observed with Linaro android jellybean TI-panda builds:
https://android-build.linaro.org/builds/~linaro-android-member-ti/panda-linaro-13.09-release/#build=10
"gpio" directory there is under /sys/class
root@pandaboard:/ # ls /sys/class android_usb backlight bdi block bluetooth bsg display firmware gpio graphics i2c-adapter i2c-dev ieee80211 input lcd lirc mbox mdio_bus mem misc mmc_host net power_supply pvr rc regulator rfkill rtc scsi_device scsi_disk scsi_host sound spi_master switch thermal tiler timed_output tty udc usb_device usbmon vc video4linux vtconsole root@pandaboard:/ #
observed with Linaro android jellybean TI-panda builds:
https:/ /android- build.linaro. org/builds/ ~linaro- android- member- ti/panda- linaro- 13.09-release/ #build= 10
"gpio" directory there is under /sys/class
root@pandaboard:/ # ls /sys/class
android_usb
backlight
bdi
block
bluetooth
bsg
display
firmware
gpio
graphics
i2c-adapter
i2c-dev
ieee80211
input
lcd
lirc
mbox
mdio_bus
mem
misc
mmc_host
net
power_supply
pvr
rc
regulator
rfkill
rtc
scsi_device
scsi_disk
scsi_host
sound
spi_master
switch
thermal
tiler
timed_output
tty
udc
usb_device
usbmon
vc
video4linux
vtconsole
root@pandaboard:/ #