AW88166_MUTE_VOL
6, AW88166_MUTE_VOL, 0, aw88166_volume_get,
SOC_SINGLE_EXT("Fade Step", 0, 0, AW88166_MUTE_VOL, 0,
real_value = min((value + vol_desc->init_volume), (unsigned int)AW88166_MUTE_VOL);
for (i = AW88166_MUTE_VOL; i >= fade_in_vol; i -= fade_step) {
aw_dev_set_volume(aw_dev, AW88166_MUTE_VOL);
for (i = desc->ctl_volume; i <= AW88166_MUTE_VOL; i += fade_step) {
if (i != AW88166_MUTE_VOL) {
aw_dev_set_volume(aw_dev, AW88166_MUTE_VOL);