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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 
 kernel/sound/soc/codecs/cs42l42.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * cs42l42.c -- CS42L42 ALSA SoC audio driver
34  *
....@@ -6,11 +7,6 @@
67  * Author: James Schulman <james.schulman@cirrus.com>
78  * Author: Brian Austin <brian.austin@cirrus.com>
89  * Author: Michael White <michael.white@cirrus.com>
9
- *
10
- * This program is free software; you can redistribute it and/or modify
11
- * it under the terms of the GNU General Public License version 2 as
12
- * published by the Free Software Foundation.
13
- *
1410  */
1511 
1612 #include <linux/module.h>
....@@ -24,10 +20,9 @@
2420 #include <linux/regmap.h>
2521 #include <linux/slab.h>
2622 #include <linux/platform_device.h>
23
+#include <linux/property.h>
2724 #include <linux/regulator/consumer.h>
2825 #include <linux/gpio/consumer.h>
29
-#include <linux/of.h>
30
-#include <linux/of_gpio.h>
3126 #include <linux/of_device.h>
3227 #include <sound/core.h>
3328 #include <sound/pcm.h>
....@@ -402,6 +397,9 @@
402397 	.reg_defaults = cs42l42_reg_defaults,
403398 	.num_reg_defaults = ARRAY_SIZE(cs42l42_reg_defaults),
404399 	.cache_type = REGCACHE_RBTREE,
400
+
401
+	.use_single_read = true,
402
+	.use_single_write = true,
405403 };
406404 
407405 static DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 100, true);
....@@ -837,7 +835,7 @@
837835 	return 0;
838836 }
839837 
840
-static int cs42l42_digital_mute(struct snd_soc_dai *dai, int mute)
838
+static int cs42l42_mute(struct snd_soc_dai *dai, int mute, int direction)
841839 {
842840 	struct snd_soc_component *component = dai->component;
843841 	unsigned int regval;
....@@ -865,7 +863,7 @@
865863 				CS42L42_PLL_START_MASK,
866864 				1 << CS42L42_PLL_START_SHIFT);
867865 		/* Read the headphone load */
868
-		regval = snd_soc_component_read32(component, CS42L42_LOAD_DET_RCSTAT);
866
+		regval = snd_soc_component_read(component, CS42L42_LOAD_DET_RCSTAT);
869867 		if (((regval & CS42L42_RLA_STAT_MASK) >>
870868 			CS42L42_RLA_STAT_SHIFT) == CS42L42_RLA_STAT_15_OHM) {
871869 			fullScaleVol = CS42L42_HP_FULL_SCALE_VOL_MASK;
....@@ -897,7 +895,8 @@
897895 	.hw_params	= cs42l42_pcm_hw_params,
898896 	.set_fmt	= cs42l42_set_dai_fmt,
899897 	.set_sysclk	= cs42l42_set_sysclk,
900
-	.digital_mute = cs42l42_digital_mute
898
+	.mute_stream	= cs42l42_mute,
899
+	.no_capture_mute = 1,
901900 };
902901 
903902 static struct snd_soc_dai_driver cs42l42_dai = {
....@@ -1530,12 +1529,15 @@
15301529 			(1 << CS42L42_HS_CLAMP_DISABLE_SHIFT));
15311530 
15321531 	/* Enable the tip sense circuit */
1532
+	regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1533
+			   CS42L42_TS_INV_MASK, CS42L42_TS_INV_MASK);
1534
+
15331535 	regmap_update_bits(cs42l42->regmap, CS42L42_TIPSENSE_CTL,
15341536 			CS42L42_TIP_SENSE_CTRL_MASK |
15351537 			CS42L42_TIP_SENSE_INV_MASK |
15361538 			CS42L42_TIP_SENSE_DEBOUNCE_MASK,
15371539 			(3 << CS42L42_TIP_SENSE_CTRL_SHIFT) |
1538
-			(0 << CS42L42_TIP_SENSE_INV_SHIFT) |
1540
+			(!cs42l42->ts_inv << CS42L42_TIP_SENSE_INV_SHIFT) |
15391541 			(2 << CS42L42_TIP_SENSE_DEBOUNCE_SHIFT));
15401542 
15411543 	/* Save the initial status of the tip sense */
....@@ -1554,17 +1556,15 @@
15541556 	CS42L42_HS_DET_LEVEL_1
15551557 };
15561558 
1557
-static int cs42l42_handle_device_data(struct i2c_client *i2c_client,
1559
+static int cs42l42_handle_device_data(struct device *dev,
15581560 					struct cs42l42_private *cs42l42)
15591561 {
1560
-	struct device_node *np = i2c_client->dev.of_node;
15611562 	unsigned int val;
1562
-	unsigned int thresholds[CS42L42_NUM_BIASES];
1563
+	u32 thresholds[CS42L42_NUM_BIASES];
15631564 	int ret;
15641565 	int i;
15651566 
1566
-	ret = of_property_read_u32(np, "cirrus,ts-inv", &val);
1567
-
1567
+	ret = device_property_read_u32(dev, "cirrus,ts-inv", &val);
15681568 	if (!ret) {
15691569 		switch (val) {
15701570 		case CS42L42_TS_INV_EN:
....@@ -1572,7 +1572,7 @@
15721572 			cs42l42->ts_inv = val;
15731573 			break;
15741574 		default:
1575
-			dev_err(&i2c_client->dev,
1575
+			dev_err(dev,
15761576 				"Wrong cirrus,ts-inv DT value %d\n",
15771577 				val);
15781578 			cs42l42->ts_inv = CS42L42_TS_INV_DIS;
....@@ -1581,12 +1581,7 @@
15811581 		cs42l42->ts_inv = CS42L42_TS_INV_DIS;
15821582 	}
15831583 
1584
-	regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1585
-			CS42L42_TS_INV_MASK,
1586
-			(cs42l42->ts_inv << CS42L42_TS_INV_SHIFT));
1587
-
1588
-	ret = of_property_read_u32(np, "cirrus,ts-dbnc-rise", &val);
1589
-
1584
+	ret = device_property_read_u32(dev, "cirrus,ts-dbnc-rise", &val);
15901585 	if (!ret) {
15911586 		switch (val) {
15921587 		case CS42L42_TS_DBNCE_0:
....@@ -1600,7 +1595,7 @@
16001595 			cs42l42->ts_dbnc_rise = val;
16011596 			break;
16021597 		default:
1603
-			dev_err(&i2c_client->dev,
1598
+			dev_err(dev,
16041599 				"Wrong cirrus,ts-dbnc-rise DT value %d\n",
16051600 				val);
16061601 			cs42l42->ts_dbnc_rise = CS42L42_TS_DBNCE_1000;
....@@ -1614,8 +1609,7 @@
16141609 			(cs42l42->ts_dbnc_rise <<
16151610 			CS42L42_TS_RISE_DBNCE_TIME_SHIFT));
16161611 
1617
-	ret = of_property_read_u32(np, "cirrus,ts-dbnc-fall", &val);
1618
-
1612
+	ret = device_property_read_u32(dev, "cirrus,ts-dbnc-fall", &val);
16191613 	if (!ret) {
16201614 		switch (val) {
16211615 		case CS42L42_TS_DBNCE_0:
....@@ -1629,7 +1623,7 @@
16291623 			cs42l42->ts_dbnc_fall = val;
16301624 			break;
16311625 		default:
1632
-			dev_err(&i2c_client->dev,
1626
+			dev_err(dev,
16331627 				"Wrong cirrus,ts-dbnc-fall DT value %d\n",
16341628 				val);
16351629 			cs42l42->ts_dbnc_fall = CS42L42_TS_DBNCE_0;
....@@ -1643,14 +1637,12 @@
16431637 			(cs42l42->ts_dbnc_fall <<
16441638 			CS42L42_TS_FALL_DBNCE_TIME_SHIFT));
16451639 
1646
-	ret = of_property_read_u32(np, "cirrus,btn-det-init-dbnce", &val);
1647
-
1640
+	ret = device_property_read_u32(dev, "cirrus,btn-det-init-dbnce", &val);
16481641 	if (!ret) {
1649
-		if ((val >= CS42L42_BTN_DET_INIT_DBNCE_MIN) &&
1650
-			(val <= CS42L42_BTN_DET_INIT_DBNCE_MAX))
1642
+		if (val <= CS42L42_BTN_DET_INIT_DBNCE_MAX)
16511643 			cs42l42->btn_det_init_dbnce = val;
16521644 		else {
1653
-			dev_err(&i2c_client->dev,
1645
+			dev_err(dev,
16541646 				"Wrong cirrus,btn-det-init-dbnce DT value %d\n",
16551647 				val);
16561648 			cs42l42->btn_det_init_dbnce =
....@@ -1661,15 +1653,13 @@
16611653 			CS42L42_BTN_DET_INIT_DBNCE_DEFAULT;
16621654 	}
16631655 
1664
-	ret = of_property_read_u32(np, "cirrus,btn-det-event-dbnce", &val);
1665
-
1656
+	ret = device_property_read_u32(dev, "cirrus,btn-det-event-dbnce", &val);
16661657 	if (!ret) {
1667
-		if ((val >= CS42L42_BTN_DET_EVENT_DBNCE_MIN) &&
1668
-			(val <= CS42L42_BTN_DET_EVENT_DBNCE_MAX))
1658
+		if (val <= CS42L42_BTN_DET_EVENT_DBNCE_MAX)
16691659 			cs42l42->btn_det_event_dbnce = val;
16701660 		else {
1671
-			dev_err(&i2c_client->dev,
1672
-			"Wrong cirrus,btn-det-event-dbnce DT value %d\n", val);
1661
+			dev_err(dev,
1662
+				"Wrong cirrus,btn-det-event-dbnce DT value %d\n", val);
16731663 			cs42l42->btn_det_event_dbnce =
16741664 				CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT;
16751665 		}
....@@ -1678,20 +1668,17 @@
16781668 			CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT;
16791669 	}
16801670 
1681
-	ret = of_property_read_u32_array(np, "cirrus,bias-lvls",
1682
-				   (u32 *)thresholds, CS42L42_NUM_BIASES);
1683
-
1671
+	ret = device_property_read_u32_array(dev, "cirrus,bias-lvls",
1672
+					     thresholds, ARRAY_SIZE(thresholds));
16841673 	if (!ret) {
16851674 		for (i = 0; i < CS42L42_NUM_BIASES; i++) {
1686
-			if ((thresholds[i] >= CS42L42_HS_DET_LEVEL_MIN) &&
1687
-				(thresholds[i] <= CS42L42_HS_DET_LEVEL_MAX))
1675
+			if (thresholds[i] <= CS42L42_HS_DET_LEVEL_MAX)
16881676 				cs42l42->bias_thresholds[i] = thresholds[i];
16891677 			else {
1690
-				dev_err(&i2c_client->dev,
1691
-				"Wrong cirrus,bias-lvls[%d] DT value %d\n", i,
1678
+				dev_err(dev,
1679
+					"Wrong cirrus,bias-lvls[%d] DT value %d\n", i,
16921680 					thresholds[i]);
1693
-				cs42l42->bias_thresholds[i] =
1694
-					threshold_defaults[i];
1681
+				cs42l42->bias_thresholds[i] = threshold_defaults[i];
16951682 			}
16961683 		}
16971684 	} else {
....@@ -1699,8 +1686,7 @@
16991686 			cs42l42->bias_thresholds[i] = threshold_defaults[i];
17001687 	}
17011688 
1702
-	ret = of_property_read_u32(np, "cirrus,hs-bias-ramp-rate", &val);
1703
-
1689
+	ret = device_property_read_u32(dev, "cirrus,hs-bias-ramp-rate", &val);
17041690 	if (!ret) {
17051691 		switch (val) {
17061692 		case CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL:
....@@ -1720,7 +1706,7 @@
17201706 			cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME3;
17211707 			break;
17221708 		default:
1723
-			dev_err(&i2c_client->dev,
1709
+			dev_err(dev,
17241710 				"Wrong cirrus,hs-bias-ramp-rate DT value %d\n",
17251711 				val);
17261712 			cs42l42->hs_bias_ramp_rate = CS42L42_HSBIAS_RAMP_SLOW;
....@@ -1784,8 +1770,10 @@
17841770 	/* Reset the Device */
17851771 	cs42l42->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev,
17861772 		"reset", GPIOD_OUT_LOW);
1787
-	if (IS_ERR(cs42l42->reset_gpio))
1788
-		return PTR_ERR(cs42l42->reset_gpio);
1773
+	if (IS_ERR(cs42l42->reset_gpio)) {
1774
+		ret = PTR_ERR(cs42l42->reset_gpio);
1775
+		goto err_disable;
1776
+	}
17891777 
17901778 	if (cs42l42->reset_gpio) {
17911779 		dev_dbg(&i2c_client->dev, "Found reset GPIO\n");
....@@ -1820,13 +1808,13 @@
18201808 		dev_err(&i2c_client->dev,
18211809 			"CS42L42 Device ID (%X). Expected %X\n",
18221810 			devid, CS42L42_CHIP_ID);
1823
-		return ret;
1811
+		goto err_disable;
18241812 	}
18251813 
18261814 	ret = regmap_read(cs42l42->regmap, CS42L42_REVID, &reg);
18271815 	if (ret < 0) {
18281816 		dev_err(&i2c_client->dev, "Get Revision ID failed\n");
1829
-		return ret;
1817
+		goto err_disable;
18301818 	}
18311819 
18321820 	dev_info(&i2c_client->dev,
....@@ -1849,11 +1837,9 @@
18491837 			(1 << CS42L42_ADC_PDN_SHIFT) |
18501838 			(0 << CS42L42_PDN_ALL_SHIFT));
18511839 
1852
-	if (i2c_client->dev.of_node) {
1853
-		ret = cs42l42_handle_device_data(i2c_client, cs42l42);
1854
-		if (ret != 0)
1855
-			return ret;
1856
-	}
1840
+	ret = cs42l42_handle_device_data(&i2c_client->dev, cs42l42);
1841
+	if (ret != 0)
1842
+		goto err_disable;
18571843 
18581844 	/* Setup headset detection */
18591845 	cs42l42_setup_hs_type_detect(cs42l42);