dev_attr_hpload_dc_r 2309 sound/soc/codecs/cs43130.c ret = device_create_file(component->dev, &dev_attr_hpload_dc_r); dev_attr_hpload_dc_r 2601 sound/soc/codecs/cs43130.c device_remove_file(&client->dev, &dev_attr_hpload_dc_r);