int vxp_add_mic_controls(vx_core_t *_chip) { struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; int err; /* mute input levels */ chip->mic_level = 0; switch (_chip->type) { case VX_TYPE_VXPOCKET: vx_set_mic_level(_chip, 0); break; case VX_TYPE_VXP440: vx_set_mic_boost(_chip, 0); break; } /* mic level */ switch (_chip->type) { case VX_TYPE_VXPOCKET: if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip))) < 0) return err; break; case VX_TYPE_VXP440: if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0) return err; break; } return 0; }
static int vx_mic_level_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) { vx_core_t *_chip = snd_kcontrol_chip(kcontrol); struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; down(&_chip->mixer_mutex); if (chip->mic_level != ucontrol->value.integer.value[0]) { vx_set_mic_level(_chip, ucontrol->value.integer.value[0]); chip->mic_level = ucontrol->value.integer.value[0]; up(&_chip->mixer_mutex); return 1; } up(&_chip->mixer_mutex); return 0; }
static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; mutex_lock(&_chip->mixer_mutex); if (chip->mic_level != ucontrol->value.integer.value[0]) { vx_set_mic_level(_chip, ucontrol->value.integer.value[0]); chip->mic_level = ucontrol->value.integer.value[0]; mutex_unlock(&_chip->mixer_mutex); return 1; } mutex_unlock(&_chip->mixer_mutex); return 0; }