ro /dev/block/platform/omap/omap_hsmmc.0/by-name/system /system
    
• Script to load modules (autostarted from /data/local/bin by LiveTV, which is autostarted when the USB receiver is plugged in)