struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
int index = kcontrol->private_value;
struct awacs_amp *amp = chip->mixer_data;
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
int index = kcontrol->private_value;
struct awacs_amp *amp = chip->mixer_data;