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The last user (HP iPAQ hx4700) was a non-DT PXA board file that instantiated the device via I2C board data; that code was removed as part of the PXA board-file purge. The AK4641 driver was introduced ~2011 and still probes only via the I2C device-ID table ('.id_table'), without an 'of_match_table', so there are no upstream Devicetree users to retain. With no in-tree users left, remove the driver. Signed-off-by: Peng Fan Acked-by: Andy Shevchenko Reviewed-by: Bartosz Golaszewski --- include/sound/ak4641.h | 23 -- sound/soc/codecs/Kconfig | 6 - sound/soc/codecs/Makefile | 2 - sound/soc/codecs/ak4641.c | 641 ------------------------------------------= ---- 4 files changed, 672 deletions(-) diff --git a/include/sound/ak4641.h b/include/sound/ak4641.h deleted file mode 100644 index 8b1941bbde5203f3f8ace779720fdb9aa8b6eafd..000000000000000000000000000= 0000000000000 --- a/include/sound/ak4641.h +++ /dev/null @@ -1,23 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * AK4641 ALSA SoC Codec driver - * - * Copyright 2009 Philipp Zabel - */ - -#ifndef __AK4641_H -#define __AK4641_H - -/** - * struct ak4641_platform_data - platform specific AK4641 configuration - * @gpio_power: GPIO to control external power to AK4641 - * @gpio_npdn: GPIO connected to AK4641 nPDN pin - * - * Both GPIO parameters are optional. - */ -struct ak4641_platform_data { - int gpio_power; - int gpio_npdn; -}; - -#endif /* __AK4641_H */ diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 90f09d4bdf8e8155f9c33e596d5e670cd1fca820..c3bcead0ade9badb1562e8a5cc6= 3c27d90cb68eb 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -46,7 +46,6 @@ config SND_SOC_ALL_CODECS imply SND_SOC_AK4554 imply SND_SOC_AK4613 imply SND_SOC_AK4619 - imply SND_SOC_AK4641 imply SND_SOC_AK4642 imply SND_SOC_AK4671 imply SND_SOC_AK5386 @@ -625,11 +624,6 @@ config SND_SOC_AK4619 tristate "AKM AK4619 CODEC" depends on I2C =20 -config SND_SOC_AK4641 - tristate - depends on I2C - depends on GPIOLIB_LEGACY - config SND_SOC_AK4642 tristate "AKM AK4642 CODEC" depends on I2C diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index a6406bc907a9d27de5b5db793953c71fd82ed63b..b319f22250db38444435accf6be= e663eb8ed4cdc 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -40,7 +40,6 @@ snd-soc-ak4535-y :=3D ak4535.o snd-soc-ak4554-y :=3D ak4554.o snd-soc-ak4613-y :=3D ak4613.o snd-soc-ak4619-y :=3D ak4619.o -snd-soc-ak4641-y :=3D ak4641.o snd-soc-ak4642-y :=3D ak4642.o snd-soc-ak4671-y :=3D ak4671.o snd-soc-ak5386-y :=3D ak5386.o @@ -474,7 +473,6 @@ obj-$(CONFIG_SND_SOC_AK4535) +=3D snd-soc-ak4535.o obj-$(CONFIG_SND_SOC_AK4554) +=3D snd-soc-ak4554.o obj-$(CONFIG_SND_SOC_AK4613) +=3D snd-soc-ak4613.o obj-$(CONFIG_SND_SOC_AK4619) +=3D snd-soc-ak4619.o -obj-$(CONFIG_SND_SOC_AK4641) +=3D snd-soc-ak4641.o obj-$(CONFIG_SND_SOC_AK4642) +=3D snd-soc-ak4642.o obj-$(CONFIG_SND_SOC_AK4671) +=3D snd-soc-ak4671.o obj-$(CONFIG_SND_SOC_AK5386) +=3D snd-soc-ak5386.o diff --git a/sound/soc/codecs/ak4641.c b/sound/soc/codecs/ak4641.c deleted file mode 100644 index 9db8cdb26d33a564a9f80afdad1fbef1a5bc35b6..000000000000000000000000000= 0000000000000 --- a/sound/soc/codecs/ak4641.c +++ /dev/null @@ -1,641 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * ak4641.c -- AK4641 ALSA Soc Audio driver - * - * Copyright (C) 2008 Harald Welte - * Copyright (C) 2011 Dmitry Artamonow - * - * Based on ak4535.c by Richard Purdie - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* AK4641 register space */ -#define AK4641_PM1 0x00 -#define AK4641_PM2 0x01 -#define AK4641_SIG1 0x02 -#define AK4641_SIG2 0x03 -#define AK4641_MODE1 0x04 -#define AK4641_MODE2 0x05 -#define AK4641_DAC 0x06 -#define AK4641_MIC 0x07 -#define AK4641_TIMER 0x08 -#define AK4641_ALC1 0x09 -#define AK4641_ALC2 0x0a -#define AK4641_PGA 0x0b -#define AK4641_LATT 0x0c -#define AK4641_RATT 0x0d -#define AK4641_VOL 0x0e -#define AK4641_STATUS 0x0f -#define AK4641_EQLO 0x10 -#define AK4641_EQMID 0x11 -#define AK4641_EQHI 0x12 -#define AK4641_BTIF 0x13 - -/* codec private data */ -struct ak4641_priv { - struct regmap *regmap; - unsigned int sysclk; - int deemph; - int playback_fs; -}; - -/* - * ak4641 register cache - */ -static const struct reg_default ak4641_reg_defaults[] =3D { - { 0, 0x00 }, { 1, 0x80 }, { 2, 0x00 }, { 3, 0x80 }, - { 4, 0x02 }, { 5, 0x00 }, { 6, 0x11 }, { 7, 0x05 }, - { 8, 0x00 }, { 9, 0x00 }, { 10, 0x36 }, { 11, 0x10 }, - { 12, 0x00 }, { 13, 0x00 }, { 14, 0x57 }, { 15, 0x00 }, - { 16, 0x88 }, { 17, 0x88 }, { 18, 0x08 }, { 19, 0x08 } -}; - -static const int deemph_settings[] =3D {44100, 0, 48000, 32000}; - -static int ak4641_set_deemph(struct snd_soc_component *component) -{ - struct ak4641_priv *ak4641 =3D snd_soc_component_get_drvdata(component); - int i, best =3D 0; - - for (i =3D 0 ; i < ARRAY_SIZE(deemph_settings); i++) { - /* if deemphasis is on, select the nearest available rate */ - if (ak4641->deemph && deemph_settings[i] !=3D 0 && - abs(deemph_settings[i] - ak4641->playback_fs) < - abs(deemph_settings[best] - ak4641->playback_fs)) - best =3D i; - - if (!ak4641->deemph && deemph_settings[i] =3D=3D 0) - best =3D i; - } - - dev_dbg(component->dev, "Set deemphasis %d\n", best); - - return snd_soc_component_update_bits(component, AK4641_DAC, 0x3, best); -} - -static int ak4641_put_deemph(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_component *component =3D snd_kcontrol_chip(kcontrol); - struct ak4641_priv *ak4641 =3D snd_soc_component_get_drvdata(component); - int deemph =3D ucontrol->value.integer.value[0]; - - if (deemph > 1) - return -EINVAL; - - ak4641->deemph =3D deemph; - - return ak4641_set_deemph(component); -} - -static int ak4641_get_deemph(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_component *component =3D snd_kcontrol_chip(kcontrol); - struct ak4641_priv *ak4641 =3D snd_soc_component_get_drvdata(component); - - ucontrol->value.integer.value[0] =3D ak4641->deemph; - return 0; -}; - -static const char *ak4641_mono_out[] =3D {"(L + R)/2", "Hi-Z"}; -static const char *ak4641_hp_out[] =3D {"Stereo", "Mono"}; -static const char *ak4641_mic_select[] =3D {"Internal", "External"}; -static const char *ak4641_mic_or_dac[] =3D {"Microphone", "Voice DAC"}; - - -static const DECLARE_TLV_DB_SCALE(mono_gain_tlv, -1700, 2300, 0); -static const DECLARE_TLV_DB_SCALE(mic_boost_tlv, 0, 2000, 0); -static const DECLARE_TLV_DB_SCALE(eq_tlv, -1050, 150, 0); -static const DECLARE_TLV_DB_SCALE(master_tlv, -12750, 50, 0); -static const DECLARE_TLV_DB_SCALE(mic_stereo_sidetone_tlv, -2700, 300, 0); -static const DECLARE_TLV_DB_SCALE(mic_mono_sidetone_tlv, -400, 400, 0); -static const DECLARE_TLV_DB_SCALE(capture_tlv, -800, 50, 0); -static const DECLARE_TLV_DB_SCALE(alc_tlv, -800, 50, 0); -static const DECLARE_TLV_DB_SCALE(aux_in_tlv, -2100, 300, 0); - - -static SOC_ENUM_SINGLE_DECL(ak4641_mono_out_enum, - AK4641_SIG1, 6, ak4641_mono_out); -static SOC_ENUM_SINGLE_DECL(ak4641_hp_out_enum, - AK4641_MODE2, 2, ak4641_hp_out); -static SOC_ENUM_SINGLE_DECL(ak4641_mic_select_enum, - AK4641_MIC, 1, ak4641_mic_select); -static SOC_ENUM_SINGLE_DECL(ak4641_mic_or_dac_enum, - AK4641_BTIF, 4, ak4641_mic_or_dac); - -static const struct snd_kcontrol_new ak4641_snd_controls[] =3D { - SOC_ENUM("Mono 1 Output", ak4641_mono_out_enum), - SOC_SINGLE_TLV("Mono 1 Gain Volume", AK4641_SIG1, 7, 1, 1, - mono_gain_tlv), - SOC_ENUM("Headphone Output", ak4641_hp_out_enum), - SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0, - ak4641_get_deemph, ak4641_put_deemph), - - SOC_SINGLE_TLV("Mic Boost Volume", AK4641_MIC, 0, 1, 0, mic_boost_tlv), - - SOC_SINGLE("ALC Operation Time", AK4641_TIMER, 0, 3, 0), - SOC_SINGLE("ALC Recovery Time", AK4641_TIMER, 2, 3, 0), - SOC_SINGLE("ALC ZC Time", AK4641_TIMER, 4, 3, 0), - - SOC_SINGLE("ALC 1 Switch", AK4641_ALC1, 5, 1, 0), - - SOC_SINGLE_TLV("ALC Volume", AK4641_ALC2, 0, 71, 0, alc_tlv), - SOC_SINGLE("Left Out Enable Switch", AK4641_SIG2, 1, 1, 0), - SOC_SINGLE("Right Out Enable Switch", AK4641_SIG2, 0, 1, 0), - - SOC_SINGLE_TLV("Capture Volume", AK4641_PGA, 0, 71, 0, capture_tlv), - - SOC_DOUBLE_R_TLV("Master Playback Volume", AK4641_LATT, - AK4641_RATT, 0, 255, 1, master_tlv), - - SOC_SINGLE_TLV("AUX In Volume", AK4641_VOL, 0, 15, 0, aux_in_tlv), - - SOC_SINGLE("Equalizer Switch", AK4641_DAC, 2, 1, 0), - SOC_SINGLE_TLV("EQ1 100 Hz Volume", AK4641_EQLO, 0, 15, 1, eq_tlv), - SOC_SINGLE_TLV("EQ2 250 Hz Volume", AK4641_EQLO, 4, 15, 1, eq_tlv), - SOC_SINGLE_TLV("EQ3 1 kHz Volume", AK4641_EQMID, 0, 15, 1, eq_tlv), - SOC_SINGLE_TLV("EQ4 3.5 kHz Volume", AK4641_EQMID, 4, 15, 1, eq_tlv), - SOC_SINGLE_TLV("EQ5 10 kHz Volume", AK4641_EQHI, 0, 15, 1, eq_tlv), -}; - -/* Mono 1 Mixer */ -static const struct snd_kcontrol_new ak4641_mono1_mixer_controls[] =3D { - SOC_DAPM_SINGLE_TLV("Mic Mono Sidetone Volume", AK4641_VOL, 7, 1, 0, - mic_mono_sidetone_tlv), - SOC_DAPM_SINGLE("Mic Mono Sidetone Switch", AK4641_SIG1, 4, 1, 0), - SOC_DAPM_SINGLE("Mono Playback Switch", AK4641_SIG1, 5, 1, 0), -}; - -/* Stereo Mixer */ -static const struct snd_kcontrol_new ak4641_stereo_mixer_controls[] =3D { - SOC_DAPM_SINGLE_TLV("Mic Sidetone Volume", AK4641_VOL, 4, 7, 0, - mic_stereo_sidetone_tlv), - SOC_DAPM_SINGLE("Mic Sidetone Switch", AK4641_SIG2, 4, 1, 0), - SOC_DAPM_SINGLE("Playback Switch", AK4641_SIG2, 7, 1, 0), - SOC_DAPM_SINGLE("Aux Bypass Switch", AK4641_SIG2, 5, 1, 0), -}; - -/* Input Mixer */ -static const struct snd_kcontrol_new ak4641_input_mixer_controls[] =3D { - SOC_DAPM_SINGLE("Mic Capture Switch", AK4641_MIC, 2, 1, 0), - SOC_DAPM_SINGLE("Aux Capture Switch", AK4641_MIC, 5, 1, 0), -}; - -/* Mic mux */ -static const struct snd_kcontrol_new ak4641_mic_mux_control =3D - SOC_DAPM_ENUM("Mic Select", ak4641_mic_select_enum); - -/* Input mux */ -static const struct snd_kcontrol_new ak4641_input_mux_control =3D - SOC_DAPM_ENUM("Input Select", ak4641_mic_or_dac_enum); - -/* mono 2 switch */ -static const struct snd_kcontrol_new ak4641_mono2_control =3D - SOC_DAPM_SINGLE("Switch", AK4641_SIG1, 0, 1, 0); - -/* ak4641 dapm widgets */ -static const struct snd_soc_dapm_widget ak4641_dapm_widgets[] =3D { - SND_SOC_DAPM_MIXER("Stereo Mixer", SND_SOC_NOPM, 0, 0, - &ak4641_stereo_mixer_controls[0], - ARRAY_SIZE(ak4641_stereo_mixer_controls)), - SND_SOC_DAPM_MIXER("Mono1 Mixer", SND_SOC_NOPM, 0, 0, - &ak4641_mono1_mixer_controls[0], - ARRAY_SIZE(ak4641_mono1_mixer_controls)), - SND_SOC_DAPM_MIXER("Input Mixer", SND_SOC_NOPM, 0, 0, - &ak4641_input_mixer_controls[0], - ARRAY_SIZE(ak4641_input_mixer_controls)), - SND_SOC_DAPM_MUX("Mic Mux", SND_SOC_NOPM, 0, 0, - &ak4641_mic_mux_control), - SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, - &ak4641_input_mux_control), - SND_SOC_DAPM_SWITCH("Mono 2 Enable", SND_SOC_NOPM, 0, 0, - &ak4641_mono2_control), - - SND_SOC_DAPM_OUTPUT("LOUT"), - SND_SOC_DAPM_OUTPUT("ROUT"), - SND_SOC_DAPM_OUTPUT("MOUT1"), - SND_SOC_DAPM_OUTPUT("MOUT2"), - SND_SOC_DAPM_OUTPUT("MICOUT"), - - SND_SOC_DAPM_ADC("ADC", "HiFi Capture", AK4641_PM1, 0, 0), - SND_SOC_DAPM_PGA("Mic", AK4641_PM1, 1, 0, NULL, 0), - SND_SOC_DAPM_PGA("AUX In", AK4641_PM1, 2, 0, NULL, 0), - SND_SOC_DAPM_PGA("Mono Out", AK4641_PM1, 3, 0, NULL, 0), - SND_SOC_DAPM_PGA("Line Out", AK4641_PM1, 4, 0, NULL, 0), - - SND_SOC_DAPM_DAC("DAC", "HiFi Playback", AK4641_PM2, 0, 0), - SND_SOC_DAPM_PGA("Mono Out 2", AK4641_PM2, 3, 0, NULL, 0), - - SND_SOC_DAPM_ADC("Voice ADC", "Voice Capture", AK4641_BTIF, 0, 0), - SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", AK4641_BTIF, 1, 0), - - SND_SOC_DAPM_MICBIAS("Mic Int Bias", AK4641_MIC, 3, 0), - SND_SOC_DAPM_MICBIAS("Mic Ext Bias", AK4641_MIC, 4, 0), - - SND_SOC_DAPM_INPUT("MICIN"), - SND_SOC_DAPM_INPUT("MICEXT"), - SND_SOC_DAPM_INPUT("AUX"), - SND_SOC_DAPM_INPUT("AIN"), -}; - -static const struct snd_soc_dapm_route ak4641_audio_map[] =3D { - /* Stereo Mixer */ - {"Stereo Mixer", "Playback Switch", "DAC"}, - {"Stereo Mixer", "Mic Sidetone Switch", "Input Mux"}, - {"Stereo Mixer", "Aux Bypass Switch", "AUX In"}, - - /* Mono 1 Mixer */ - {"Mono1 Mixer", "Mic Mono Sidetone Switch", "Input Mux"}, - {"Mono1 Mixer", "Mono Playback Switch", "DAC"}, - - /* Mic */ - {"Mic", NULL, "AIN"}, - {"Mic Mux", "Internal", "Mic Int Bias"}, - {"Mic Mux", "External", "Mic Ext Bias"}, - {"Mic Int Bias", NULL, "MICIN"}, - {"Mic Ext Bias", NULL, "MICEXT"}, - {"MICOUT", NULL, "Mic Mux"}, - - /* Input Mux */ - {"Input Mux", "Microphone", "Mic"}, - {"Input Mux", "Voice DAC", "Voice DAC"}, - - /* Line Out */ - {"LOUT", NULL, "Line Out"}, - {"ROUT", NULL, "Line Out"}, - {"Line Out", NULL, "Stereo Mixer"}, - - /* Mono 1 Out */ - {"MOUT1", NULL, "Mono Out"}, - {"Mono Out", NULL, "Mono1 Mixer"}, - - /* Mono 2 Out */ - {"MOUT2", NULL, "Mono 2 Enable"}, - {"Mono 2 Enable", "Switch", "Mono Out 2"}, - {"Mono Out 2", NULL, "Stereo Mixer"}, - - {"Voice ADC", NULL, "Mono 2 Enable"}, - - /* Aux In */ - {"AUX In", NULL, "AUX"}, - - /* ADC */ - {"ADC", NULL, "Input Mixer"}, - {"Input Mixer", "Mic Capture Switch", "Mic"}, - {"Input Mixer", "Aux Capture Switch", "AUX In"}, -}; - -static int ak4641_set_dai_sysclk(struct snd_soc_dai *codec_dai, - int clk_id, unsigned int freq, int dir) -{ - struct snd_soc_component *component =3D codec_dai->component; - struct ak4641_priv *ak4641 =3D snd_soc_component_get_drvdata(component); - - ak4641->sysclk =3D freq; - return 0; -} - -static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct snd_soc_component *component =3D dai->component; - struct ak4641_priv *ak4641 =3D snd_soc_component_get_drvdata(component); - int rate =3D params_rate(params), fs =3D 256; - u8 mode2; - - if (rate) - fs =3D ak4641->sysclk / rate; - else - return -EINVAL; - - /* set fs */ - switch (fs) { - case 1024: - mode2 =3D (0x2 << 5); - break; - case 512: - mode2 =3D (0x1 << 5); - break; - case 256: - mode2 =3D (0x0 << 5); - break; - default: - dev_err(component->dev, "Error: unsupported fs=3D%d\n", fs); - return -EINVAL; - } - - snd_soc_component_update_bits(component, AK4641_MODE2, (0x3 << 5), mode2); - - /* Update de-emphasis filter for the new rate */ - if (substream->stream =3D=3D SNDRV_PCM_STREAM_PLAYBACK) { - ak4641->playback_fs =3D rate; - ak4641_set_deemph(component); - } - - return 0; -} - -static int ak4641_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai, - unsigned int fmt) -{ - struct snd_soc_component *component =3D codec_dai->component; - u8 btif; - int ret; - - /* interface format */ - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - btif =3D (0x3 << 5); - break; - case SND_SOC_DAIFMT_LEFT_J: - btif =3D (0x2 << 5); - break; - case SND_SOC_DAIFMT_DSP_A: /* MSB after FRM */ - btif =3D (0x0 << 5); - break; - case SND_SOC_DAIFMT_DSP_B: /* MSB during FRM */ - btif =3D (0x1 << 5); - break; - default: - return -EINVAL; - } - - ret =3D snd_soc_component_update_bits(component, AK4641_BTIF, (0x3 << 5),= btif); - if (ret < 0) - return ret; - - return 0; -} - -static int ak4641_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai, - unsigned int fmt) -{ - struct snd_soc_component *component =3D codec_dai->component; - u8 mode1 =3D 0; - - /* interface format */ - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - mode1 =3D 0x02; - break; - case SND_SOC_DAIFMT_LEFT_J: - mode1 =3D 0x01; - break; - default: - return -EINVAL; - } - - return snd_soc_component_write(component, AK4641_MODE1, mode1); -} - -static int ak4641_mute(struct snd_soc_dai *dai, int mute, int direction) -{ - struct snd_soc_component *component =3D dai->component; - - return snd_soc_component_update_bits(component, AK4641_DAC, 0x20, mute ? = 0x20 : 0); -} - -static int ak4641_set_bias_level(struct snd_soc_component *component, - enum snd_soc_bias_level level) -{ - struct snd_soc_dapm_context *dapm =3D snd_soc_component_to_dapm(component= ); - struct ak4641_priv *ak4641 =3D snd_soc_component_get_drvdata(component); - struct ak4641_platform_data *pdata =3D component->dev->platform_data; - int ret; - - switch (level) { - case SND_SOC_BIAS_ON: - /* unmute */ - snd_soc_component_update_bits(component, AK4641_DAC, 0x20, 0); - break; - case SND_SOC_BIAS_PREPARE: - /* mute */ - snd_soc_component_update_bits(component, AK4641_DAC, 0x20, 0x20); - break; - case SND_SOC_BIAS_STANDBY: - if (snd_soc_dapm_get_bias_level(dapm) =3D=3D SND_SOC_BIAS_OFF) { - if (pdata && gpio_is_valid(pdata->gpio_power)) - gpio_set_value(pdata->gpio_power, 1); - mdelay(1); - if (pdata && gpio_is_valid(pdata->gpio_npdn)) - gpio_set_value(pdata->gpio_npdn, 1); - mdelay(1); - - ret =3D regcache_sync(ak4641->regmap); - if (ret) { - dev_err(component->dev, - "Failed to sync cache: %d\n", ret); - return ret; - } - } - snd_soc_component_update_bits(component, AK4641_PM1, 0x80, 0x80); - snd_soc_component_update_bits(component, AK4641_PM2, 0x80, 0); - break; - case SND_SOC_BIAS_OFF: - snd_soc_component_update_bits(component, AK4641_PM1, 0x80, 0); - if (pdata && gpio_is_valid(pdata->gpio_npdn)) - gpio_set_value(pdata->gpio_npdn, 0); - if (pdata && gpio_is_valid(pdata->gpio_power)) - gpio_set_value(pdata->gpio_power, 0); - regcache_mark_dirty(ak4641->regmap); - break; - } - return 0; -} - -#define AK4641_RATES (SNDRV_PCM_RATE_8000_48000) -#define AK4641_RATES_BT (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ - SNDRV_PCM_RATE_16000) -#define AK4641_FORMATS (SNDRV_PCM_FMTBIT_S16_LE) - -static const struct snd_soc_dai_ops ak4641_i2s_dai_ops =3D { - .hw_params =3D ak4641_i2s_hw_params, - .set_fmt =3D ak4641_i2s_set_dai_fmt, - .mute_stream =3D ak4641_mute, - .set_sysclk =3D ak4641_set_dai_sysclk, - .no_capture_mute =3D 1, -}; - -static const struct snd_soc_dai_ops ak4641_pcm_dai_ops =3D { - .hw_params =3D NULL, /* rates are controlled by BT chip */ - .set_fmt =3D ak4641_pcm_set_dai_fmt, - .mute_stream =3D ak4641_mute, - .set_sysclk =3D ak4641_set_dai_sysclk, - .no_capture_mute =3D 1, -}; - -static struct snd_soc_dai_driver ak4641_dai[] =3D { -{ - .name =3D "ak4641-hifi", - .id =3D 1, - .playback =3D { - .stream_name =3D "HiFi Playback", - .channels_min =3D 1, - .channels_max =3D 2, - .rates =3D AK4641_RATES, - .formats =3D AK4641_FORMATS, - }, - .capture =3D { - .stream_name =3D "HiFi Capture", - .channels_min =3D 1, - .channels_max =3D 2, - .rates =3D AK4641_RATES, - .formats =3D AK4641_FORMATS, - }, - .ops =3D &ak4641_i2s_dai_ops, - .symmetric_rate =3D 1, -}, -{ - .name =3D "ak4641-voice", - .id =3D 1, - .playback =3D { - .stream_name =3D "Voice Playback", - .channels_min =3D 1, - .channels_max =3D 1, - .rates =3D AK4641_RATES_BT, - .formats =3D AK4641_FORMATS, - }, - .capture =3D { - .stream_name =3D "Voice Capture", - .channels_min =3D 1, - .channels_max =3D 1, - .rates =3D AK4641_RATES_BT, - .formats =3D AK4641_FORMATS, - }, - .ops =3D &ak4641_pcm_dai_ops, - .symmetric_rate =3D 1, -}, -}; - -static const struct snd_soc_component_driver soc_component_dev_ak4641 =3D { - .controls =3D ak4641_snd_controls, - .num_controls =3D ARRAY_SIZE(ak4641_snd_controls), - .dapm_widgets =3D ak4641_dapm_widgets, - .num_dapm_widgets =3D ARRAY_SIZE(ak4641_dapm_widgets), - .dapm_routes =3D ak4641_audio_map, - .num_dapm_routes =3D ARRAY_SIZE(ak4641_audio_map), - .set_bias_level =3D ak4641_set_bias_level, - .suspend_bias_off =3D 1, - .idle_bias_on =3D 1, - .use_pmdown_time =3D 1, - .endianness =3D 1, -}; - -static const struct regmap_config ak4641_regmap =3D { - .reg_bits =3D 8, - .val_bits =3D 8, - - .max_register =3D AK4641_BTIF, - .reg_defaults =3D ak4641_reg_defaults, - .num_reg_defaults =3D ARRAY_SIZE(ak4641_reg_defaults), - .cache_type =3D REGCACHE_RBTREE, -}; - -static int ak4641_i2c_probe(struct i2c_client *i2c) -{ - struct ak4641_platform_data *pdata =3D i2c->dev.platform_data; - struct ak4641_priv *ak4641; - int ret; - - ak4641 =3D devm_kzalloc(&i2c->dev, sizeof(struct ak4641_priv), - GFP_KERNEL); - if (!ak4641) - return -ENOMEM; - - ak4641->regmap =3D devm_regmap_init_i2c(i2c, &ak4641_regmap); - if (IS_ERR(ak4641->regmap)) - return PTR_ERR(ak4641->regmap); - - if (pdata) { - if (gpio_is_valid(pdata->gpio_power)) { - ret =3D gpio_request_one(pdata->gpio_power, - GPIOF_OUT_INIT_LOW, "ak4641 power"); - if (ret) - goto err_out; - } - if (gpio_is_valid(pdata->gpio_npdn)) { - ret =3D gpio_request_one(pdata->gpio_npdn, - GPIOF_OUT_INIT_LOW, "ak4641 npdn"); - if (ret) - goto err_gpio; - - udelay(1); /* > 150 ns */ - gpio_set_value(pdata->gpio_npdn, 1); - } - } - - i2c_set_clientdata(i2c, ak4641); - - ret =3D devm_snd_soc_register_component(&i2c->dev, - &soc_component_dev_ak4641, - ak4641_dai, ARRAY_SIZE(ak4641_dai)); - if (ret !=3D 0) - goto err_gpio2; - - return 0; - -err_gpio2: - if (pdata) { - if (gpio_is_valid(pdata->gpio_power)) - gpio_set_value(pdata->gpio_power, 0); - if (gpio_is_valid(pdata->gpio_npdn)) - gpio_free(pdata->gpio_npdn); - } -err_gpio: - if (pdata && gpio_is_valid(pdata->gpio_power)) - gpio_free(pdata->gpio_power); -err_out: - return ret; -} - -static void ak4641_i2c_remove(struct i2c_client *i2c) -{ - struct ak4641_platform_data *pdata =3D i2c->dev.platform_data; - - if (pdata) { - if (gpio_is_valid(pdata->gpio_power)) { - gpio_set_value(pdata->gpio_power, 0); - gpio_free(pdata->gpio_power); - } - if (gpio_is_valid(pdata->gpio_npdn)) - gpio_free(pdata->gpio_npdn); - } -} - -static const struct i2c_device_id ak4641_i2c_id[] =3D { - { "ak4641" }, - { } -}; -MODULE_DEVICE_TABLE(i2c, ak4641_i2c_id); - -static struct i2c_driver ak4641_i2c_driver =3D { - .driver =3D { - .name =3D "ak4641", - }, - .probe =3D ak4641_i2c_probe, - .remove =3D ak4641_i2c_remove, - .id_table =3D ak4641_i2c_id, -}; - -module_i2c_driver(ak4641_i2c_driver); - -MODULE_DESCRIPTION("SoC AK4641 driver"); -MODULE_AUTHOR("Harald Welte "); -MODULE_LICENSE("GPL"); --=20 2.37.1