This patch moves the code for the lm4857 AMP from the neo1973_wm8753 sound board driver to its own module. The lm4857 is a generic AMP IC and not specific to the neo1973.
Signed-off-by: Lars-Peter Clausen lars@metafoo.de --- sound/soc/codecs/Kconfig | 3 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/lm4857.c | 276 ++++++++++++++++++++++++++++++++++++ sound/soc/samsung/Kconfig | 1 + sound/soc/samsung/lm4857.h | 32 ---- sound/soc/samsung/neo1973_wm8753.c | 269 +++++++++-------------------------- 6 files changed, 347 insertions(+), 236 deletions(-) create mode 100644 sound/soc/codecs/lm4857.c delete mode 100644 sound/soc/samsung/lm4857.h
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 82a4630..37035e6 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -347,6 +347,9 @@ config SND_SOC_WM9713 tristate
# Amp +config SND_SOC_LM4857 + tristate + config SND_SOC_MAX9877 tristate
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index b43f9d4..0663d22 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -77,6 +77,7 @@ snd-soc-wm-hubs-objs := wm_hubs.o snd-soc-jz4740-codec-objs := jz4740.o
# Amp +snd-soc-lm4857-objs := lm4857.o snd-soc-max9877-objs := max9877.o snd-soc-tpa6130a2-objs := tpa6130a2.o snd-soc-wm2000-objs := wm2000.o @@ -161,6 +162,7 @@ obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o obj-$(CONFIG_SND_SOC_WM_HUBS) += snd-soc-wm-hubs.o
# Amp +obj-$(CONFIG_SND_SOC_LM4857) += snd-soc-lm4857.o obj-$(CONFIG_SND_SOC_MAX9877) += snd-soc-max9877.o obj-$(CONFIG_SND_SOC_TPA6130A2) += snd-soc-tpa6130a2.o obj-$(CONFIG_SND_SOC_WM2000) += snd-soc-wm2000.o diff --git a/sound/soc/codecs/lm4857.c b/sound/soc/codecs/lm4857.c new file mode 100644 index 0000000..72de47e --- /dev/null +++ b/sound/soc/codecs/lm4857.c @@ -0,0 +1,276 @@ +/* + * LM4857 AMP driver + * + * Copyright 2007 Wolfson Microelectronics PLC. + * Author: Graeme Gregory + * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com + * Copyright 2011 Lars-Peter Clausen lars@metafoo.de + * + * 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. + * + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/slab.h> + +#include <sound/core.h> +#include <sound/soc.h> +#include <sound/tlv.h> + +struct lm4857 { + struct i2c_client *i2c; + uint8_t mode; +}; + +static const uint8_t lm4857_default_regs[] = { + 0x00, 0x00, 0x00, 0x00, +}; + +/* The register offsets in the cache array */ +#define LM4857_MVOL 0 +#define LM4857_LVOL 1 +#define LM4857_RVOL 2 +#define LM4857_CTRL 3 + +/* the shifts required to set these bits */ +#define LM4857_3D 5 +#define LM4857_WAKEUP 5 +#define LM4857_EPGAIN 4 + +static int lm4857_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int value) +{ + uint8_t data; + int ret; + + ret = snd_soc_cache_write(codec, reg, value); + if (ret < 0) + return ret; + + data = (reg << 6) | value; + ret = i2c_master_send(codec->control_data, &data, 1); + if (ret != 1) { + dev_err(codec->dev, "Failed to write register: %d\n", ret); + return ret; + } + + return 0; +} + +static unsigned int lm4857_read(struct snd_soc_codec *codec, + unsigned int reg) +{ + unsigned int val; + int ret; + + ret = snd_soc_cache_read(codec, reg, &val); + if (ret) + return -1; + + return val; +} + +static int lm4857_get_mode(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct lm4857 *lm4857 = snd_soc_codec_get_drvdata(codec); + + ucontrol->value.integer.value[0] = lm4857->mode; + + return 0; +} + +static int lm4857_set_mode(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct lm4857 *lm4857 = snd_soc_codec_get_drvdata(codec); + uint8_t value = ucontrol->value.integer.value[0]; + + lm4857->mode = value; + + if (codec->dapm.bias_level == SND_SOC_BIAS_ON) + snd_soc_update_bits(codec, LM4857_CTRL, 0x0F, value + 6); + + return 1; +} + +static int lm4857_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + struct lm4857 *lm4857 = snd_soc_codec_get_drvdata(codec); + + switch (level) { + case SND_SOC_BIAS_ON: + snd_soc_update_bits(codec, LM4857_CTRL, 0x0F, lm4857->mode + 6); + break; + case SND_SOC_BIAS_STANDBY: + snd_soc_update_bits(codec, LM4857_CTRL, 0x0F, 0); + break; + default: + break; + } + + codec->dapm.bias_level = level; + + return 0; +} + +static const char *lm4857_mode[] = { + "Earpiece", + "Loudspeaker", + "Loudspeaker + Headphone", + "Headphone", +}; + +static const struct soc_enum lm4857_mode_enum = + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lm4857_mode), lm4857_mode); + +static const struct snd_soc_dapm_widget lm4857_dapm_widgets[] = { + SND_SOC_DAPM_INPUT("IN"), + + SND_SOC_DAPM_OUTPUT("LS"), + SND_SOC_DAPM_OUTPUT("HP"), + SND_SOC_DAPM_OUTPUT("EP"), +}; + +static const DECLARE_TLV_DB_SCALE(stereo_tlv, -4050, 150, 0); +static const DECLARE_TLV_DB_SCALE(mono_tlv, -3450, 150, 0); + +static const struct snd_kcontrol_new lm4857_controls[] = { + SOC_SINGLE_TLV("Left Playback Volume", LM4857_LVOL, 0, 31, 0, + stereo_tlv), + SOC_SINGLE_TLV("Right Playback Volume", LM4857_RVOL, 0, 31, 0, + stereo_tlv), + SOC_SINGLE_TLV("Mono Playback Volume", LM4857_MVOL, 0, 31, 0, + mono_tlv), + SOC_SINGLE("Spk 3D Playback Switch", LM4857_LVOL, LM4857_3D, 1, 0), + SOC_SINGLE("HP 3D Playback Switch", LM4857_RVOL, LM4857_3D, 1, 0), + SOC_SINGLE("Fast Wakeup Playback Switch", LM4857_CTRL, + LM4857_WAKEUP, 1, 0), + SOC_SINGLE("Earpiece 6dB Playback Switch", LM4857_CTRL, + LM4857_EPGAIN, 1, 0), + + SOC_ENUM_EXT("Mode", lm4857_mode_enum, + lm4857_get_mode, lm4857_set_mode), +}; + +/* There is a demux inbetween the the input signal and the output signals. + * Currently there is no easy way to model it in ASoC and since it does not make + * much of a difference in practice simply connect the input direclty to the + * outputs. */ +static const struct snd_soc_dapm_route lm4857_routes[] = { + {"LS", NULL, "IN"}, + {"HP", NULL, "IN"}, + {"EP", NULL, "IN"}, +}; + +static int lm4857_probe(struct snd_soc_codec *codec) +{ + struct lm4857 *lm4857 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_dapm_context *dapm = &codec->dapm; + int ret; + + codec->control_data = lm4857->i2c; + + ret = snd_soc_add_controls(codec, lm4857_controls, + ARRAY_SIZE(lm4857_controls)); + if (ret) + return ret; + + ret = snd_soc_dapm_new_controls(dapm, lm4857_dapm_widgets, + ARRAY_SIZE(lm4857_dapm_widgets)); + if (ret) + return ret; + + ret = snd_soc_dapm_add_routes(dapm, lm4857_routes, + ARRAY_SIZE(lm4857_routes)); + if (ret) + return ret; + + snd_soc_dapm_new_widgets(dapm); + + return 0; +} + +static struct snd_soc_codec_driver soc_codec_dev_lm4857 = { + .write = lm4857_write, + .read = lm4857_read, + .probe = lm4857_probe, + .reg_cache_size = ARRAY_SIZE(lm4857_default_regs), + .reg_word_size = sizeof(uint8_t), + .reg_cache_default = lm4857_default_regs, + .set_bias_level = lm4857_set_bias_level, +}; + +static int __devinit lm4857_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct lm4857 *lm4857; + int ret; + + lm4857 = kzalloc(sizeof(*lm4857), GFP_KERNEL); + if (!lm4857) + return -ENOMEM; + + i2c_set_clientdata(i2c, lm4857); + + lm4857->i2c = i2c; + + ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_lm4857, NULL, 0); + + if (ret) { + kfree(lm4857); + return ret; + } + + return 0; +} + +static int __devexit lm4857_i2c_remove(struct i2c_client *i2c) +{ + struct lm4857 *lm4857 = i2c_get_clientdata(i2c); + + snd_soc_unregister_codec(&i2c->dev); + kfree(lm4857); + + return 0; +} + +static const struct i2c_device_id lm4857_i2c_id[] = { + { "lm4857", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, lm4857_i2c_id); + +static struct i2c_driver lm4857_i2c_driver = { + .driver = { + .name = "lm4857", + .owner = THIS_MODULE, + }, + .probe = lm4857_i2c_probe, + .remove = __devexit_p(lm4857_i2c_remove), + .id_table = lm4857_i2c_id, +}; + +static int __init lm4857_init(void) +{ + return i2c_add_driver(&lm4857_i2c_driver); +} +module_init(lm4857_init); + +static void __exit lm4857_exit(void) +{ + i2c_del_driver(&lm4857_i2c_driver); +} +module_exit(lm4857_exit); + +MODULE_AUTHOR("Lars-Peter Clausen lars@metafoo.de"); +MODULE_DESCRIPTION("LM4857 amplifier driver"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig index a6a6b5f..ba78e26 100644 --- a/sound/soc/samsung/Kconfig +++ b/sound/soc/samsung/Kconfig @@ -39,6 +39,7 @@ config SND_SOC_SAMSUNG_NEO1973_WM8753 depends on SND_SOC_SAMSUNG && MACH_NEO1973_GTA01 select SND_S3C24XX_I2S select SND_SOC_WM8753 + select SND_SOC_LM4857 help Say Y if you want to add support for SoC audio on smdk2440 with the WM8753. diff --git a/sound/soc/samsung/lm4857.h b/sound/soc/samsung/lm4857.h deleted file mode 100644 index 0cf5b70..0000000 --- a/sound/soc/samsung/lm4857.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * lm4857.h -- ALSA Soc Audio Layer - * - * Copyright 2007 Wolfson Microelectronics PLC. - * Author: Graeme Gregory - * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com - * - * 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. - * - * Revision history - * 18th Jun 2007 Initial version. - */ - -#ifndef LM4857_H_ -#define LM4857_H_ - -/* The register offsets in the cache array */ -#define LM4857_MVOL 0 -#define LM4857_LVOL 1 -#define LM4857_RVOL 2 -#define LM4857_CTRL 3 - -/* the shifts required to set these bits */ -#define LM4857_3D 5 -#define LM4857_WAKEUP 5 -#define LM4857_EPGAIN 4 - -#endif /*LM4857_H_*/ - diff --git a/sound/soc/samsung/neo1973_wm8753.c b/sound/soc/samsung/neo1973_wm8753.c index fe92946..7761827 100644 --- a/sound/soc/samsung/neo1973_wm8753.c +++ b/sound/soc/samsung/neo1973_wm8753.c @@ -17,11 +17,9 @@ #include <linux/timer.h> #include <linux/interrupt.h> #include <linux/platform_device.h> -#include <linux/i2c.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> -#include <sound/tlv.h>
#include <asm/mach-types.h> #include <mach/regs-clock.h> @@ -33,12 +31,10 @@ #include <plat/regs-iis.h>
#include "../codecs/wm8753.h" -#include "lm4857.h" #include "dma.h" #include "s3c24xx-i2s.h"
static struct snd_soc_card neo1973; -static struct i2c_client *i2c;
static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) @@ -213,85 +209,7 @@ static struct snd_soc_ops neo1973_voice_ops = { .hw_free = neo1973_voice_hw_free, };
-static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0}; - -static void lm4857_write_regs(void) -{ - pr_debug("Entered %s\n", __func__); - - if (i2c_master_send(i2c, lm4857_regs, 4) != 4) - printk(KERN_ERR "lm4857: i2c write failed\n"); -} - -static int lm4857_get_reg(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - int reg = mc->reg; - int shift = mc->shift; - int mask = mc->max; - - pr_debug("Entered %s\n", __func__); - - ucontrol->value.integer.value[0] = (lm4857_regs[reg] >> shift) & mask; - return 0; -} - -static int lm4857_set_reg(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - int reg = mc->reg; - int shift = mc->shift; - int mask = mc->max; - - if (((lm4857_regs[reg] >> shift) & mask) == - ucontrol->value.integer.value[0]) - return 0; - - lm4857_regs[reg] &= ~(mask << shift); - lm4857_regs[reg] |= ucontrol->value.integer.value[0] << shift; - lm4857_write_regs(); - return 1; -} - -static int lm4857_get_mode(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - u8 value = lm4857_regs[LM4857_CTRL] & 0x0F; - - pr_debug("Entered %s\n", __func__); - - if (value) - value -= 5; - - ucontrol->value.integer.value[0] = value; - return 0; -} - -static int lm4857_set_mode(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - u8 value = ucontrol->value.integer.value[0]; - - pr_debug("Entered %s\n", __func__); - - if (value) - value += 5; - - if ((lm4857_regs[LM4857_CTRL] & 0x0F) == value) - return 0; - - lm4857_regs[LM4857_CTRL] &= 0xF0; - lm4857_regs[LM4857_CTRL] |= value; - lm4857_write_regs(); - return 1; -} - static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { - SND_SOC_DAPM_LINE("Audio Out", NULL), SND_SOC_DAPM_LINE("GSM Line Out", NULL), SND_SOC_DAPM_LINE("GSM Line In", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), @@ -299,12 +217,7 @@ static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { };
-static const struct snd_soc_dapm_route dapm_routes[] = { - - /* Connections to the lm4857 amp */ - {"Audio Out", NULL, "LOUT1"}, - {"Audio Out", NULL, "ROUT1"}, - +static const struct snd_soc_dapm_route neo1973_wm8753_routes[] = { /* Connections to the GSM Module */ {"GSM Line Out", NULL, "MONO1"}, {"GSM Line Out", NULL, "MONO2"}, @@ -324,46 +237,14 @@ static const struct snd_soc_dapm_route dapm_routes[] = { {"ACIN", NULL, "ACOP"}, };
-static const char *lm4857_mode[] = { - "Off", - "Call Speaker", - "Stereo Speakers", - "Stereo Speakers + Headphones", - "Headphones" -}; - -static const struct soc_enum lm4857_mode_enum[] = { - SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lm4857_mode), lm4857_mode), -}; - -static const DECLARE_TLV_DB_SCALE(stereo_tlv, -4050, 150, 0); -static const DECLARE_TLV_DB_SCALE(mono_tlv, -3450, 150, 0); - -static const struct snd_kcontrol_new wm8753_neo1973_controls[] = { - SOC_DAPM_PIN_SWITCH("Audio Out"), +static const struct snd_kcontrol_new neo1973_wm8753_controls[] = { SOC_DAPM_PIN_SWITCH("GSM Line Out"), SOC_DAPM_PIN_SWITCH("GSM Line In"), SOC_DAPM_PIN_SWITCH("Headset Mic"), SOC_DAPM_PIN_SWITCH("Call Mic"), - - SOC_SINGLE_EXT_TLV("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0, - lm4857_get_reg, lm4857_set_reg, stereo_tlv), - SOC_SINGLE_EXT_TLV("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0, - lm4857_get_reg, lm4857_set_reg, stereo_tlv), - SOC_SINGLE_EXT_TLV("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0, - lm4857_get_reg, lm4857_set_reg, mono_tlv), - SOC_ENUM_EXT("Amp Mode", lm4857_mode_enum[0], - lm4857_get_mode, lm4857_set_mode), - SOC_SINGLE_EXT("Amp Spk 3D Playback Switch", LM4857_LVOL, 5, 1, 0, - lm4857_get_reg, lm4857_set_reg), - SOC_SINGLE_EXT("Amp HP 3d Playback Switch", LM4857_RVOL, 5, 1, 0, - lm4857_get_reg, lm4857_set_reg), - SOC_SINGLE_EXT("Amp Fast Wakeup Playback Switch", LM4857_CTRL, 5, 1, 0, - lm4857_get_reg, lm4857_set_reg), - SOC_SINGLE_EXT("Amp Earpiece 6dB Playback Switch", LM4857_CTRL, 4, 1, 0, - lm4857_get_reg, lm4857_set_reg), };
+ /* * This is an example machine initialisation for a wm8753 connected to a * neo1973 II. It is missing logic to detect hp/mic insertions and logic @@ -387,29 +268,66 @@ static int neo1973_wm8753_init(struct snd_soc_pcm_runtime *rtd)
/* Add neo1973 specific widgets */ snd_soc_dapm_new_controls(dapm, wm8753_dapm_widgets, - ARRAY_SIZE(wm8753_dapm_widgets)); + ARRAY_SIZE(wm8753_dapm_widgets));
/* set endpoints to default mode */ - snd_soc_dapm_disable_pin(dapm, "Audio Out"); snd_soc_dapm_disable_pin(dapm, "GSM Line Out"); snd_soc_dapm_disable_pin(dapm, "GSM Line In"); snd_soc_dapm_disable_pin(dapm, "Headset Mic"); snd_soc_dapm_disable_pin(dapm, "Call Mic");
/* add neo1973 specific controls */ - err = snd_soc_add_controls(codec, wm8753_neo1973_controls, - ARRAY_SIZE(8753_neo1973_controls)); + err = snd_soc_add_controls(codec, neo1973_wm8753_controls, + ARRAY_SIZE(neo1973_wm8753_controls)); if (err < 0) return err;
/* set up neo1973 specific audio routes */ - err = snd_soc_dapm_add_routes(dapm, dapm_routes, - ARRAY_SIZE(dapm_routes)); + err = snd_soc_dapm_add_routes(dapm, neo1973_wm8753_routes, + ARRAY_SIZE(neo1973_wm8753_routes));
snd_soc_dapm_sync(dapm); return 0; }
+static const struct snd_soc_dapm_route neo1973_lm4857_routes[] = { + {"Amp IN", NULL, "ROUT1"}, + {"Amp IN", NULL, "LOUT1"}, + + {"Handset Spk", NULL, "Amp EP"}, + {"Stereo Out", NULL, "Amp LS"}, + {"Headphone", NULL, "Amp HP"}, +}; + +static const struct snd_soc_dapm_widget neo1973_lm4857_dapm_widgets[] = { + SND_SOC_DAPM_SPK("Handset Spk", NULL), + SND_SOC_DAPM_SPK("Stereo Out", NULL), + SND_SOC_DAPM_HP("Headphone", NULL), +}; + +static int neo1973_lm4857_init(struct snd_soc_dapm_context *dapm) +{ + int ret; + + ret = snd_soc_dapm_new_controls(dapm, neo1973_lm4857_dapm_widgets, + ARRAY_SIZE(neo1973_lm4857_dapm_widgets)); + if (ret) + return ret; + + ret = snd_soc_dapm_add_routes(dapm, neo1973_lm4857_routes, + ARRAY_SIZE(neo1973_lm4857_routes)); + if (ret) + return ret; + + snd_soc_dapm_ignore_suspend(dapm, "Stereo Out"); + snd_soc_dapm_ignore_suspend(dapm, "Handset Spk"); + snd_soc_dapm_ignore_suspend(dapm, "Headphone"); + + snd_soc_dapm_sync(dapm); + + return 0; +} + /* * BT Codec DAI */ @@ -449,83 +367,29 @@ static struct snd_soc_dai_link neo1973_dai[] = { }, };
-static struct snd_soc_card neo1973 = { - .name = "neo1973", - .dai_link = neo1973_dai, - .num_links = ARRAY_SIZE(neo1973_dai), +static struct snd_soc_aux_dev neo1973_aux_devs[] = { + { + .name = "lm4857", + .codec_name = "lm4857.0-007c", + .init = neo1973_lm4857_init, + }, };
-static int lm4857_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - pr_debug("Entered %s\n", __func__); - - i2c = client; - - lm4857_write_regs(); - return 0; -} - -static int lm4857_i2c_remove(struct i2c_client *client) -{ - pr_debug("Entered %s\n", __func__); - - i2c = NULL; - - return 0; -} - -static u8 lm4857_state; - -static int lm4857_suspend(struct i2c_client *dev, pm_message_t state) -{ - pr_debug("Entered %s\n", __func__); - - dev_dbg(&dev->dev, "lm4857_suspend\n"); - lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf; - if (lm4857_state) { - lm4857_regs[LM4857_CTRL] &= 0xf0; - lm4857_write_regs(); - } - return 0; -} - -static int lm4857_resume(struct i2c_client *dev) -{ - pr_debug("Entered %s\n", __func__); - - if (lm4857_state) { - lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f); - lm4857_write_regs(); - } - return 0; -} - -static void lm4857_shutdown(struct i2c_client *dev) -{ - pr_debug("Entered %s\n", __func__); - - dev_dbg(&dev->dev, "lm4857_shutdown\n"); - lm4857_regs[LM4857_CTRL] &= 0xf0; - lm4857_write_regs(); -} - -static const struct i2c_device_id lm4857_i2c_id[] = { - { "neo1973_lm4857", 0 }, - { } +static struct snd_soc_codec_conf neo1973_codec_conf[] = { + { + .dev_name = "lm4857.0-007c", + .name_prefix = "Amp", + }, };
-static struct i2c_driver lm4857_i2c_driver = { - .driver = { - .name = "LM4857 I2C Amp", - .owner = THIS_MODULE, - }, - .suspend = lm4857_suspend, - .resume = lm4857_resume, - .shutdown = lm4857_shutdown, - .probe = lm4857_i2c_probe, - .remove = lm4857_i2c_remove, - .id_table = lm4857_i2c_id, +static struct snd_soc_card neo1973 = { + .name = "neo1973", + .dai_link = neo1973_dai, + .num_links = ARRAY_SIZE(neo1973_dai), + .aux_dev = neo1973_aux_devs, + .num_aux_devs = ARRAY_SIZE(neo1973_aux_devs), + .codec_conf = neo1973_codec_conf, + .num_configs = ARRAY_SIZE(neo1973_codec_conf), };
static struct platform_device *neo1973_snd_device; @@ -554,8 +418,6 @@ static int __init neo1973_init(void) return ret; }
- ret = i2c_add_driver(&lm4857_i2c_driver); - if (ret != 0) platform_device_unregister(neo1973_snd_device);
@@ -566,7 +428,6 @@ static void __exit neo1973_exit(void) { pr_debug("Entered %s\n", __func__);
- i2c_del_driver(&lm4857_i2c_driver); platform_device_unregister(neo1973_snd_device); }