w1_enable_pullup 21 drivers/w1/w1_int.c static int w1_enable_pullup = 1; w1_enable_pullup 22 drivers/w1/w1_int.c module_param_named(enable_pullup, w1_enable_pullup, int, 0); w1_enable_pullup 52 drivers/w1/w1_int.c dev->enable_pullup = w1_enable_pullup;