cur_vol 391 sound/soc/sh/siu_dai.c u32 cur_vol; cur_vol 408 sound/soc/sh/siu_dai.c cur_vol = port_info->playback.volume; cur_vol 414 sound/soc/sh/siu_dai.c cur_vol = port_info->capture.volume; cur_vol 424 sound/soc/sh/siu_dai.c if (cur_vol != new_vol)