struct snd_kcontrol *playback_mixer_ctls[HDSPM_MAX_CHANNELS];
/* but input to much, so not used */
struct snd_kcontrol *input_mixer_ctls[HDSPM_MAX_CHANNELS];
struct snd_kcontrol *playback_mixer_ctls[HDSPM_MAX_CHANNELS];
/* but input to much, so not used */
struct snd_kcontrol *input_mixer_ctls[HDSPM_MAX_CHANNELS];