wm8731.c (cea82d8af3986508a05949cfbb6ad8e99ffc15eb) wm8731.c (a51ff30f45473a80f78b2572666473887e010d91)
1/*
2 * wm8731.c -- WM8731 ALSA SoC Audio driver
3 *
4 * Copyright 2005 Openedhand Ltd.
5 * Copyright 2006-12 Wolfson Microelectronics, plc
6 *
7 * Author: Richard Purdie <richard@openedhand.com>
8 *

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19#include <linux/delay.h>
20#include <linux/pm.h>
21#include <linux/i2c.h>
22#include <linux/slab.h>
23#include <linux/regmap.h>
24#include <linux/regulator/consumer.h>
25#include <linux/spi/spi.h>
26#include <linux/of_device.h>
1/*
2 * wm8731.c -- WM8731 ALSA SoC Audio driver
3 *
4 * Copyright 2005 Openedhand Ltd.
5 * Copyright 2006-12 Wolfson Microelectronics, plc
6 *
7 * Author: Richard Purdie <richard@openedhand.com>
8 *

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19#include <linux/delay.h>
20#include <linux/pm.h>
21#include <linux/i2c.h>
22#include <linux/slab.h>
23#include <linux/regmap.h>
24#include <linux/regulator/consumer.h>
25#include <linux/spi/spi.h>
26#include <linux/of_device.h>
27#include <linux/mutex.h>
27#include <sound/core.h>
28#include <sound/pcm.h>
29#include <sound/pcm_params.h>
30#include <sound/soc.h>
31#include <sound/initval.h>
32#include <sound/tlv.h>
33
34#include "wm8731.h"

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45struct wm8731_priv {
46 struct regmap *regmap;
47 struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
48 const struct snd_pcm_hw_constraint_list *constraints;
49 unsigned int sysclk;
50 int sysclk_type;
51 int playback_fs;
52 bool deemph;
28#include <sound/core.h>
29#include <sound/pcm.h>
30#include <sound/pcm_params.h>
31#include <sound/soc.h>
32#include <sound/initval.h>
33#include <sound/tlv.h>
34
35#include "wm8731.h"

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46struct wm8731_priv {
47 struct regmap *regmap;
48 struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
49 const struct snd_pcm_hw_constraint_list *constraints;
50 unsigned int sysclk;
51 int sysclk_type;
52 int playback_fs;
53 bool deemph;
54
55 struct mutex lock;
53};
54
55
56/*
57 * wm8731 register cache
58 */
59static const struct reg_default wm8731_reg_defaults[] = {
60 { 0, 0x0097 },

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133 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
134 struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
135 int deemph = ucontrol->value.enumerated.item[0];
136 int ret = 0;
137
138 if (deemph > 1)
139 return -EINVAL;
140
56};
57
58
59/*
60 * wm8731 register cache
61 */
62static const struct reg_default wm8731_reg_defaults[] = {
63 { 0, 0x0097 },

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136 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
137 struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
138 int deemph = ucontrol->value.enumerated.item[0];
139 int ret = 0;
140
141 if (deemph > 1)
142 return -EINVAL;
143
141 mutex_lock(&codec->mutex);
144 mutex_lock(&wm8731->lock);
142 if (wm8731->deemph != deemph) {
143 wm8731->deemph = deemph;
144
145 wm8731_set_deemph(codec);
146
147 ret = 1;
148 }
145 if (wm8731->deemph != deemph) {
146 wm8731->deemph = deemph;
147
148 wm8731_set_deemph(codec);
149
150 ret = 1;
151 }
149 mutex_unlock(&codec->mutex);
152 mutex_unlock(&wm8731->lock);
150
151 return ret;
152}
153
154static const DECLARE_TLV_DB_SCALE(in_tlv, -3450, 150, 0);
155static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -1500, 300, 0);
156static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
157static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 2000, 0);

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675};
676
677#if defined(CONFIG_SPI_MASTER)
678static int wm8731_spi_probe(struct spi_device *spi)
679{
680 struct wm8731_priv *wm8731;
681 int ret;
682
153
154 return ret;
155}
156
157static const DECLARE_TLV_DB_SCALE(in_tlv, -3450, 150, 0);
158static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -1500, 300, 0);
159static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
160static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 2000, 0);

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678};
679
680#if defined(CONFIG_SPI_MASTER)
681static int wm8731_spi_probe(struct spi_device *spi)
682{
683 struct wm8731_priv *wm8731;
684 int ret;
685
683 wm8731 = devm_kzalloc(&spi->dev, sizeof(*wm8731), GFP_KERNEL);
686 wm8731 = devm_kzalloc(&spi->dev, sizeof(struct wm8731_priv),
687 GFP_KERNEL);
684 if (wm8731 == NULL)
685 return -ENOMEM;
686
688 if (wm8731 == NULL)
689 return -ENOMEM;
690
691 mutex_init(&wm8731->lock);
692
687 wm8731->regmap = devm_regmap_init_spi(spi, &wm8731_regmap);
688 if (IS_ERR(wm8731->regmap)) {
689 ret = PTR_ERR(wm8731->regmap);
690 dev_err(&spi->dev, "Failed to allocate register map: %d\n",
691 ret);
692 return ret;
693 }
694

--- 120 unchanged lines hidden --- 		693 wm8731->regmap = devm_regmap_init_spi(spi, &wm8731_regmap);
694 if (IS_ERR(wm8731->regmap)) {
695 ret = PTR_ERR(wm8731->regmap);
696 dev_err(&spi->dev, "Failed to allocate register map: %d\n",
697 ret);
698 return ret;
699 }
700

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