pio_pin           718 drivers/power/supply/ds2780_battery.c static DEVICE_ATTR(pio_pin, S_IRUGO | S_IWUSR, ds2780_get_pio_pin,
pio_pin           721 drivers/power/supply/ds2781_battery.c static DEVICE_ATTR(pio_pin, S_IRUGO | S_IWUSR, ds2781_get_pio_pin,