det_cb 3773 sound/soc/codecs/wm8994.c wm1811_micdet_cb det_cb, void *det_cb_data, det_cb 3795 sound/soc/codecs/wm8994.c if (det_cb) { det_cb 3796 sound/soc/codecs/wm8994.c wm8994->micd_cb = det_cb;