gpio_enable_dual_edge 247 sound/aoa/core/snd-aoa-gpio-feature.c gpio_enable_dual_edge(headphone_detect_gpio); gpio_enable_dual_edge 248 sound/aoa/core/snd-aoa-gpio-feature.c gpio_enable_dual_edge(lineout_detect_gpio); gpio_enable_dual_edge 249 sound/aoa/core/snd-aoa-gpio-feature.c gpio_enable_dual_edge(linein_detect_gpio);