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2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771 
 kernel/sound/soc/codecs/es8316.c
....@@ -1,33 +1,28 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * es8316.c -- es8316 ALSA SoC audio driver
34  * Copyright Everest Semiconductor Co.,Ltd
45  *
56  * Authors: David Yang <yangxiaohua@everest-semi.com>,
67  *          Daniel Drake <drake@endlessm.com>
7
- *
8
- * This program is free software; you can redistribute it and/or modify
9
- * it under the terms of the GNU General Public License version 2 as
10
- * published by the Free Software Foundation.
118  */
129 
1310 #include <linux/module.h>
1411 #include <linux/acpi.h>
1512 #include <linux/clk.h>
1613 #include <linux/delay.h>
17
-#include <linux/extcon.h>
18
-#include <linux/gpio.h>
1914 #include <linux/i2c.h>
2015 #include <linux/mod_devicetable.h>
21
-#include <linux/of_gpio.h>
16
+#include <linux/mutex.h>
2217 #include <linux/regmap.h>
2318 #include <sound/pcm.h>
2419 #include <sound/pcm_params.h>
2520 #include <sound/soc.h>
2621 #include <sound/soc-dapm.h>
2722 #include <sound/tlv.h>
23
+#include <sound/jack.h>
2824 #include "es8316.h"
2925 
30
-#define ES8316_EXTCON_ID EXTCON_JACK_HEADPHONE
3126 /* In slave mode at single speed, the codec is documented as accepting 5
3227  * MCLK/LRCK ratios, but we also add ratio 400, which is commonly used on
3328  * Intel Cherry Trail platforms (19.2MHz MCLK, 48kHz LRCK).
....@@ -38,16 +33,16 @@
3833 };
3934 
4035 struct es8316_priv {
36
+	struct mutex lock;
37
+	struct clk *mclk;
38
+	struct regmap *regmap;
39
+	struct snd_soc_component *component;
40
+	struct snd_soc_jack *jack;
41
+	int irq;
4142 	unsigned int sysclk;
4243 	unsigned int allowed_rates[NR_SUPPORTED_MCLK_LRCK_RATIOS];
4344 	struct snd_pcm_hw_constraint_list sysclk_constraints;
44
-	struct clk *mclk;
45
-
46
-	struct gpio_desc *gpiod_spk_ctl;
47
-	bool muted;
48
-	bool hp_inserted;
49
-	struct notifier_block extcon_nb;
50
-	int pwr_count;
45
+	bool jd_inverted;
5146 };
5247 
5348 /*
....@@ -57,7 +52,12 @@
5752 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9600, 50, 1);
5853 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_max_gain_tlv, -650, 150, 0);
5954 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_min_gain_tlv, -1200, 150, 0);
60
-static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_target_tlv, -1650, 150, 0);
55
+
56
+static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(alc_target_tlv,
57
+	0, 10, TLV_DB_SCALE_ITEM(-1650, 150, 0),
58
+	11, 11, TLV_DB_SCALE_ITEM(-150, 0, 0),
59
+);
60
+
6161 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(hpmixer_gain_tlv,
6262 	0, 4, TLV_DB_SCALE_ITEM(-1200, 150, 0),
6363 	8, 11, TLV_DB_SCALE_ITEM(-450, 150, 0),
....@@ -94,7 +94,7 @@
9494 	SOC_DOUBLE_TLV("Headphone Playback Volume", ES8316_CPHP_ICAL_VOL,
9595 		       4, 0, 3, 1, hpout_vol_tlv),
9696 	SOC_DOUBLE_TLV("Headphone Mixer Volume", ES8316_HPMIX_VOL,
97
-		       0, 4, 11, 0, hpmixer_gain_tlv),
97
+		       4, 0, 11, 0, hpmixer_gain_tlv),
9898 
9999 	SOC_ENUM("Playback Polarity", dacpol),
100100 	SOC_DOUBLE_R_TLV("DAC Playback Volume", ES8316_DAC_VOLL,
....@@ -104,6 +104,7 @@
104104 	SOC_SINGLE("DAC Notch Filter Switch", ES8316_DAC_SET2, 6, 1, 0),
105105 	SOC_SINGLE("DAC Double Fs Switch", ES8316_DAC_SET2, 7, 1, 0),
106106 	SOC_SINGLE("DAC Stereo Enhancement", ES8316_DAC_SET3, 0, 7, 0),
107
+	SOC_SINGLE("DAC Mono Mix Switch", ES8316_DAC_SET3, 3, 1, 0),
107108 
108109 	SOC_ENUM("Capture Polarity", adcpol),
109110 	SOC_SINGLE("Mic Boost Switch", ES8316_ADC_D2SEPGA, 0, 1, 0),
....@@ -119,7 +120,7 @@
119120 		       alc_max_gain_tlv),
120121 	SOC_SINGLE_TLV("ALC Capture Min Volume", ES8316_ADC_ALC2, 0, 28, 0,
121122 		       alc_min_gain_tlv),
122
-	SOC_SINGLE_TLV("ALC Capture Target Volume", ES8316_ADC_ALC3, 4, 10, 0,
123
+	SOC_SINGLE_TLV("ALC Capture Target Volume", ES8316_ADC_ALC3, 4, 11, 0,
123124 		       alc_target_tlv),
124125 	SOC_SINGLE("ALC Capture Hold Time", ES8316_ADC_ALC3, 0, 10, 0),
125126 	SOC_SINGLE("ALC Capture Decay Time", ES8316_ADC_ALC4, 4, 10, 0),
....@@ -152,7 +153,7 @@
152153 		"dmic data at high level",
153154 		"dmic data at low level",
154155 };
155
-static const unsigned int es8316_dmic_values[] = { 0, 1, 2 };
156
+static const unsigned int es8316_dmic_values[] = { 0, 2, 3 };
156157 static const struct soc_enum es8316_dmic_src_enum =
157158 	SOC_VALUE_ENUM_SINGLE(ES8316_ADC_DMIC, 0, 3,
158159 			      ARRAY_SIZE(es8316_dmic_txt),
....@@ -168,8 +169,6 @@
168169 	"lin-rin with Boost",
169170 	"lin-rin with Boost and PGA"
170171 };
171
-
172
-static const unsigned int es8316_hpmux_values[] = { 0, 1, 2, 3 };
173172 
174173 static SOC_ENUM_SINGLE_DECL(es8316_left_hpmux_enum, ES8316_HPMIX_SEL,
175174 	4, es8316_hpmux_texts);
....@@ -200,8 +199,6 @@
200199 	"RDATA TO LDAC, RDATA TO RDAC",
201200 	"RDATA TO LDAC, LDATA TO RDAC",
202201 };
203
-
204
-static const unsigned int es8316_dacsrc_values[] = { 0, 1, 2, 3 };
205202 
206203 static SOC_ENUM_SINGLE_DECL(es8316_dacsrc_mux_enum, ES8316_DAC_SET1,
207204 	6, es8316_dacsrc_texts);
....@@ -368,13 +365,19 @@
368365 {
369366 	struct snd_soc_component *component = codec_dai->component;
370367 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
371
-	int i;
368
+	int i, ret;
372369 	int count = 0;
373370 
374371 	es8316->sysclk = freq;
372
+	es8316->sysclk_constraints.list = NULL;
373
+	es8316->sysclk_constraints.count = 0;
375374 
376375 	if (freq == 0)
377376 		return 0;
377
+
378
+	ret = clk_set_rate(es8316->mclk, freq);
379
+	if (ret)
380
+		return ret;
378381 
379382 	/* Limit supported sample rates to ones that can be autodetected
380383 	 * by the codec running in slave mode.
....@@ -386,8 +389,10 @@
386389 			es8316->allowed_rates[count++] = freq / ratio;
387390 	}
388391 
389
-	es8316->sysclk_constraints.list = es8316->allowed_rates;
390
-	es8316->sysclk_constraints.count = count;
392
+	if (count) {
393
+		es8316->sysclk_constraints.list = es8316->allowed_rates;
394
+		es8316->sysclk_constraints.count = count;
395
+	}
391396 
392397 	return 0;
393398 }
....@@ -449,17 +454,10 @@
449454 	struct snd_soc_component *component = dai->component;
450455 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
451456 
452
-	if (es8316->sysclk == 0) {
453
-		dev_err(component->dev, "No sysclk provided\n");
454
-		return -EINVAL;
455
-	}
456
-
457
-	/* The set of sample rates that can be supported depends on the
458
-	 * MCLK supplied to the CODEC.
459
-	 */
460
-	snd_pcm_hw_constraint_list(substream->runtime, 0,
461
-				   SNDRV_PCM_HW_PARAM_RATE,
462
-				   &es8316->sysclk_constraints);
457
+	if (es8316->sysclk_constraints.list)
458
+		snd_pcm_hw_constraint_list(substream->runtime, 0,
459
+					   SNDRV_PCM_HW_PARAM_RATE,
460
+					   &es8316->sysclk_constraints);
463461 
464462 	return 0;
465463 }
....@@ -471,11 +469,19 @@
471469 	struct snd_soc_component *component = dai->component;
472470 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
473471 	u8 wordlen = 0;
472
+	int i;
474473 
475
-	if (!es8316->sysclk) {
476
-		dev_err(component->dev, "No MCLK configured\n");
477
-		return -EINVAL;
474
+	/* Validate supported sample rates that are autodetected from MCLK */
475
+	for (i = 0; i < NR_SUPPORTED_MCLK_LRCK_RATIOS; i++) {
476
+		const unsigned int ratio = supported_mclk_lrck_ratios[i];
477
+
478
+		if (es8316->sysclk % ratio != 0)
479
+			continue;
480
+		if (es8316->sysclk / ratio == params_rate(params))
481
+			break;
478482 	}
483
+	if (i == NR_SUPPORTED_MCLK_LRCK_RATIOS)
484
+		return -EINVAL;
479485 
480486 	switch (params_format(params)) {
481487 	case SNDRV_PCM_FORMAT_S16_LE:
....@@ -501,75 +507,10 @@
501507 	return 0;
502508 }
503509 
504
-static void es8316_enable_spk(struct es8316_priv *es8316, bool enable)
510
+static int es8316_mute(struct snd_soc_dai *dai, int mute, int direction)
505511 {
506
-	if (!es8316 || !es8316->gpiod_spk_ctl)
507
-		return;
508
-	gpiod_set_value(es8316->gpiod_spk_ctl, enable);
509
-}
510
-
511
-static int es8316_extcon_notifier(struct notifier_block *self, unsigned long event, void *ptr)
512
-{
513
-	struct es8316_priv *es8316 = container_of(self, struct es8316_priv,
514
-						  extcon_nb);
515
-
516
-	if (event) {
517
-		es8316->hp_inserted = true;
518
-		es8316_enable_spk(es8316, false);
519
-	} else {
520
-		es8316->hp_inserted = false;
521
-	}
522
-	return NOTIFY_DONE;
523
-}
524
-
525
-static int es8316_mute(struct snd_soc_dai *dai, int mute)
526
-{
527
-	struct snd_soc_component *component = dai->component;
528
-	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
529
-	unsigned int val = mute ? 0x20 : 0;
530
-
531
-	es8316->muted = mute;
532
-	if (mute) {
533
-		es8316_enable_spk(es8316, false);
534
-		msleep(100);
535
-		snd_soc_component_update_bits(dai->component, ES8316_DAC_SET1, 0x20, val);
536
-	} else {
537
-		snd_soc_component_update_bits(dai->component, ES8316_DAC_SET1, 0x20, val);
538
-		msleep(130);
539
-		if (!es8316->hp_inserted)
540
-			es8316_enable_spk(es8316, true);
541
-	}
542
-	return 0;
543
-}
544
-
545
-static int es8316_set_bias_level(struct snd_soc_component *component,
546
-				 enum snd_soc_bias_level level)
547
-{
548
-	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
549
-	int ret;
550
-
551
-	switch (level) {
552
-	case SND_SOC_BIAS_ON:
553
-		break;
554
-	case SND_SOC_BIAS_PREPARE:
555
-		if (IS_ERR(es8316->mclk))
556
-			break;
557
-
558
-		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) {
559
-			clk_disable_unprepare(es8316->mclk);
560
-		} else {
561
-			ret = clk_prepare_enable(es8316->mclk);
562
-			if (ret)
563
-				return ret;
564
-		}
565
-		break;
566
-
567
-	case SND_SOC_BIAS_STANDBY:
568
-		break;
569
-
570
-	case SND_SOC_BIAS_OFF:
571
-		break;
572
-	}
512
+	snd_soc_component_update_bits(dai->component, ES8316_DAC_SET1, 0x20,
513
+			    mute ? 0x20 : 0);
573514 	return 0;
574515 }
575516 
....@@ -581,7 +522,8 @@
581522 	.hw_params = es8316_pcm_hw_params,
582523 	.set_fmt = es8316_set_dai_fmt,
583524 	.set_sysclk = es8316_set_dai_sysclk,
584
-	.digital_mute = es8316_mute,
525
+	.mute_stream = es8316_mute,
526
+	.no_capture_mute = 1,
585527 };
586528 
587529 static struct snd_soc_dai_driver es8316_dai = {
....@@ -604,18 +546,189 @@
604546 	.symmetric_rates = 1,
605547 };
606548 
549
+static void es8316_enable_micbias_for_mic_gnd_short_detect(
550
+	struct snd_soc_component *component)
551
+{
552
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
553
+
554
+	snd_soc_dapm_mutex_lock(dapm);
555
+	snd_soc_dapm_force_enable_pin_unlocked(dapm, "Bias");
556
+	snd_soc_dapm_force_enable_pin_unlocked(dapm, "Analog power");
557
+	snd_soc_dapm_force_enable_pin_unlocked(dapm, "Mic Bias");
558
+	snd_soc_dapm_sync_unlocked(dapm);
559
+	snd_soc_dapm_mutex_unlock(dapm);
560
+
561
+	msleep(20);
562
+}
563
+
564
+static void es8316_disable_micbias_for_mic_gnd_short_detect(
565
+	struct snd_soc_component *component)
566
+{
567
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
568
+
569
+	snd_soc_dapm_mutex_lock(dapm);
570
+	snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Bias");
571
+	snd_soc_dapm_disable_pin_unlocked(dapm, "Analog power");
572
+	snd_soc_dapm_disable_pin_unlocked(dapm, "Bias");
573
+	snd_soc_dapm_sync_unlocked(dapm);
574
+	snd_soc_dapm_mutex_unlock(dapm);
575
+}
576
+
577
+static irqreturn_t es8316_irq(int irq, void *data)
578
+{
579
+	struct es8316_priv *es8316 = data;
580
+	struct snd_soc_component *comp = es8316->component;
581
+	unsigned int flags;
582
+
583
+	mutex_lock(&es8316->lock);
584
+
585
+	regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);
586
+	if (flags == 0x00)
587
+		goto out; /* Powered-down / reset */
588
+
589
+	/* Catch spurious IRQ before set_jack is called */
590
+	if (!es8316->jack)
591
+		goto out;
592
+
593
+	if (es8316->jd_inverted)
594
+		flags ^= ES8316_GPIO_FLAG_HP_NOT_INSERTED;
595
+
596
+	dev_dbg(comp->dev, "gpio flags %#04x\n", flags);
597
+	if (flags & ES8316_GPIO_FLAG_HP_NOT_INSERTED) {
598
+		/* Jack removed, or spurious IRQ? */
599
+		if (es8316->jack->status & SND_JACK_MICROPHONE)
600
+			es8316_disable_micbias_for_mic_gnd_short_detect(comp);
601
+
602
+		if (es8316->jack->status & SND_JACK_HEADPHONE) {
603
+			snd_soc_jack_report(es8316->jack, 0,
604
+					    SND_JACK_HEADSET | SND_JACK_BTN_0);
605
+			dev_dbg(comp->dev, "jack unplugged\n");
606
+		}
607
+	} else if (!(es8316->jack->status & SND_JACK_HEADPHONE)) {
608
+		/* Jack inserted, determine type */
609
+		es8316_enable_micbias_for_mic_gnd_short_detect(comp);
610
+		regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);
611
+		if (es8316->jd_inverted)
612
+			flags ^= ES8316_GPIO_FLAG_HP_NOT_INSERTED;
613
+		dev_dbg(comp->dev, "gpio flags %#04x\n", flags);
614
+		if (flags & ES8316_GPIO_FLAG_HP_NOT_INSERTED) {
615
+			/* Jack unplugged underneath us */
616
+			es8316_disable_micbias_for_mic_gnd_short_detect(comp);
617
+		} else if (flags & ES8316_GPIO_FLAG_GM_NOT_SHORTED) {
618
+			/* Open, headset */
619
+			snd_soc_jack_report(es8316->jack,
620
+					    SND_JACK_HEADSET,
621
+					    SND_JACK_HEADSET);
622
+			/* Keep mic-gnd-short detection on for button press */
623
+		} else {
624
+			/* Shorted, headphones */
625
+			snd_soc_jack_report(es8316->jack,
626
+					    SND_JACK_HEADPHONE,
627
+					    SND_JACK_HEADSET);
628
+			/* No longer need mic-gnd-short detection */
629
+			es8316_disable_micbias_for_mic_gnd_short_detect(comp);
630
+		}
631
+	} else if (es8316->jack->status & SND_JACK_MICROPHONE) {
632
+		/* Interrupt while jack inserted, report button state */
633
+		if (flags & ES8316_GPIO_FLAG_GM_NOT_SHORTED) {
634
+			/* Open, button release */
635
+			snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);
636
+		} else {
637
+			/* Short, button press */
638
+			snd_soc_jack_report(es8316->jack,
639
+					    SND_JACK_BTN_0,
640
+					    SND_JACK_BTN_0);
641
+		}
642
+	}
643
+
644
+out:
645
+	mutex_unlock(&es8316->lock);
646
+	return IRQ_HANDLED;
647
+}
648
+
649
+static void es8316_enable_jack_detect(struct snd_soc_component *component,
650
+				      struct snd_soc_jack *jack)
651
+{
652
+	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
653
+
654
+	/*
655
+	 * Init es8316->jd_inverted here and not in the probe, as we cannot
656
+	 * guarantee that the bytchr-es8316 driver, which might set this
657
+	 * property, will probe before us.
658
+	 */
659
+	es8316->jd_inverted = device_property_read_bool(component->dev,
660
+							"everest,jack-detect-inverted");
661
+
662
+	mutex_lock(&es8316->lock);
663
+
664
+	es8316->jack = jack;
665
+
666
+	if (es8316->jack->status & SND_JACK_MICROPHONE)
667
+		es8316_enable_micbias_for_mic_gnd_short_detect(component);
668
+
669
+	snd_soc_component_update_bits(component, ES8316_GPIO_DEBOUNCE,
670
+				      ES8316_GPIO_ENABLE_INTERRUPT,
671
+				      ES8316_GPIO_ENABLE_INTERRUPT);
672
+
673
+	mutex_unlock(&es8316->lock);
674
+
675
+	/* Enable irq and sync initial jack state */
676
+	enable_irq(es8316->irq);
677
+	es8316_irq(es8316->irq, es8316);
678
+}
679
+
680
+static void es8316_disable_jack_detect(struct snd_soc_component *component)
681
+{
682
+	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
683
+
684
+	disable_irq(es8316->irq);
685
+
686
+	mutex_lock(&es8316->lock);
687
+
688
+	snd_soc_component_update_bits(component, ES8316_GPIO_DEBOUNCE,
689
+				      ES8316_GPIO_ENABLE_INTERRUPT, 0);
690
+
691
+	if (es8316->jack->status & SND_JACK_MICROPHONE) {
692
+		es8316_disable_micbias_for_mic_gnd_short_detect(component);
693
+		snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);
694
+	}
695
+
696
+	es8316->jack = NULL;
697
+
698
+	mutex_unlock(&es8316->lock);
699
+}
700
+
701
+static int es8316_set_jack(struct snd_soc_component *component,
702
+			   struct snd_soc_jack *jack, void *data)
703
+{
704
+	if (jack)
705
+		es8316_enable_jack_detect(component, jack);
706
+	else
707
+		es8316_disable_jack_detect(component);
708
+
709
+	return 0;
710
+}
711
+
607712 static int es8316_probe(struct snd_soc_component *component)
608713 {
609714 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
610
-	int ret = 0;
715
+	int ret;
611716 
612
-	es8316->mclk = devm_clk_get(component->dev, "mclk");
613
-	if (PTR_ERR(es8316->mclk) == -EPROBE_DEFER)
614
-		return -EPROBE_DEFER;
717
+	es8316->component = component;
718
+
719
+	es8316->mclk = devm_clk_get_optional(component->dev, "mclk");
720
+	if (IS_ERR(es8316->mclk)) {
721
+		dev_err(component->dev, "unable to get mclk\n");
722
+		return PTR_ERR(es8316->mclk);
723
+	}
724
+	if (!es8316->mclk)
725
+		dev_warn(component->dev, "assuming static mclk\n");
615726 
616727 	ret = clk_prepare_enable(es8316->mclk);
617
-	if (ret)
728
+	if (ret) {
729
+		dev_err(component->dev, "unable to enable mclk\n");
618730 		return ret;
731
+	}
619732 
620733 	/* Reset codec and enable current state machine */
621734 	snd_soc_component_write(component, ES8316_RESET, 0x3f);
....@@ -649,7 +762,7 @@
649762 static const struct snd_soc_component_driver soc_component_dev_es8316 = {
650763 	.probe			= es8316_probe,
651764 	.remove			= es8316_remove,
652
-	.set_bias_level		= es8316_set_bias_level,
765
+	.set_jack		= es8316_set_jack,
653766 	.controls		= es8316_snd_controls,
654767 	.num_controls		= ARRAY_SIZE(es8316_snd_controls),
655768 	.dapm_widgets		= es8316_dapm_widgets,
....@@ -661,60 +774,57 @@
661774 	.non_legacy_dai_naming	= 1,
662775 };
663776 
777
+static const struct regmap_range es8316_volatile_ranges[] = {
778
+	regmap_reg_range(ES8316_GPIO_FLAG, ES8316_GPIO_FLAG),
779
+};
780
+
781
+static const struct regmap_access_table es8316_volatile_table = {
782
+	.yes_ranges	= es8316_volatile_ranges,
783
+	.n_yes_ranges	= ARRAY_SIZE(es8316_volatile_ranges),
784
+};
785
+
664786 static const struct regmap_config es8316_regmap = {
665787 	.reg_bits = 8,
666788 	.val_bits = 8,
667789 	.max_register = 0x53,
790
+	.volatile_table	= &es8316_volatile_table,
668791 	.cache_type = REGCACHE_RBTREE,
669792 };
670793 
671794 static int es8316_i2c_probe(struct i2c_client *i2c_client,
672795 			    const struct i2c_device_id *id)
673796 {
797
+	struct device *dev = &i2c_client->dev;
674798 	struct es8316_priv *es8316;
675
-	struct extcon_dev *edev;
676
-	struct regmap *regmap;
677
-	int ret = -1;
799
+	int ret;
678800 
679801 	es8316 = devm_kzalloc(&i2c_client->dev, sizeof(struct es8316_priv),
680802 			      GFP_KERNEL);
681803 	if (es8316 == NULL)
682804 		return -ENOMEM;
683
-	es8316->hp_inserted = false;
684
-	es8316->muted = true;
805
+
685806 	i2c_set_clientdata(i2c_client, es8316);
686807 
687
-	regmap = devm_regmap_init_i2c(i2c_client, &es8316_regmap);
688
-	if (IS_ERR(regmap))
689
-		return PTR_ERR(regmap);
690
-	es8316->gpiod_spk_ctl = devm_gpiod_get_optional(&i2c_client->dev,
691
-							"spk-con",
692
-							GPIOD_OUT_LOW);
693
-	if (IS_ERR(es8316->gpiod_spk_ctl)) {
694
-		ret = IS_ERR(es8316->gpiod_spk_ctl);
695
-		es8316->gpiod_spk_ctl = NULL;
696
-		dev_warn(&i2c_client->dev, "cannot get spk-con-gpio %d\n", ret);
697
-	}
698
-	if (device_property_read_bool(&i2c_client->dev, "extcon")) {
699
-		edev = extcon_get_edev_by_phandle(&i2c_client->dev, 0);
700
-		if (IS_ERR(edev)) {
701
-			if (PTR_ERR(edev) == -EPROBE_DEFER)
702
-				return -EPROBE_DEFER;
703
-			dev_err(&i2c_client->dev, "Invalid or missing extcon\n");
704
-			return PTR_ERR(edev);
705
-		}
706
-		es8316->extcon_nb.notifier_call = es8316_extcon_notifier;
707
-		ret = devm_extcon_register_notifier(&i2c_client->dev, edev,
708
-						ES8316_EXTCON_ID,
709
-						&es8316->extcon_nb);
710
-		if (ret < 0) {
711
-			dev_err(&i2c_client->dev, "register notifier fail\n");
712
-			return ret;
808
+	es8316->regmap = devm_regmap_init_i2c(i2c_client, &es8316_regmap);
809
+	if (IS_ERR(es8316->regmap))
810
+		return PTR_ERR(es8316->regmap);
811
+
812
+	es8316->irq = i2c_client->irq;
813
+	mutex_init(&es8316->lock);
814
+
815
+	if (es8316->irq > 0) {
816
+		ret = devm_request_threaded_irq(dev, es8316->irq, NULL, es8316_irq,
817
+						IRQF_TRIGGER_HIGH | IRQF_ONESHOT | IRQF_NO_AUTOEN,
818
+						"es8316", es8316);
819
+		if (ret) {
820
+			dev_warn(dev, "Failed to get IRQ %d: %d\n", es8316->irq, ret);
821
+			es8316->irq = -ENXIO;
713822 		}
714823 	}
824
+
715825 	return devm_snd_soc_register_component(&i2c_client->dev,
716
-					       &soc_component_dev_es8316,
717
-					       &es8316_dai, 1);
826
+				      &soc_component_dev_es8316,
827
+				      &es8316_dai, 1);
718828 }
719829 
720830 static const struct i2c_device_id es8316_i2c_id[] = {
....@@ -729,11 +839,13 @@
729839 };
730840 MODULE_DEVICE_TABLE(of, es8316_of_match);
731841 
842
+#ifdef CONFIG_ACPI
732843 static const struct acpi_device_id es8316_acpi_match[] = {
733844 	{"ESSX8316", 0},
734845 	{},
735846 };
736847 MODULE_DEVICE_TABLE(acpi, es8316_acpi_match);
848
+#endif
737849 
738850 static struct i2c_driver es8316_i2c_driver = {
739851 	.driver = {