Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c
index 1093f76..cae1def 100644
--- a/sound/soc/codecs/max98373.c
+++ b/sound/soc/codecs/max98373.c
@@ -2,6 +2,7 @@
 // Copyright (c) 2017, Maxim Integrated
 
 #include <linux/acpi.h>
+#include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/module.h>
 #include <linux/regmap.h>
@@ -11,6 +12,7 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include <linux/gpio.h>
+#include <linux/of.h>
 #include <linux/of_gpio.h>
 #include <sound/tlv.h>
 #include "max98373.h"
@@ -266,6 +268,12 @@
 	case 48000:
 		sampling_rate = MAX98373_PCM_SR_SET1_SR_48000;
 		break;
+	case 88200:
+		sampling_rate = MAX98373_PCM_SR_SET1_SR_88200;
+		break;
+	case 96000:
+		sampling_rate = MAX98373_PCM_SR_SET1_SR_96000;
+		break;
 	default:
 		dev_err(component->dev, "rate %d not supported\n",
 			params_rate(params));
@@ -407,7 +415,7 @@
 		regmap_update_bits(max98373->regmap,
 			MAX98373_R20FF_GLOBAL_SHDN,
 			MAX98373_GLOBAL_EN_MASK, 0);
-		max98373->tdm_mode = 0;
+		max98373->tdm_mode = false;
 		break;
 	default:
 		return 0;
@@ -454,7 +462,7 @@
 SND_SOC_DAPM_SIGGEN("FBMON"),
 };
 
-static DECLARE_TLV_DB_SCALE(max98373_digital_tlv, 0, -50, 0);
+static DECLARE_TLV_DB_SCALE(max98373_digital_tlv, -6350, 50, 1);
 static const DECLARE_TLV_DB_RANGE(max98373_spk_tlv,
 	0, 8, TLV_DB_SCALE_ITEM(0, 50, 0),
 	9, 10, TLV_DB_SCALE_ITEM(500, 100, 0),
@@ -470,19 +478,19 @@
 	0, 9, TLV_DB_SCALE_ITEM(800, 100, 0),
 );
 static const DECLARE_TLV_DB_RANGE(max98373_dht_rotation_point_tlv,
-	0, 1, TLV_DB_SCALE_ITEM(-50, -50, 0),
-	2, 7, TLV_DB_SCALE_ITEM(-200, -100, 0),
-	8, 9, TLV_DB_SCALE_ITEM(-1000, -200, 0),
-	10, 11, TLV_DB_SCALE_ITEM(-1500, -300, 0),
-	12, 13, TLV_DB_SCALE_ITEM(-2000, -200, 0),
-	14, 15, TLV_DB_SCALE_ITEM(-2500, -500, 0),
+	0, 1, TLV_DB_SCALE_ITEM(-3000, 500, 0),
+	2, 4, TLV_DB_SCALE_ITEM(-2200, 200, 0),
+	5, 6, TLV_DB_SCALE_ITEM(-1500, 300, 0),
+	7, 9, TLV_DB_SCALE_ITEM(-1000, 200, 0),
+	10, 13, TLV_DB_SCALE_ITEM(-500, 100, 0),
+	14, 15, TLV_DB_SCALE_ITEM(-100, 50, 0),
 );
 static const DECLARE_TLV_DB_RANGE(max98373_limiter_thresh_tlv,
-	0, 15, TLV_DB_SCALE_ITEM(0, -100, 0),
+	0, 15, TLV_DB_SCALE_ITEM(-1500, 100, 0),
 );
 
 static const DECLARE_TLV_DB_RANGE(max98373_bde_gain_tlv,
-	0, 60, TLV_DB_SCALE_ITEM(0, -25, 0),
+	0, 60, TLV_DB_SCALE_ITEM(-1500, 25, 0),
 );
 
 static bool max98373_readable_register(struct device *dev, unsigned int reg)
@@ -604,7 +612,7 @@
 SOC_SINGLE("DC Blocker Switch", MAX98373_R203F_AMP_DSP_CFG,
 	MAX98373_AMP_DSP_CFG_DCBLK_SHIFT, 1, 0),
 SOC_SINGLE_TLV("Digital Volume", MAX98373_R203D_AMP_DIG_VOL_CTRL,
-	0, 0x7F, 0, max98373_digital_tlv),
+	0, 0x7F, 1, max98373_digital_tlv),
 SOC_SINGLE_TLV("Speaker Volume", MAX98373_R203E_AMP_PATH_GAIN,
 	MAX98373_SPK_DIGI_GAIN_SHIFT, 10, 0, max98373_spk_tlv),
 SOC_SINGLE_TLV("FS Max Volume", MAX98373_R203E_AMP_PATH_GAIN,
@@ -616,7 +624,7 @@
 SOC_SINGLE_TLV("DHT Min Volume", MAX98373_R20D1_DHT_CFG,
 	MAX98373_DHT_SPK_GAIN_MIN_SHIFT, 9, 0, max98373_dht_spkgain_min_tlv),
 SOC_SINGLE_TLV("DHT Rot Pnt Volume", MAX98373_R20D1_DHT_CFG,
-	MAX98373_DHT_ROT_PNT_SHIFT, 15, 0, max98373_dht_rotation_point_tlv),
+	MAX98373_DHT_ROT_PNT_SHIFT, 15, 1, max98373_dht_rotation_point_tlv),
 SOC_SINGLE_TLV("DHT Attack Step Volume", MAX98373_R20D2_DHT_ATTACK_CFG,
 	MAX98373_DHT_ATTACK_STEP_SHIFT, 4, 0, max98373_dht_step_size_tlv),
 SOC_SINGLE_TLV("DHT Release Step Volume", MAX98373_R20D3_DHT_RELEASE_CFG,
@@ -653,29 +661,29 @@
 SOC_SINGLE("BDE Attack Rate", MAX98373_R2091_BDE_GAIN_ATK_REL_RATE, 4, 0xF, 0),
 SOC_SINGLE("BDE Release Rate", MAX98373_R2091_BDE_GAIN_ATK_REL_RATE, 0, 0xF, 0),
 SOC_SINGLE_TLV("BDE LVL1 Clip Thresh Volume", MAX98373_R20A9_BDE_L1_CFG_2,
-	0, 0x3C, 0, max98373_bde_gain_tlv),
+	0, 0x3C, 1, max98373_bde_gain_tlv),
 SOC_SINGLE_TLV("BDE LVL2 Clip Thresh Volume", MAX98373_R20AC_BDE_L2_CFG_2,
-	0, 0x3C, 0, max98373_bde_gain_tlv),
+	0, 0x3C, 1, max98373_bde_gain_tlv),
 SOC_SINGLE_TLV("BDE LVL3 Clip Thresh Volume", MAX98373_R20AF_BDE_L3_CFG_2,
-	0, 0x3C, 0, max98373_bde_gain_tlv),
+	0, 0x3C, 1, max98373_bde_gain_tlv),
 SOC_SINGLE_TLV("BDE LVL4 Clip Thresh Volume", MAX98373_R20B2_BDE_L4_CFG_2,
-	0, 0x3C, 0, max98373_bde_gain_tlv),
+	0, 0x3C, 1, max98373_bde_gain_tlv),
 SOC_SINGLE_TLV("BDE LVL1 Clip Reduction Volume", MAX98373_R20AA_BDE_L1_CFG_3,
-	0, 0x3C, 0, max98373_bde_gain_tlv),
+	0, 0x3C, 1, max98373_bde_gain_tlv),
 SOC_SINGLE_TLV("BDE LVL2 Clip Reduction Volume", MAX98373_R20AD_BDE_L2_CFG_3,
-	0, 0x3C, 0, max98373_bde_gain_tlv),
+	0, 0x3C, 1, max98373_bde_gain_tlv),
 SOC_SINGLE_TLV("BDE LVL3 Clip Reduction Volume", MAX98373_R20B0_BDE_L3_CFG_3,
-	0, 0x3C, 0, max98373_bde_gain_tlv),
+	0, 0x3C, 1, max98373_bde_gain_tlv),
 SOC_SINGLE_TLV("BDE LVL4 Clip Reduction Volume", MAX98373_R20B3_BDE_L4_CFG_3,
-	0, 0x3C, 0, max98373_bde_gain_tlv),
+	0, 0x3C, 1, max98373_bde_gain_tlv),
 SOC_SINGLE_TLV("BDE LVL1 Limiter Thresh Volume", MAX98373_R20A8_BDE_L1_CFG_1,
-	0, 0xF, 0, max98373_limiter_thresh_tlv),
+	0, 0xF, 1, max98373_limiter_thresh_tlv),
 SOC_SINGLE_TLV("BDE LVL2 Limiter Thresh Volume", MAX98373_R20AB_BDE_L2_CFG_1,
-	0, 0xF, 0, max98373_limiter_thresh_tlv),
+	0, 0xF, 1, max98373_limiter_thresh_tlv),
 SOC_SINGLE_TLV("BDE LVL3 Limiter Thresh Volume", MAX98373_R20AE_BDE_L3_CFG_1,
-	0, 0xF, 0, max98373_limiter_thresh_tlv),
+	0, 0xF, 1, max98373_limiter_thresh_tlv),
 SOC_SINGLE_TLV("BDE LVL4 Limiter Thresh Volume", MAX98373_R20B1_BDE_L4_CFG_1,
-	0, 0xF, 0, max98373_limiter_thresh_tlv),
+	0, 0xF, 1, max98373_limiter_thresh_tlv),
 /* Limiter */
 SOC_SINGLE("Limiter Switch", MAX98373_R20E2_LIMITER_EN,
 	MAX98373_LIMITER_EN_SHIFT, 1, 0),
@@ -723,14 +731,39 @@
 	}
 };
 
+static void max98373_reset(struct max98373_priv *max98373, struct device *dev)
+{
+	int ret, reg, count;
+
+	/* Software Reset */
+	ret = regmap_update_bits(max98373->regmap,
+		MAX98373_R2000_SW_RESET,
+		MAX98373_SOFT_RESET,
+		MAX98373_SOFT_RESET);
+	if (ret)
+		dev_err(dev, "Reset command failed. (ret:%d)\n", ret);
+
+	count = 0;
+	while (count < 3) {
+		usleep_range(10000, 11000);
+		/* Software Reset Verification */
+		ret = regmap_read(max98373->regmap,
+			MAX98373_R21FF_REV_ID, &reg);
+		if (!ret) {
+			dev_info(dev, "Reset completed (retry:%d)\n", count);
+			return;
+		}
+		count++;
+	}
+	dev_err(dev, "Reset failed. (ret:%d)\n", ret);
+}
+
 static int max98373_probe(struct snd_soc_component *component)
 {
 	struct max98373_priv *max98373 = snd_soc_component_get_drvdata(component);
 
 	/* Software Reset */
-	regmap_write(max98373->regmap,
-		MAX98373_R2000_SW_RESET, MAX98373_SOFT_RESET);
-	usleep_range(10000, 11000);
+	max98373_reset(max98373, component->dev);
 
 	/* IV default slot configuration */
 	regmap_write(max98373->regmap,
@@ -817,9 +850,7 @@
 {
 	struct max98373_priv *max98373 = dev_get_drvdata(dev);
 
-	regmap_write(max98373->regmap,
-		MAX98373_R2000_SW_RESET, MAX98373_SOFT_RESET);
-	usleep_range(10000, 11000);
+	max98373_reset(max98373, dev);
 	regcache_cache_only(max98373->regmap, false);
 	regcache_sync(max98373->regmap);
 	return 0;
@@ -870,6 +901,21 @@
 		max98373->i_slot = value & 0xF;
 	else
 		max98373->i_slot = 1;
+	if (dev->of_node) {
+		max98373->reset_gpio = of_get_named_gpio(dev->of_node,
+						"maxim,reset-gpio", 0);
+		if (!gpio_is_valid(max98373->reset_gpio)) {
+			dev_err(dev, "Looking up %s property in node %s failed %d\n",
+				"maxim,reset-gpio", dev->of_node->full_name,
+				max98373->reset_gpio);
+		} else {
+			dev_dbg(dev, "maxim,reset-gpio=%d",
+				max98373->reset_gpio);
+		}
+	} else {
+		/* this makes reset_gpio as invalid */
+		max98373->reset_gpio = -1;
+	}
 
 	if (!device_property_read_u32(dev, "maxim,spkfb-slot-no", &value))
 		max98373->spkfb_slot = value & 0xF;
@@ -895,10 +941,9 @@
 
 	/* update interleave mode info */
 	if (device_property_read_bool(&i2c->dev, "maxim,interleave_mode"))
-		max98373->interleave_mode = 1;
+		max98373->interleave_mode = true;
 	else
-		max98373->interleave_mode = 0;
-
+		max98373->interleave_mode = false;
 
 	/* regmap initialization */
 	max98373->regmap
@@ -910,6 +955,24 @@
 		return ret;
 	}
 
+	/* voltage/current slot & gpio configuration */
+	max98373_slot_config(i2c, max98373);
+
+	/* Power on device */
+	if (gpio_is_valid(max98373->reset_gpio)) {
+		ret = devm_gpio_request(&i2c->dev, max98373->reset_gpio,
+					"MAX98373_RESET");
+		if (ret) {
+			dev_err(&i2c->dev, "%s: Failed to request gpio %d\n",
+				__func__, max98373->reset_gpio);
+			return -EINVAL;
+		}
+		gpio_direction_output(max98373->reset_gpio, 0);
+		msleep(50);
+		gpio_direction_output(max98373->reset_gpio, 1);
+		msleep(20);
+	}
+
 	/* Check Revision ID */
 	ret = regmap_read(max98373->regmap,
 		MAX98373_R21FF_REV_ID, &reg);
@@ -920,9 +983,6 @@
 	}
 	dev_info(&i2c->dev, "MAX98373 revisionID: 0x%02X\n", reg);
 
-	/* voltage/current slot configuration */
-	max98373_slot_config(i2c, max98373);
-
 	/* codec registeration */
 	ret = devm_snd_soc_register_component(&i2c->dev, &soc_codec_dev_max98373,
 		max98373_dai, ARRAY_SIZE(max98373_dai));