bit_changed 123 drivers/input/keyboard/mpr121_touchkey.c unsigned long bit_changed; bit_changed 142 drivers/input/keyboard/mpr121_touchkey.c bit_changed = reg ^ mpr121->statusbits; bit_changed 144 drivers/input/keyboard/mpr121_touchkey.c for_each_set_bit(key_num, &bit_changed, mpr121->keycount) {