dev_attr_idle_state 393 drivers/i2c/muxes/i2c-mux-pca954x.c device_remove_file(&client->dev, &dev_attr_idle_state); dev_attr_idle_state 506 drivers/i2c/muxes/i2c-mux-pca954x.c device_create_file(dev, &dev_attr_idle_state);