diff options
Diffstat (limited to 'sound/pci/ac97')
| -rw-r--r-- | sound/pci/ac97/Makefile | 3 | ||||
| -rw-r--r-- | sound/pci/ac97/ak4531_codec.c | 508 |
2 files changed, 0 insertions, 511 deletions
diff --git a/sound/pci/ac97/Makefile b/sound/pci/ac97/Makefile index ae36950f2568..41fa322f0971 100644 --- a/sound/pci/ac97/Makefile +++ b/sound/pci/ac97/Makefile @@ -6,8 +6,5 @@ snd-ac97-codec-y := ac97_codec.o ac97_pcm.o snd-ac97-codec-$(CONFIG_PROC_FS) += ac97_proc.o -snd-ak4531-codec-objs := ak4531_codec.o - # Toplevel Module Dependency obj-$(CONFIG_SND_AC97_CODEC) += snd-ac97-codec.o -obj-$(CONFIG_SND_ENS1370) += snd-ak4531-codec.o diff --git a/sound/pci/ac97/ak4531_codec.c b/sound/pci/ac97/ak4531_codec.c deleted file mode 100644 index c0c1633999ea..000000000000 --- a/sound/pci/ac97/ak4531_codec.c +++ /dev/null @@ -1,508 +0,0 @@ -/* - * Copyright (c) by Jaroslav Kysela <perex@perex.cz> - * Universal routines for AK4531 codec - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/mutex.h> - -#include <sound/core.h> -#include <sound/ak4531_codec.h> -#include <sound/tlv.h> - -MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); -MODULE_DESCRIPTION("Universal routines for AK4531 codec"); -MODULE_LICENSE("GPL"); - -#ifdef CONFIG_PROC_FS -static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531); -#else -#define snd_ak4531_proc_init(card,ak) -#endif - -/* - * - */ - -#if 0 - -static void snd_ak4531_dump(struct snd_ak4531 *ak4531) -{ - int idx; - - for (idx = 0; idx < 0x19; idx++) - printk("ak4531 0x%x: 0x%x\n", idx, ak4531->regs[idx]); -} - -#endif - -/* - * - */ - -#define AK4531_SINGLE(xname, xindex, reg, shift, mask, invert) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ - .info = snd_ak4531_info_single, \ - .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \ - .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22) } -#define AK4531_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ - .name = xname, .index = xindex, \ - .info = snd_ak4531_info_single, \ - .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \ - .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22), \ - .tlv = { .p = (xtlv) } } - -static int snd_ak4531_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - int mask = (kcontrol->private_value >> 24) & 0xff; - - uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = mask; - return 0; -} - -static int snd_ak4531_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 16) & 0x07; - int mask = (kcontrol->private_value >> 24) & 0xff; - int invert = (kcontrol->private_value >> 22) & 1; - int val; - - mutex_lock(&ak4531->reg_mutex); - val = (ak4531->regs[reg] >> shift) & mask; - mutex_unlock(&ak4531->reg_mutex); - if (invert) { - val = mask - val; - } - ucontrol->value.integer.value[0] = val; - return 0; -} - -static int snd_ak4531_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 16) & 0x07; - int mask = (kcontrol->private_value >> 24) & 0xff; - int invert = (kcontrol->private_value >> 22) & 1; - int change; - int val; - - val = ucontrol->value.integer.value[0] & mask; - if (invert) { - val = mask - val; - } - val <<= shift; - mutex_lock(&ak4531->reg_mutex); - val = (ak4531->regs[reg] & ~(mask << shift)) | val; - change = val != ak4531->regs[reg]; - ak4531->write(ak4531, reg, ak4531->regs[reg] = val); - mutex_unlock(&ak4531->reg_mutex); - return change; -} - -#define AK4531_DOUBLE(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ - .info = snd_ak4531_info_double, \ - .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \ - .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22) } -#define AK4531_DOUBLE_TLV(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert, xtlv) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ - .name = xname, .index = xindex, \ - .info = snd_ak4531_info_double, \ - .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \ - .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22), \ - .tlv = { .p = (xtlv) } } - -static int snd_ak4531_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - int mask = (kcontrol->private_value >> 24) & 0xff; - - uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 2; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = mask; - return 0; -} - -static int snd_ak4531_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); - int left_reg = kcontrol->private_value & 0xff; - int right_reg = (kcontrol->private_value >> 8) & 0xff; - int left_shift = (kcontrol->private_value >> 16) & 0x07; - int right_shift = (kcontrol->private_value >> 19) & 0x07; - int mask = (kcontrol->private_value >> 24) & 0xff; - int invert = (kcontrol->private_value >> 22) & 1; - int left, right; - - mutex_lock(&ak4531->reg_mutex); - left = (ak4531->regs[left_reg] >> left_shift) & mask; - right = (ak4531->regs[right_reg] >> right_shift) & mask; - mutex_unlock(&ak4531->reg_mutex); - if (invert) { - left = mask - left; - right = mask - right; - } - ucontrol->value.integer.value[0] = left; - ucontrol->value.integer.value[1] = right; - return 0; -} - -static int snd_ak4531_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); - int left_reg = kcontrol->private_value & 0xff; - int right_reg = (kcontrol->private_value >> 8) & 0xff; - int left_shift = (kcontrol->private_value >> 16) & 0x07; - int right_shift = (kcontrol->private_value >> 19) & 0x07; - int mask = (kcontrol->private_value >> 24) & 0xff; - int invert = (kcontrol->private_value >> 22) & 1; - int change; - int left, right; - - left = ucontrol->value.integer.value[0] & mask; - right = ucontrol->value.integer.value[1] & mask; - if (invert) { - left = mask - left; - right = mask - right; - } - left <<= left_shift; - right <<= right_shift; - mutex_lock(&ak4531->reg_mutex); - if (left_reg == right_reg) { - left = (ak4531->regs[left_reg] & ~((mask << left_shift) | (mask << right_shift))) | left | right; - change = left != ak4531->regs[left_reg]; - ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left); - } else { - left = (ak4531->regs[left_reg] & ~(mask << left_shift)) | left; - right = (ak4531->regs[right_reg] & ~(mask << right_shift)) | right; - change = left != ak4531->regs[left_reg] || right != ak4531->regs[right_reg]; - ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left); - ak4531->write(ak4531, right_reg, ak4531->regs[right_reg] = right); - } - mutex_unlock(&ak4531->reg_mutex); - return change; -} - -#define AK4531_INPUT_SW(xname, xindex, reg1, reg2, left_shift, right_shift) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ - .info = snd_ak4531_info_input_sw, \ - .get = snd_ak4531_get_input_sw, .put = snd_ak4531_put_input_sw, \ - .private_value = reg1 | (reg2 << 8) | (left_shift << 16) | (right_shift << 24) } - -static int snd_ak4531_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; - uinfo->count = 4; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = 1; - return 0; -} - -static int snd_ak4531_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); - int reg1 = kcontrol->private_value & 0xff; - int reg2 = (kcontrol->private_value >> 8) & 0xff; - int left_shift = (kcontrol->private_value >> 16) & 0x0f; - int right_shift = (kcontrol->private_value >> 24) & 0x0f; - - mutex_lock(&ak4531->reg_mutex); - ucontrol->value.integer.value[0] = (ak4531->regs[reg1] >> left_shift) & 1; - ucontrol->value.integer.value[1] = (ak4531->regs[reg2] >> left_shift) & 1; - ucontrol->value.integer.value[2] = (ak4531->regs[reg1] >> right_shift) & 1; - ucontrol->value.integer.value[3] = (ak4531->regs[reg2] >> right_shift) & 1; - mutex_unlock(&ak4531->reg_mutex); - return 0; -} - -static int snd_ak4531_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); - int reg1 = kcontrol->private_value & 0xff; - int reg2 = (kcontrol->private_value >> 8) & 0xff; - int left_shift = (kcontrol->private_value >> 16) & 0x0f; - int right_shift = (kcontrol->private_value >> 24) & 0x0f; - int change; - int val1, val2; - - mutex_lock(&ak4531->reg_mutex); - val1 = ak4531->regs[reg1] & ~((1 << left_shift) | (1 << right_shift)); - val2 = ak4531->regs[reg2] & ~((1 << left_shift) | (1 << right_shift)); - val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift; - val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift; - val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift; - val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift; - change = val1 != ak4531->regs[reg1] || val2 != ak4531->regs[reg2]; - ak4531->write(ak4531, reg1, ak4531->regs[reg1] = val1); - ak4531->write(ak4531, reg2, ak4531->regs[reg2] = val2); - mutex_unlock(&ak4531->reg_mutex); - return change; -} - -static const DECLARE_TLV_DB_SCALE(db_scale_master, -6200, 200, 0); -static const DECLARE_TLV_DB_SCALE(db_scale_mono, -2800, 400, 0); -static const DECLARE_TLV_DB_SCALE(db_scale_input, -5000, 200, 0); - -static struct snd_kcontrol_new snd_ak4531_controls[] = { - -AK4531_DOUBLE_TLV("Master Playback Switch", 0, - AK4531_LMASTER, AK4531_RMASTER, 7, 7, 1, 1, - db_scale_master), -AK4531_DOUBLE("Master Playback Volume", 0, AK4531_LMASTER, AK4531_RMASTER, 0, 0, 0x1f, 1), - -AK4531_SINGLE_TLV("Master Mono Playback Switch", 0, AK4531_MONO_OUT, 7, 1, 1, - db_scale_mono), -AK4531_SINGLE("Master Mono Playback Volume", 0, AK4531_MONO_OUT, 0, 0x07, 1), - -AK4531_DOUBLE("PCM Switch", 0, AK4531_LVOICE, AK4531_RVOICE, 7, 7, 1, 1), -AK4531_DOUBLE_TLV("PCM Volume", 0, AK4531_LVOICE, AK4531_RVOICE, 0, 0, 0x1f, 1, - db_scale_input), -AK4531_DOUBLE("PCM Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 3, 2, 1, 0), -AK4531_DOUBLE("PCM Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 2, 2, 1, 0), - -AK4531_DOUBLE("PCM Switch", 1, AK4531_LFM, AK4531_RFM, 7, 7, 1, 1), -AK4531_DOUBLE_TLV("PCM Volume", 1, AK4531_LFM, AK4531_RFM, 0, 0, 0x1f, 1, - db_scale_input), -AK4531_DOUBLE("PCM Playback Switch", 1, AK4531_OUT_SW1, AK4531_OUT_SW1, 6, 5, 1, 0), -AK4531_INPUT_SW("PCM Capture Route", 1, AK4531_LIN_SW1, AK4531_RIN_SW1, 6, 5), - -AK4531_DOUBLE("CD Switch", 0, AK4531_LCD, AK4531_RCD, 7, 7, 1, 1), -AK4531_DOUBLE_TLV("CD Volume", 0, AK4531_LCD, AK4531_RCD, 0, 0, 0x1f, 1, - db_scale_input), -AK4531_DOUBLE("CD Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 2, 1, 1, 0), -AK4531_INPUT_SW("CD Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 2, 1), - -AK4531_DOUBLE("Line Switch", 0, AK4531_LLINE, AK4531_RLINE, 7, 7, 1, 1), -AK4531_DOUBLE_TLV("Line Volume", 0, AK4531_LLINE, AK4531_RLINE, 0, 0, 0x1f, 1, - db_scale_input), -AK4531_DOUBLE("Line Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 4, 3, 1, 0), -AK4531_INPUT_SW("Line Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 4, 3), - -AK4531_DOUBLE("Aux Switch", 0, AK4531_LAUXA, AK4531_RAUXA, 7, 7, 1, 1), -AK4531_DOUBLE_TLV("Aux Volume", 0, AK4531_LAUXA, AK4531_RAUXA, 0, 0, 0x1f, 1, - db_scale_input), -AK4531_DOUBLE("Aux Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 5, 4, 1, 0), -AK4531_INPUT_SW("Aux Capture Route", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 4, 3), - -AK4531_SINGLE("Mono Switch", 0, AK4531_MONO1, 7, 1, 1), -AK4531_SINGLE_TLV("Mono Volume", 0, AK4531_MONO1, 0, 0x1f, 1, db_scale_input), -AK4531_SINGLE("Mono Playback Switch", 0, AK4531_OUT_SW2, 0, 1, 0), -AK4531_DOUBLE("Mono Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 0, 0, 1, 0), - -AK4531_SINGLE("Mono Switch", 1, AK4531_MONO2, 7, 1, 1), -AK4531_SINGLE_TLV("Mono Volume", 1, AK4531_MONO2, 0, 0x1f, 1, db_scale_input), -AK4531_SINGLE("Mono Playback Switch", 1, AK4531_OUT_SW2, 1, 1, 0), -AK4531_DOUBLE("Mono Capture Switch", 1, AK4531_LIN_SW2, AK4531_RIN_SW2, 1, 1, 1, 0), - -AK4531_SINGLE_TLV("Mic Volume", 0, AK4531_MIC, 0, 0x1f, 1, db_scale_input), -AK4531_SINGLE("Mic Switch", 0, AK4531_MIC, 7, 1, 1), -AK4531_SINGLE("Mic Playback Switch", 0, AK4531_OUT_SW1, 0, 1, 0), -AK4531_DOUBLE("Mic Capture Switch", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 0, 0, 1, 0), - -AK4531_DOUBLE("Mic Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 7, 7, 1, 0), -AK4531_DOUBLE("Mono1 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 6, 6, 1, 0), -AK4531_DOUBLE("Mono2 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 5, 5, 1, 0), - -AK4531_SINGLE("AD Input Select", 0, AK4531_AD_IN, 0, 1, 0), -AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0) -}; - -static int snd_ak4531_free(struct snd_ak4531 *ak4531) -{ - if (ak4531) { - if (ak4531->private_free) - ak4531->private_free(ak4531); - kfree(ak4531); - } - return 0; -} - -static int snd_ak4531_dev_free(struct snd_device *device) -{ - struct snd_ak4531 *ak4531 = device->device_data; - return snd_ak4531_free(ak4531); -} - -static u8 snd_ak4531_initial_map[0x19 + 1] = { - 0x9f, /* 00: Master Volume Lch */ - 0x9f, /* 01: Master Volume Rch */ - 0x9f, /* 02: Voice Volume Lch */ - 0x9f, /* 03: Voice Volume Rch */ - 0x9f, /* 04: FM Volume Lch */ - 0x9f, /* 05: FM Volume Rch */ - 0x9f, /* 06: CD Audio Volume Lch */ - 0x9f, /* 07: CD Audio Volume Rch */ - 0x9f, /* 08: Line Volume Lch */ - 0x9f, /* 09: Line Volume Rch */ - 0x9f, /* 0a: Aux Volume Lch */ - 0x9f, /* 0b: Aux Volume Rch */ - 0x9f, /* 0c: Mono1 Volume */ - 0x9f, /* 0d: Mono2 Volume */ - 0x9f, /* 0e: Mic Volume */ - 0x87, /* 0f: Mono-out Volume */ - 0x00, /* 10: Output Mixer SW1 */ - 0x00, /* 11: Output Mixer SW2 */ - 0x00, /* 12: Lch Input Mixer SW1 */ - 0x00, /* 13: Rch Input Mixer SW1 */ - 0x00, /* 14: Lch Input Mixer SW2 */ - 0x00, /* 15: Rch Input Mixer SW2 */ - 0x00, /* 16: Reset & Power Down */ - 0x00, /* 17: Clock Select */ - 0x00, /* 18: AD Input Select */ - 0x01 /* 19: Mic Amp Setup */ -}; - -int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531, - struct snd_ak4531 **rak4531) -{ - unsigned int idx; - int err; - struct snd_ak4531 *ak4531; - static struct snd_device_ops ops = { - .dev_free = snd_ak4531_dev_free, - }; - - snd_assert(rak4531 != NULL, return -EINVAL); - *rak4531 = NULL; - snd_assert(card != NULL && _ak4531 != NULL, return -EINVAL); - ak4531 = kzalloc(sizeof(*ak4531), GFP_KERNEL); - if (ak4531 == NULL) - return -ENOMEM; - *ak4531 = *_ak4531; - mutex_init(&ak4531->reg_mutex); - if ((err = snd_component_add(card, "AK4531")) < 0) { - snd_ak4531_free(ak4531); - return err; - } - strcpy(card->mixername, "Asahi Kasei AK4531"); - ak4531->write(ak4531, AK4531_RESET, 0x03); /* no RST, PD */ - udelay(100); - ak4531->write(ak4531, AK4531_CLOCK, 0x00); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */ - for (idx = 0; idx <= 0x19; idx++) { - if (idx == AK4531_RESET || idx == AK4531_CLOCK) - continue; - ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]); /* recording source is mixer */ - } - for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) { - snd_ak4531_free(ak4531); - return err; - } - } - snd_ak4531_proc_init(card, ak4531); - if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) { - snd_ak4531_free(ak4531); - return err; - } - -#if 0 - snd_ak4531_dump(ak4531); -#endif - *rak4531 = ak4531; - return 0; -} - -/* - * power management - */ -#ifdef CONFIG_PM -void snd_ak4531_suspend(struct snd_ak4531 *ak4531) -{ - /* mute */ - ak4531->write(ak4531, AK4531_LMASTER, 0x9f); - ak4531->write(ak4531, AK4531_RMASTER, 0x9f); - /* powerdown */ - ak4531->write(ak4531, AK4531_RESET, 0x01); -} - -void snd_ak4531_resume(struct snd_ak4531 *ak4531) -{ - int idx; - - /* initialize */ - ak4531->write(ak4531, AK4531_RESET, 0x03); - udelay(100); - ak4531->write(ak4531, AK4531_CLOCK, 0x00); - /* restore mixer registers */ - for (idx = 0; idx <= 0x19; idx++) { - if (idx == AK4531_RESET || idx == AK4531_CLOCK) - continue; - ak4531->write(ak4531, idx, ak4531->regs[idx]); - } -} -#endif - -#ifdef CONFIG_PROC_FS -/* - * /proc interface - */ - -static void snd_ak4531_proc_read(struct snd_info_entry *entry, - struct snd_info_buffer *buffer) -{ - struct snd_ak4531 *ak4531 = entry->private_data; - - snd_iprintf(buffer, "Asahi Kasei AK4531\n\n"); - snd_iprintf(buffer, "Recording source : %s\n" - "MIC gain : %s\n", - ak4531->regs[AK4531_AD_IN] & 1 ? "external" : "mixer", - ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB"); -} - -static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531) -{ - struct snd_info_entry *entry; - - if (! snd_card_proc_new(card, "ak4531", &entry)) - snd_info_set_text_ops(entry, ak4531, snd_ak4531_proc_read); -} -#endif - -EXPORT_SYMBOL(snd_ak4531_mixer); -#ifdef CONFIG_PM -EXPORT_SYMBOL(snd_ak4531_suspend); -EXPORT_SYMBOL(snd_ak4531_resume); -#endif - -/* - * INIT part - */ - -static int __init alsa_ak4531_init(void) -{ - return 0; -} - -static void __exit alsa_ak4531_exit(void) -{ -} - -module_init(alsa_ak4531_init) -module_exit(alsa_ak4531_exit) |