DSMG600_PB_GPIO 193 arch/arm/mach-ixp4xx/dsmg600-setup.c if (gpio_get_value(DSMG600_PB_GPIO)) { DSMG600_PB_GPIO 256 arch/arm/mach-ixp4xx/dsmg600-setup.c gpio_request(DSMG600_PB_GPIO, "power button"); DSMG600_PB_GPIO 257 arch/arm/mach-ixp4xx/dsmg600-setup.c gpio_direction_input(DSMG600_PB_GPIO);