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-rw-r--r--sound/soc/codecs/Kconfig7
-rw-r--r--sound/soc/codecs/Makefile2
-rw-r--r--sound/soc/codecs/msm8916-wcd-digital.c12
-rw-r--r--sound/soc/codecs/rt274.c1228
-rw-r--r--sound/soc/codecs/rt274.h217
5 files changed, 1465 insertions, 1 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 6c78b0b49b81..024ddc9938ed 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -114,6 +114,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_PCM5102A
select SND_SOC_PCM512x_I2C if I2C
select SND_SOC_PCM512x_SPI if SPI_MASTER
+ select SND_SOC_RT274 if I2C
select SND_SOC_RT286 if I2C
select SND_SOC_RT298 if I2C
select SND_SOC_RT5514 if I2C
@@ -716,11 +717,17 @@ config SND_SOC_RL6231
config SND_SOC_RL6347A
tristate
+ default y if SND_SOC_RT274=y
default y if SND_SOC_RT286=y
default y if SND_SOC_RT298=y
+ default m if SND_SOC_RT274=m
default m if SND_SOC_RT286=m
default m if SND_SOC_RT298=m
+config SND_SOC_RT274
+ tristate
+ depends on I2C
+
config SND_SOC_RT286
tristate
depends on I2C
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 1755a54e3dc9..a8a4b0797f46 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -113,6 +113,7 @@ snd-soc-pcm512x-i2c-objs := pcm512x-i2c.o
snd-soc-pcm512x-spi-objs := pcm512x-spi.o
snd-soc-rl6231-objs := rl6231.o
snd-soc-rl6347a-objs := rl6347a.o
+snd-soc-rt274-objs := rt274.o
snd-soc-rt286-objs := rt286.o
snd-soc-rt298-objs := rt298.o
snd-soc-rt5514-objs := rt5514.o
@@ -349,6 +350,7 @@ obj-$(CONFIG_SND_SOC_PCM512x_I2C) += snd-soc-pcm512x-i2c.o
obj-$(CONFIG_SND_SOC_PCM512x_SPI) += snd-soc-pcm512x-spi.o
obj-$(CONFIG_SND_SOC_RL6231) += snd-soc-rl6231.o
obj-$(CONFIG_SND_SOC_RL6347A) += snd-soc-rl6347a.o
+obj-$(CONFIG_SND_SOC_RT274) += snd-soc-rt274.o
obj-$(CONFIG_SND_SOC_RT286) += snd-soc-rt286.o
obj-$(CONFIG_SND_SOC_RT298) += snd-soc-rt298.o
obj-$(CONFIG_SND_SOC_RT5514) += snd-soc-rt5514.o
diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c
index f690442af8c9..661cd6dd5473 100644
--- a/sound/soc/codecs/msm8916-wcd-digital.c
+++ b/sound/soc/codecs/msm8916-wcd-digital.c
@@ -568,6 +568,15 @@ static int msm8916_wcd_digital_codec_probe(struct snd_soc_codec *codec)
return 0;
}
+static int msm8916_wcd_digital_codec_set_sysclk(struct snd_soc_codec *codec,
+ int clk_id, int source,
+ unsigned int freq, int dir)
+{
+ struct msm8916_wcd_digital_priv *p = dev_get_drvdata(codec->dev);
+
+ return clk_set_rate(p->mclk, freq);
+}
+
static int msm8916_wcd_digital_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
@@ -788,7 +797,7 @@ static void msm8916_wcd_digital_shutdown(struct snd_pcm_substream *substream,
LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK, 0);
}
-static struct snd_soc_dai_ops msm8916_wcd_digital_dai_ops = {
+static const struct snd_soc_dai_ops msm8916_wcd_digital_dai_ops = {
.startup = msm8916_wcd_digital_startup,
.shutdown = msm8916_wcd_digital_shutdown,
.hw_params = msm8916_wcd_digital_hw_params,
@@ -823,6 +832,7 @@ static struct snd_soc_dai_driver msm8916_wcd_digital_dai[] = {
static struct snd_soc_codec_driver msm8916_wcd_digital = {
.probe = msm8916_wcd_digital_codec_probe,
+ .set_sysclk = msm8916_wcd_digital_codec_set_sysclk,
.component_driver = {
.controls = msm8916_wcd_digital_snd_controls,
.num_controls = ARRAY_SIZE(msm8916_wcd_digital_snd_controls),
diff --git a/sound/soc/codecs/rt274.c b/sound/soc/codecs/rt274.c
new file mode 100644
index 000000000000..fb683ffc4e03
--- /dev/null
+++ b/sound/soc/codecs/rt274.c
@@ -0,0 +1,1228 @@
+/*
+ * rt274.c -- RT274 ALSA SoC audio codec driver
+ *
+ * Copyright 2017 Realtek Semiconductor Corp.
+ * Author: Bard Liao <bardliao@realtek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/dmi.h>
+#include <linux/acpi.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <sound/jack.h>
+#include <linux/workqueue.h>
+
+#include "rl6347a.h"
+#include "rt274.h"
+
+#define RT274_VENDOR_ID 0x10ec0274
+
+struct rt274_priv {
+ struct reg_default *index_cache;
+ int index_cache_size;
+ struct regmap *regmap;
+ struct snd_soc_codec *codec;
+ struct i2c_client *i2c;
+ struct snd_soc_jack *jack;
+ struct delayed_work jack_detect_work;
+ int sys_clk;
+ int clk_id;
+ int fs;
+ bool master;
+};
+
+static const struct reg_default rt274_index_def[] = {
+ { 0x00, 0x1004 },
+ { 0x01, 0xaaaa },
+ { 0x02, 0x88aa },
+ { 0x03, 0x0002 },
+ { 0x04, 0xaa09 },
+ { 0x05, 0x0700 },
+ { 0x06, 0x6110 },
+ { 0x07, 0x0200 },
+ { 0x08, 0xa807 },
+ { 0x09, 0x0021 },
+ { 0x0a, 0x7770 },
+ { 0x0b, 0x7770 },
+ { 0x0c, 0x002b },
+ { 0x0d, 0x2420 },
+ { 0x0e, 0x65c0 },
+ { 0x0f, 0x7770 },
+ { 0x10, 0x0420 },
+ { 0x11, 0x7418 },
+ { 0x12, 0x6bd0 },
+ { 0x13, 0x645f },
+ { 0x14, 0x0400 },
+ { 0x15, 0x8ccc },
+ { 0x16, 0x4c50 },
+ { 0x17, 0xff00 },
+ { 0x18, 0x0003 },
+ { 0x19, 0x2c11 },
+ { 0x1a, 0x830b },
+ { 0x1b, 0x4e4b },
+ { 0x1c, 0x0000 },
+ { 0x1d, 0x0000 },
+ { 0x1e, 0x0000 },
+ { 0x1f, 0x0000 },
+ { 0x20, 0x51ff },
+ { 0x21, 0x8000 },
+ { 0x22, 0x8f00 },
+ { 0x23, 0x88f4 },
+ { 0x24, 0x0000 },
+ { 0x25, 0x0000 },
+ { 0x26, 0x0000 },
+ { 0x27, 0x0000 },
+ { 0x28, 0x0000 },
+ { 0x29, 0x3000 },
+ { 0x2a, 0x0000 },
+ { 0x2b, 0x0000 },
+ { 0x2c, 0x0f00 },
+ { 0x2d, 0x100f },
+ { 0x2e, 0x2902 },
+ { 0x2f, 0xe280 },
+ { 0x30, 0x1000 },
+ { 0x31, 0x8400 },
+ { 0x32, 0x5aaa },
+ { 0x33, 0x8420 },
+ { 0x34, 0xa20c },
+ { 0x35, 0x096a },
+ { 0x36, 0x5757 },
+ { 0x37, 0xfe05 },
+ { 0x38, 0x4901 },
+ { 0x39, 0x110a },
+ { 0x3a, 0x0010 },
+ { 0x3b, 0x60d9 },
+ { 0x3c, 0xf214 },
+ { 0x3d, 0xc2ba },
+ { 0x3e, 0xa928 },
+ { 0x3f, 0x0000 },
+ { 0x40, 0x9800 },
+ { 0x41, 0x0000 },
+ { 0x42, 0x2000 },
+ { 0x43, 0x3d90 },
+ { 0x44, 0x4900 },
+ { 0x45, 0x5289 },
+ { 0x46, 0x0004 },
+ { 0x47, 0xa47a },
+ { 0x48, 0xd049 },
+ { 0x49, 0x0049 },
+ { 0x4a, 0xa83b },
+ { 0x4b, 0x0777 },
+ { 0x4c, 0x065c },
+ { 0x4d, 0x7fff },
+ { 0x4e, 0x7fff },
+ { 0x4f, 0x0000 },
+ { 0x50, 0x0000 },
+ { 0x51, 0x0000 },
+ { 0x52, 0xbf5f },
+ { 0x53, 0x3320 },
+ { 0x54, 0xcc00 },
+ { 0x55, 0x0000 },
+ { 0x56, 0x3f00 },
+ { 0x57, 0x0000 },
+ { 0x58, 0x0000 },
+ { 0x59, 0x0000 },
+ { 0x5a, 0x1300 },
+ { 0x5b, 0x005f },
+ { 0x5c, 0x0000 },
+ { 0x5d, 0x1001 },
+ { 0x5e, 0x1000 },
+ { 0x5f, 0x0000 },
+ { 0x60, 0x5554 },
+ { 0x61, 0xffc0 },
+ { 0x62, 0xa000 },
+ { 0x63, 0xd010 },
+ { 0x64, 0x0000 },
+ { 0x65, 0x3fb1 },
+ { 0x66, 0x1881 },
+ { 0x67, 0xc810 },
+ { 0x68, 0x2000 },
+ { 0x69, 0xfff0 },
+ { 0x6a, 0x0300 },
+ { 0x6b, 0x5060 },
+ { 0x6c, 0x0000 },
+ { 0x6d, 0x0000 },
+ { 0x6e, 0x0c25 },
+ { 0x6f, 0x0c0b },
+ { 0x70, 0x8000 },
+ { 0x71, 0x4008 },
+ { 0x72, 0x0000 },
+ { 0x73, 0x0800 },
+ { 0x74, 0xa28f },
+ { 0x75, 0xa050 },
+ { 0x76, 0x7fe8 },
+ { 0x77, 0xdb8c },
+ { 0x78, 0x0000 },
+ { 0x79, 0x0000 },
+ { 0x7a, 0x2a96 },
+ { 0x7b, 0x800f },
+ { 0x7c, 0x0200 },
+ { 0x7d, 0x1600 },
+ { 0x7e, 0x0000 },
+ { 0x7f, 0x0000 },
+};
+#define INDEX_CACHE_SIZE ARRAY_SIZE(rt274_index_def)
+
+static const struct reg_default rt274_reg[] = {
+ { 0x00170500, 0x00000400 },
+ { 0x00220000, 0x00000031 },
+ { 0x00239000, 0x00000057 },
+ { 0x0023a000, 0x00000057 },
+ { 0x00270500, 0x00000400 },
+ { 0x00370500, 0x00000400 },
+ { 0x00870500, 0x00000400 },
+ { 0x00920000, 0x00000031 },
+ { 0x00935000, 0x00000097 },
+ { 0x00936000, 0x00000097 },
+ { 0x00970500, 0x00000400 },
+ { 0x00b37000, 0x00000400 },
+ { 0x00b37200, 0x00000400 },
+ { 0x00b37300, 0x00000400 },
+ { 0x00c37000, 0x00000400 },
+ { 0x00c37100, 0x00000400 },
+ { 0x01270500, 0x00000400 },
+ { 0x01370500, 0x00000400 },
+ { 0x01371f00, 0x411111f0 },
+ { 0x01937000, 0x00000000 },
+ { 0x01970500, 0x00000400 },
+ { 0x02050000, 0x0000001b },
+ { 0x02139000, 0x00000080 },
+ { 0x0213a000, 0x00000080 },
+ { 0x02170100, 0x00000001 },
+ { 0x02170500, 0x00000400 },
+ { 0x02170700, 0x00000000 },
+ { 0x02270100, 0x00000000 },
+ { 0x02370100, 0x00000000 },
+ { 0x01970700, 0x00000020 },
+ { 0x00830000, 0x00000097 },
+ { 0x00930000, 0x00000097 },
+ { 0x01270700, 0x00000000 },
+};
+
+static bool rt274_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case 0 ... 0xff:
+ case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
+ case RT274_GET_HP_SENSE:
+ case RT274_GET_MIC_SENSE:
+ case RT274_PROC_COEF:
+ case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0):
+ case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0):
+ case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0):
+ case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0):
+ case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0):
+ case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0):
+ case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0):
+ return true;
+ default:
+ return false;
+ }
+
+
+}
+
+static bool rt274_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case 0 ... 0xff:
+ case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
+ case RT274_GET_HP_SENSE:
+ case RT274_GET_MIC_SENSE:
+ case RT274_SET_AUDIO_POWER:
+ case RT274_SET_HPO_POWER:
+ case RT274_SET_DMIC1_POWER:
+ case RT274_LOUT_MUX:
+ case RT274_HPO_MUX:
+ case RT274_ADC0_MUX:
+ case RT274_ADC1_MUX:
+ case RT274_SET_MIC:
+ case RT274_SET_PIN_HPO:
+ case RT274_SET_PIN_LOUT3:
+ case RT274_SET_PIN_DMIC1:
+ case RT274_SET_AMP_GAIN_HPO:
+ case RT274_SET_DMIC2_DEFAULT:
+ case RT274_DAC0L_GAIN:
+ case RT274_DAC0R_GAIN:
+ case RT274_DAC1L_GAIN:
+ case RT274_DAC1R_GAIN:
+ case RT274_ADCL_GAIN:
+ case RT274_ADCR_GAIN:
+ case RT274_MIC_GAIN:
+ case RT274_HPOL_GAIN:
+ case RT274_HPOR_GAIN:
+ case RT274_LOUTL_GAIN:
+ case RT274_LOUTR_GAIN:
+ case RT274_DAC_FORMAT:
+ case RT274_ADC_FORMAT:
+ case RT274_COEF_INDEX:
+ case RT274_PROC_COEF:
+ case RT274_SET_AMP_GAIN_ADC_IN1:
+ case RT274_SET_AMP_GAIN_ADC_IN2:
+ case RT274_SET_POWER(RT274_DAC_OUT0):
+ case RT274_SET_POWER(RT274_DAC_OUT1):
+ case RT274_SET_POWER(RT274_ADC_IN1):
+ case RT274_SET_POWER(RT274_ADC_IN2):
+ case RT274_SET_POWER(RT274_DMIC2):
+ case RT274_SET_POWER(RT274_MIC):
+ case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0):
+ case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0):
+ case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0):
+ case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0):
+ case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0):
+ case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0):
+ case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0):
+ case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0):
+ case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0):
+ return true;
+ default:
+ return false;
+ }
+}
+
+#ifdef CONFIG_PM
+static void rt274_index_sync(struct snd_soc_codec *codec)
+{
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+ int i;
+
+ for (i = 0; i < INDEX_CACHE_SIZE; i++) {
+ snd_soc_write(codec, rt274->index_cache[i].reg,
+ rt274->index_cache[i].def);
+ }
+}
+#endif
+
+static int rt274_jack_detect(struct rt274_priv *rt274, bool *hp, bool *mic)
+{
+ unsigned int buf;
+
+ *hp = false;
+ *mic = false;
+
+ if (!rt274->codec)
+ return -EINVAL;
+
+ regmap_read(rt274->regmap, RT274_GET_HP_SENSE, &buf);
+ *hp = buf & 0x80000000;
+ regmap_read(rt274->regmap, RT274_GET_MIC_SENSE, &buf);
+ *mic = buf & 0x80000000;
+
+ pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
+
+ return 0;
+}
+
+static void rt274_jack_detect_work(struct work_struct *work)
+{
+ struct rt274_priv *rt274 =
+ container_of(work, struct rt274_priv, jack_detect_work.work);
+ int status = 0;
+ bool hp = false;
+ bool mic = false;
+
+ if (rt274_jack_detect(rt274, &hp, &mic) < 0)
+ return;
+
+ if (hp == true)
+ status |= SND_JACK_HEADPHONE;
+
+ if (mic == true)
+ status |= SND_JACK_MICROPHONE;
+
+ snd_soc_jack_report(rt274->jack, status,
+ SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
+}
+
+static irqreturn_t rt274_irq(int irq, void *data);
+
+static int rt274_mic_detect(struct snd_soc_codec *codec,
+ struct snd_soc_jack *jack, void *data)
+{
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+ if (jack == NULL) {
+ /* Disable jack detection */
+ regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
+ RT274_IRQ_EN, RT274_IRQ_DIS);
+
+ return 0;
+ }
+ rt274->jack = jack;
+
+ regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
+ RT274_IRQ_EN, RT274_IRQ_EN);
+
+ /* Send an initial report */
+ rt274_irq(0, rt274);
+
+ return 0;
+}
+
+static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
+static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
+
+static const struct snd_kcontrol_new rt274_snd_controls[] = {
+ SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT274_DAC0L_GAIN,
+ RT274_DAC0R_GAIN, 0, 0x7f, 0, out_vol_tlv),
+ SOC_DOUBLE_R_TLV("DAC1 Playback Volume", RT274_DAC1L_GAIN,
+ RT274_DAC1R_GAIN, 0, 0x7f, 0, out_vol_tlv),
+ SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT274_ADCL_GAIN,
+ RT274_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
+ SOC_DOUBLE_R("ADC0 Capture Switch", RT274_ADCL_GAIN,
+ RT274_ADCR_GAIN, RT274_MUTE_SFT, 1, 1),
+ SOC_SINGLE_TLV("AMIC Volume", RT274_MIC_GAIN,
+ 0, 0x3, 0, mic_vol_tlv),
+};
+
+static const struct snd_kcontrol_new hpol_enable_control =
+ SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOL_GAIN,
+ RT274_MUTE_SFT, 1, 1);
+
+static const struct snd_kcontrol_new hpor_enable_control =
+ SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOR_GAIN,
+ RT274_MUTE_SFT, 1, 1);
+
+static const struct snd_kcontrol_new loutl_enable_control =
+ SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTL_GAIN,
+ RT274_MUTE_SFT, 1, 1);
+
+static const struct snd_kcontrol_new loutr_enable_control =
+ SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTR_GAIN,
+ RT274_MUTE_SFT, 1, 1);
+
+/* ADC0 source */
+static const char * const rt274_adc_src[] = {
+ "Mic", "Line1", "Line2", "Dmic"
+};
+
+static SOC_ENUM_SINGLE_DECL(
+ rt274_adc0_enum, RT274_ADC0_MUX, RT274_ADC_SEL_SFT,
+ rt274_adc_src);
+
+static const struct snd_kcontrol_new rt274_adc0_mux =
+ SOC_DAPM_ENUM("ADC 0 source", rt274_adc0_enum);
+
+static SOC_ENUM_SINGLE_DECL(
+ rt274_adc1_enum, RT274_ADC1_MUX, RT274_ADC_SEL_SFT,
+ rt274_adc_src);
+
+static const struct snd_kcontrol_new rt274_adc1_mux =
+ SOC_DAPM_ENUM("ADC 1 source", rt274_adc1_enum);
+
+static const char * const rt274_dac_src[] = {
+ "DAC OUT0", "DAC OUT1"
+};
+/* HP-OUT source */
+static SOC_ENUM_SINGLE_DECL(rt274_hpo_enum, RT274_HPO_MUX,
+ 0, rt274_dac_src);
+
+static const struct snd_kcontrol_new rt274_hpo_mux =
+SOC_DAPM_ENUM("HPO source", rt274_hpo_enum);
+
+/* Line out source */
+static SOC_ENUM_SINGLE_DECL(rt274_lout_enum, RT274_LOUT_MUX,
+ 0, rt274_dac_src);
+
+static const struct snd_kcontrol_new rt274_lout_mux =
+SOC_DAPM_ENUM("LOUT source", rt274_lout_enum);
+
+static const struct snd_soc_dapm_widget rt274_dapm_widgets[] = {
+ /* Input Lines */
+ SND_SOC_DAPM_INPUT("DMIC1 Pin"),
+ SND_SOC_DAPM_INPUT("DMIC2 Pin"),
+ SND_SOC_DAPM_INPUT("MIC"),
+ SND_SOC_DAPM_INPUT("LINE1"),
+ SND_SOC_DAPM_INPUT("LINE2"),
+
+ /* DMIC */
+ SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+ /* ADCs */
+ SND_SOC_DAPM_ADC("ADC 0", NULL, RT274_SET_STREAMID_ADC1, 4, 0),
+ SND_SOC_DAPM_ADC("ADC 1", NULL, RT274_SET_STREAMID_ADC2, 4, 0),
+
+ /* ADC Mux */
+ SND_SOC_DAPM_MUX("ADC 0 Mux", SND_SOC_NOPM, 0, 0,
+ &rt274_adc0_mux),
+ SND_SOC_DAPM_MUX("ADC 1 Mux", SND_SOC_NOPM, 0, 0,
+ &rt274_adc1_mux),
+
+ /* Audio Interface */
+ SND_SOC_DAPM_AIF_IN("AIF1RXL", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("AIF1RXR", "AIF1 Playback", 1, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF1TXL", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF1TXR", "AIF1 Capture", 1, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("AIF2RXL", "AIF1 Playback", 2, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("AIF2RXR", "AIF1 Playback", 3, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF2TXL", "AIF1 Capture", 2, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF2TXR", "AIF1 Capture", 3, SND_SOC_NOPM, 0, 0),
+
+ /* Output Side */
+ /* DACs */
+ SND_SOC_DAPM_DAC("DAC 0", NULL, RT274_SET_STREAMID_DAC0, 4, 0),
+ SND_SOC_DAPM_DAC("DAC 1", NULL, RT274_SET_STREAMID_DAC1, 4, 0),
+
+ /* Output Mux */
+ SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt274_hpo_mux),
+ SND_SOC_DAPM_MUX("LOUT Mux", SND_SOC_NOPM, 0, 0, &rt274_lout_mux),
+
+ SND_SOC_DAPM_SUPPLY("HP Power", RT274_SET_PIN_HPO,
+ RT274_SET_PIN_SFT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("LOUT Power", RT274_SET_PIN_LOUT3,
+ RT274_SET_PIN_SFT, 0, NULL, 0),
+
+ /* Output Mixer */
+ SND_SOC_DAPM_PGA("DAC OUT0", SND_SOC_NOPM, 0, 0,
+ NULL, 0),
+ SND_SOC_DAPM_PGA("DAC OUT1", SND_SOC_NOPM, 0, 0,
+ NULL, 0),
+
+ /* Output Pga */
+ SND_SOC_DAPM_SWITCH("LOUT L", SND_SOC_NOPM, 0, 0,
+ &loutl_enable_control),
+ SND_SOC_DAPM_SWITCH("LOUT R", SND_SOC_NOPM, 0, 0,
+ &loutr_enable_control),
+ SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
+ &hpol_enable_control),
+ SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
+ &hpor_enable_control),
+
+ /* Output Lines */
+ SND_SOC_DAPM_OUTPUT("HPO Pin"),
+ SND_SOC_DAPM_OUTPUT("SPDIF"),
+ SND_SOC_DAPM_OUTPUT("LINE3"),
+};
+
+static const struct snd_soc_dapm_route rt274_dapm_routes[] = {
+ {"DMIC1", NULL, "DMIC1 Pin"},
+ {"DMIC2", NULL, "DMIC2 Pin"},
+
+ {"ADC 0 Mux", "Mic", "MIC"},
+ {"ADC 0 Mux", "Dmic", "DMIC1"},
+ {"ADC 0 Mux", "Line1", "LINE1"},
+ {"ADC 0 Mux", "Line2", "LINE2"},
+ {"ADC 1 Mux", "Mic", "MIC"},
+ {"ADC 1 Mux", "Dmic", "DMIC2"},
+ {"ADC 1 Mux", "Line1", "LINE1"},
+ {"ADC 1 Mux", "Line2", "LINE2"},
+
+ {"ADC 0", NULL, "ADC 0 Mux"},
+ {"ADC 1", NULL, "ADC 1 Mux"},
+
+ {"AIF1TXL", NULL, "ADC 0"},
+ {"AIF1TXR", NULL, "ADC 0"},
+ {"AIF2TXL", NULL, "ADC 1"},
+ {"AIF2TXR", NULL, "ADC 1"},
+
+ {"DAC 0", NULL, "AIF1RXL"},
+ {"DAC 0", NULL, "AIF1RXR"},
+ {"DAC 1", NULL, "AIF2RXL"},
+ {"DAC 1", NULL, "AIF2RXR"},
+
+ {"DAC OUT0", NULL, "DAC 0"},
+
+ {"DAC OUT1", NULL, "DAC 1"},
+
+ {"LOUT Mux", "DAC OUT0", "DAC OUT0"},
+ {"LOUT Mux", "DAC OUT1", "DAC OUT1"},
+
+ {"LOUT L", "Switch", "LOUT Mux"},
+ {"LOUT R", "Switch", "LOUT Mux"},
+ {"LOUT L", NULL, "LOUT Power"},
+ {"LOUT R", NULL, "LOUT Power"},
+
+ {"LINE3", NULL, "LOUT L"},
+ {"LINE3", NULL, "LOUT R"},
+
+ {"HPO Mux", "DAC OUT0", "DAC OUT0"},
+ {"HPO Mux", "DAC OUT1", "DAC OUT1"},
+
+ {"HPO L", "Switch", "HPO Mux"},
+ {"HPO R", "Switch", "HPO Mux"},
+ {"HPO L", NULL, "HP Power"},
+ {"HPO R", NULL, "HP Power"},
+
+ {"HPO Pin", NULL, "HPO L"},
+ {"HPO Pin", NULL, "HPO R"},
+};
+
+static int rt274_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+ unsigned int val = 0;
+ int d_len_code = 0, c_len_code = 0;
+
+ switch (params_rate(params)) {
+ /* bit 14 0:48K 1:44.1K */
+ case 44100:
+ case 48000:
+ break;
+ default:
+ dev_err(codec->dev, "Unsupported sample rate %d\n",
+ params_rate(params));
+ return -EINVAL;
+ }
+ switch (rt274->sys_clk) {
+ case 12288000:
+ case 24576000:
+ if (params_rate(params) != 48000) {
+ dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
+ params_rate(params), rt274->sys_clk);
+ return -EINVAL;
+ }
+ break;
+ case 11289600:
+ case 22579200:
+ if (params_rate(params) != 44100) {
+ dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
+ params_rate(params), rt274->sys_clk);
+ return -EINVAL;
+ }
+ break;
+ }
+
+ if (params_channels(params) <= 16) {
+ /* bit 3:0 Number of Channel */
+ val |= (params_channels(params) - 1);
+ } else {
+ dev_err(codec->dev, "Unsupported channels %d\n",
+ params_channels(params));
+ return -EINVAL;
+ }
+
+ switch (params_width(params)) {
+ /* bit 6:4 Bits per Sample */
+ case 16:
+ d_len_code = 0;
+ c_len_code = 0;
+ val |= (0x1 << 4);
+ break;
+ case 32:
+ d_len_code = 2;
+ c_len_code = 3;
+ val |= (0x4 << 4);
+ break;
+ case 20:
+ d_len_code = 1;
+ c_len_code = 1;
+ val |= (0x2 << 4);
+ break;
+ case 24:
+ d_len_code = 2;
+ c_len_code = 2;
+ val |= (0x3 << 4);
+ break;
+ case 8:
+ d_len_code = 3;
+ c_len_code = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (rt274->master)
+ c_len_code = 0x3;
+
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL1, 0xc018, d_len_code << 3 | c_len_code << 14);
+ dev_dbg(codec->dev, "format val = 0x%x\n", val);
+
+ snd_soc_update_bits(codec, RT274_DAC_FORMAT, 0x407f, val);
+ snd_soc_update_bits(codec, RT274_ADC_FORMAT, 0x407f, val);
+
+ return 0;
+}
+
+static int rt274_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_M);
+ rt274->master = true;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_S);
+ rt274->master = false;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ snd_soc_update_bits(codec, RT274_I2S_CTRL1,
+ RT274_I2S_FMT_MASK, RT274_I2S_FMT_I2S);
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ snd_soc_update_bits(codec, RT274_I2S_CTRL1,
+ RT274_I2S_FMT_MASK, RT274_I2S_FMT_LJ);
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ snd_soc_update_bits(codec, RT274_I2S_CTRL1,
+ RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMA);
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ snd_soc_update_bits(codec, RT274_I2S_CTRL1,
+ RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMB);
+ break;
+ default:
+ return -EINVAL;
+ }
+ /* bit 15 Stream Type 0:PCM 1:Non-PCM */
+ snd_soc_update_bits(codec, RT274_DAC_FORMAT, 0x8000, 0);
+ snd_soc_update_bits(codec, RT274_ADC_FORMAT, 0x8000, 0);
+
+ return 0;
+}
+
+static int rt274_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
+ unsigned int freq_in, unsigned int freq_out)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+ switch (source) {
+ case RT274_PLL2_S_MCLK:
+ snd_soc_update_bits(codec, RT274_PLL2_CTRL,
+ RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_MCLK);
+ break;
+ default:
+ dev_warn(codec->dev, "invalid pll source, use BCLK\n");
+ case RT274_PLL2_S_BCLK:
+ snd_soc_update_bits(codec, RT274_PLL2_CTRL,
+ RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_BCLK);
+ break;
+ }
+
+ if (source == RT274_PLL2_S_BCLK) {
+ snd_soc_update_bits(codec, RT274_MCLK_CTRL,
+ (0x3 << 12), (0x3 << 12));
+ switch (rt274->fs) {
+ case 50:
+ snd_soc_write(codec, 0x7a, 0xaab6);
+ snd_soc_write(codec, 0x7b, 0x0301);
+ snd_soc_write(codec, 0x7c, 0x04fe);
+ break;
+ case 64:
+ snd_soc_write(codec, 0x7a, 0xaa96);
+ snd_soc_write(codec, 0x7b, 0x8003);
+ snd_soc_write(codec, 0x7c, 0x081e);
+ break;
+ case 128:
+ snd_soc_write(codec, 0x7a, 0xaa96);
+ snd_soc_write(codec, 0x7b, 0x8003);
+ snd_soc_write(codec, 0x7c, 0x080e);
+ break;
+ default:
+ dev_warn(codec->dev, "invalid freq_in, assume 4.8M\n");
+ case 100:
+ snd_soc_write(codec, 0x7a, 0xaab6);
+ snd_soc_write(codec, 0x7b, 0x0301);
+ snd_soc_write(codec, 0x7c, 0x047e);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int rt274_set_dai_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+ unsigned int clk_src, mclk_en;
+
+ dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
+
+ switch (clk_id) {
+ case RT274_SCLK_S_MCLK:
+ mclk_en = RT274_MCLK_MODE_EN;
+ clk_src = RT274_CLK_SRC_MCLK;
+ break;
+ case RT274_SCLK_S_PLL1:
+ mclk_en = RT274_MCLK_MODE_DIS;
+ clk_src = RT274_CLK_SRC_MCLK;
+ break;
+ case RT274_SCLK_S_PLL2:
+ mclk_en = RT274_MCLK_MODE_EN;
+ clk_src = RT274_CLK_SRC_PLL2;
+ break;
+ default:
+ mclk_en = RT274_MCLK_MODE_DIS;
+ clk_src = RT274_CLK_SRC_MCLK;
+ dev_warn(codec->dev, "invalid sysclk source, use PLL1\n");
+ break;
+ }
+ snd_soc_update_bits(codec, RT274_MCLK_CTRL,
+ RT274_MCLK_MODE_MASK, mclk_en);
+ snd_soc_update_bits(codec, RT274_CLK_CTRL,
+ RT274_CLK_SRC_MASK, clk_src);
+
+ switch (freq) {
+ case 19200000:
+ if (clk_id == RT274_SCLK_S_MCLK) {
+ dev_err(codec->dev, "Should not use MCLK\n");
+ return -EINVAL;
+ }
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL2, 0x40, 0x40);
+ break;
+ case 24000000:
+ if (clk_id == RT274_SCLK_S_MCLK) {
+ dev_err(codec->dev, "Should not use MCLK\n");
+ return -EINVAL;
+ }
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL2, 0x40, 0x0);
+ break;
+ case 12288000:
+ case 11289600:
+ snd_soc_update_bits(codec,
+ RT274_MCLK_CTRL, 0x1fcf, 0x0008);
+ break;
+ case 24576000:
+ case 22579200:
+ snd_soc_update_bits(codec,
+ RT274_MCLK_CTRL, 0x1fcf, 0x1543);
+ break;
+ default:
+ dev_err(codec->dev, "Unsupported system clock\n");
+ return -EINVAL;
+ }
+
+ rt274->sys_clk = freq;
+ rt274->clk_id = clk_id;
+
+ return 0;
+}
+
+static int rt274_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+ dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
+ rt274->fs = ratio;
+ if ((ratio / 50) == 0)
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL1, 0x1000, 0x1000);
+ else
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL1, 0x1000, 0x0);
+
+
+ return 0;
+}
+
+static int rt274_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
+ unsigned int rx_mask, int slots, int slot_width)
+
+{
+ struct snd_soc_codec *codec = dai->codec;
+
+ if (rx_mask || tx_mask) {
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_EN);
+ } else {
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_DIS);
+ return 0;
+ }
+
+ switch (slots) {
+ case 4:
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_4CH);
+ break;
+ case 2:
+ snd_soc_update_bits(codec,
+ RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_2CH);
+ break;
+ default:
+ dev_err(codec->dev,
+ "Support 2 or 4 slots TDM only\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rt274_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ switch (level) {
+ case SND_SOC_BIAS_PREPARE:
+ if (SND_SOC_BIAS_STANDBY ==
+ snd_soc_codec_get_bias_level(codec)) {
+ snd_soc_write(codec,
+ RT274_SET_AUDIO_POWER, AC_PWRST_D0);
+ }
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ snd_soc_write(codec,
+ RT274_SET_AUDIO_POWER, AC_PWRST_D3);
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static irqreturn_t rt274_irq(int irq, void *data)
+{
+ struct rt274_priv *rt274 = data;
+ bool hp = false;
+ bool mic = false;
+ int ret, status = 0;
+
+ /* Clear IRQ */
+ regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
+ RT274_IRQ_CLR, RT274_IRQ_CLR);
+
+ ret = rt274_jack_detect(rt274, &hp, &mic);
+
+ if (ret == 0) {
+ if (hp == true)
+ status |= SND_JACK_HEADPHONE;
+
+ if (mic == true)
+ status |= SND_JACK_MICROPHONE;
+
+ snd_soc_jack_report(rt274->jack, status,
+ SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
+
+ pm_wakeup_event(&rt274->i2c->dev, 300);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int rt274_probe(struct snd_soc_codec *codec)
+{
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+ rt274->codec = codec;
+
+ if (rt274->i2c->irq) {
+ INIT_DELAYED_WORK(&rt274->jack_detect_work,
+ rt274_jack_detect_work);
+ schedule_delayed_work(&rt274->jack_detect_work,
+ msecs_to_jiffies(1250));
+ }
+
+ return 0;
+}
+
+static int rt274_remove(struct snd_soc_codec *codec)
+{
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+ cancel_delayed_work_sync(&rt274->jack_detect_work);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int rt274_suspend(struct snd_soc_codec *codec)
+{
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+ regcache_cache_only(rt274->regmap, true);
+ regcache_mark_dirty(rt274->regmap);
+
+ return 0;
+}
+
+static int rt274_resume(struct snd_soc_codec *codec)
+{
+ struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+ regcache_cache_only(rt274->regmap, false);
+ rt274_index_sync(codec);
+ regcache_sync(rt274->regmap);
+
+ return 0;
+}
+#else
+#define rt274_suspend NULL