HTCHERALD_GPIO_USB_DP 523 arch/arm/mach-omap1/board-htcherald.c if (gpio_request(HTCHERALD_GPIO_USB_DP, "herald_usb") < 0) HTCHERALD_GPIO_USB_DP 538 arch/arm/mach-omap1/board-htcherald.c gpio_direction_input(HTCHERALD_GPIO_USB_DP); /* input */