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Now that Android is moving towards ConfigFS based USB gadgets, lets enable USB_CONFIGFS and relevant Android gadget functions instead of obsolete USB_G_ANDROID composite driver which doesn't exist now. Enabled following ConfigFS gadget functions: F_FS for ADB F_MTP/PTP for MTP/PTP F_ACC for Android USB Accessory F_AUDIO_SRC for USB Audio Source F_MIDI for MIDI, and CONFIGFS_UEVENT for communicating USB state change notifications to userspace. Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
The android-*.config files in this directory are meant to be used as a base
for an Android kernel config. All devices should have the options in
android-base.config enabled. While not mandatory, the options in
android-recommended.config enable advanced Android features.
Assuming you already have a minimalist defconfig for your device, a possible
way to enable these options would be:
ARCH=<arch> scripts/kconfig/merge_config.sh <path_to>/<device>_defconfig kernel/configs/android-base.config kernel/configs/android-recommended.config
This will generate a .config that can then be used to save a new defconfig or
compile a new kernel with Android features enabled.
Because there is no tool to consistently generate these config fragments,
lets keep them alphabetically sorted instead of random.