headphone_detect_node 48 sound/aoa/core/gpio-feature.c static struct device_node *headphone_detect_node; headphone_detect_node 253 sound/aoa/core/gpio-feature.c headphone_detect_node = get_gpio("headphone-detect", NULL, headphone_detect_node 269 sound/aoa/core/gpio-feature.c get_irq(headphone_detect_node, &headphone_detect_irq);