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140 lines
3.5 KiB
140 lines
3.5 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Driver for Digigram VXpocket soundcards |
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* |
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* VX-pocket mixer |
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* |
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* Copyright (c) 2002 by Takashi Iwai <[email protected]> |
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*/ |
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#include <sound/core.h> |
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#include <sound/control.h> |
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#include <sound/tlv.h> |
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#include "vxpocket.h" |
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#define MIC_LEVEL_MIN 0 |
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#define MIC_LEVEL_MAX 8 |
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/* |
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* mic level control (for VXPocket) |
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*/ |
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static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
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{ |
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
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uinfo->count = 1; |
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uinfo->value.integer.min = 0; |
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uinfo->value.integer.max = MIC_LEVEL_MAX; |
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return 0; |
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} |
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static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct vx_core *_chip = snd_kcontrol_chip(kcontrol); |
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struct snd_vxpocket *chip = to_vxpocket(_chip); |
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ucontrol->value.integer.value[0] = chip->mic_level; |
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return 0; |
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} |
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static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct vx_core *_chip = snd_kcontrol_chip(kcontrol); |
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struct snd_vxpocket *chip = to_vxpocket(_chip); |
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unsigned int val = ucontrol->value.integer.value[0]; |
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if (val > MIC_LEVEL_MAX) |
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return -EINVAL; |
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mutex_lock(&_chip->mixer_mutex); |
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if (chip->mic_level != ucontrol->value.integer.value[0]) { |
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vx_set_mic_level(_chip, ucontrol->value.integer.value[0]); |
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chip->mic_level = ucontrol->value.integer.value[0]; |
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mutex_unlock(&_chip->mixer_mutex); |
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return 1; |
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} |
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mutex_unlock(&_chip->mixer_mutex); |
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return 0; |
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} |
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static const DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0); |
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static const struct snd_kcontrol_new vx_control_mic_level = { |
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
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.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ), |
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.name = "Mic Capture Volume", |
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.info = vx_mic_level_info, |
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.get = vx_mic_level_get, |
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.put = vx_mic_level_put, |
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.tlv = { .p = db_scale_mic }, |
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}; |
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/* |
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* mic boost level control (for VXP440) |
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*/ |
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#define vx_mic_boost_info snd_ctl_boolean_mono_info |
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static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct vx_core *_chip = snd_kcontrol_chip(kcontrol); |
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struct snd_vxpocket *chip = to_vxpocket(_chip); |
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ucontrol->value.integer.value[0] = chip->mic_level; |
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return 0; |
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} |
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static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct vx_core *_chip = snd_kcontrol_chip(kcontrol); |
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struct snd_vxpocket *chip = to_vxpocket(_chip); |
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int val = !!ucontrol->value.integer.value[0]; |
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mutex_lock(&_chip->mixer_mutex); |
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if (chip->mic_level != val) { |
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vx_set_mic_boost(_chip, val); |
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chip->mic_level = val; |
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mutex_unlock(&_chip->mixer_mutex); |
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return 1; |
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} |
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mutex_unlock(&_chip->mixer_mutex); |
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return 0; |
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} |
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static const struct snd_kcontrol_new vx_control_mic_boost = { |
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
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.name = "Mic Boost", |
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.info = vx_mic_boost_info, |
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.get = vx_mic_boost_get, |
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.put = vx_mic_boost_put, |
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}; |
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int vxp_add_mic_controls(struct vx_core *_chip) |
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{ |
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struct snd_vxpocket *chip = to_vxpocket(_chip); |
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int err; |
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/* mute input levels */ |
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chip->mic_level = 0; |
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switch (_chip->type) { |
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case VX_TYPE_VXPOCKET: |
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vx_set_mic_level(_chip, 0); |
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break; |
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case VX_TYPE_VXP440: |
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vx_set_mic_boost(_chip, 0); |
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break; |
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} |
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/* mic level */ |
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switch (_chip->type) { |
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case VX_TYPE_VXPOCKET: |
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err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip)); |
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if (err < 0) |
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return err; |
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break; |
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case VX_TYPE_VXP440: |
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err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip)); |
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if (err < 0) |
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return err; |
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break; |
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} |
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return 0; |
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} |
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