ASoC: Convert remaining Realtek codecs to GPIO

Merge series from Linus Walleij <linus.walleij@linaro.org>:

After dropping unused headers a few Realtek devices
actually using the GPIO descriptors remain.

Converting them to use optional GPIO descriptors is
pretty straight-forward.

include/sound/rt5665.h

@@ -31,8 +31,6 @@ struct rt5665_platform_data {
 	bool in3_diff;
 	bool in4_diff;
 
-	int ldo1_en; /* GPIO for LDO1_EN */
-
 	enum rt5665_dmic1_data_pin dmic1_data_pin;
 	enum rt5665_dmic2_data_pin dmic2_data_pin;
 	enum rt5665_jd_src jd_src;

include/sound/rt5668.h

@@ -25,9 +25,6 @@ enum rt5668_jd_src {
 };
 
 struct rt5668_platform_data {
-
-	int ldo1_en; /* GPIO for LDO1_EN */
-
 	enum rt5668_dmic1_data_pin dmic1_data_pin;
 	enum rt5668_dmic1_clk_pin dmic1_clk_pin;
 	enum rt5668_jd_src jd_src;

include/sound/rt5682.h

@@ -31,9 +31,6 @@ enum rt5682_dai_clks {
 };
 
 struct rt5682_platform_data {
-
-	int ldo1_en; /* GPIO for LDO1_EN */
-
 	enum rt5682_dmic1_data_pin dmic1_data_pin;
 	enum rt5682_dmic1_clk_pin dmic1_clk_pin;
 	enum rt5682_jd_src jd_src;

include/sound/rt5682s.h

@@ -32,9 +32,6 @@ enum rt5682s_dai_clks {
 };
 
 struct rt5682s_platform_data {
-
-	int ldo1_en; /* GPIO for LDO1_EN */
-
 	enum rt5682s_dmic1_data_pin dmic1_data_pin;
 	enum rt5682s_dmic1_clk_pin dmic1_clk_pin;
 	enum rt5682s_jd_src jd_src;

sound/soc/codecs/rt5640.c

@@ -12,11 +12,10 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/pm.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/regmap.h>
 #include <linux/of.h>
-#include <linux/of_gpio.h>
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/acpi.h>
@@ -2812,8 +2811,8 @@ static int rt5640_suspend(struct snd_soc_component *component)
 	rt5640_reset(component);
 	regcache_cache_only(rt5640->regmap, true);
 	regcache_mark_dirty(rt5640->regmap);
-	if (gpio_is_valid(rt5640->ldo1_en))
-		gpio_set_value_cansleep(rt5640->ldo1_en, 0);
+	if (rt5640->ldo1_en)
+		gpiod_set_value_cansleep(rt5640->ldo1_en, 0);
 
 	return 0;
 }
@@ -2822,8 +2821,8 @@ static int rt5640_resume(struct snd_soc_component *component)
 {
 	struct rt5640_priv *rt5640 = snd_soc_component_get_drvdata(component);
 
-	if (gpio_is_valid(rt5640->ldo1_en)) {
-		gpio_set_value_cansleep(rt5640->ldo1_en, 1);
+	if (rt5640->ldo1_en) {
+		gpiod_set_value_cansleep(rt5640->ldo1_en, 1);
 		msleep(400);
 	}
 
@@ -2986,22 +2985,6 @@ static const struct acpi_device_id rt5640_acpi_match[] = {
 MODULE_DEVICE_TABLE(acpi, rt5640_acpi_match);
 #endif
 
-static int rt5640_parse_dt(struct rt5640_priv *rt5640, struct device_node *np)
-{
-	rt5640->ldo1_en = of_get_named_gpio(np, "realtek,ldo1-en-gpios", 0);
-	/*
-	 * LDO1_EN is optional (it may be statically tied on the board).
-	 * -ENOENT means that the property doesn't exist, i.e. there is no
-	 * GPIO, so is not an error. Any other error code means the property
-	 * exists, but could not be parsed.
-	 */
-	if (!gpio_is_valid(rt5640->ldo1_en) &&
-			(rt5640->ldo1_en != -ENOENT))
-		return rt5640->ldo1_en;
-
-	return 0;
-}
-
 static int rt5640_i2c_probe(struct i2c_client *i2c)
 {
 	struct rt5640_priv *rt5640;
@@ -3015,12 +2998,16 @@ static int rt5640_i2c_probe(struct i2c_client *i2c)
 		return -ENOMEM;
 	i2c_set_clientdata(i2c, rt5640);
 
-	if (i2c->dev.of_node) {
-		ret = rt5640_parse_dt(rt5640, i2c->dev.of_node);
-		if (ret)
-			return ret;
-	} else
-		rt5640->ldo1_en = -EINVAL;
+	rt5640->ldo1_en = devm_gpiod_get_optional(&i2c->dev,
+						  "realtek,ldo1-en",
+						  GPIOD_OUT_HIGH);
+	if (IS_ERR(rt5640->ldo1_en))
+		return PTR_ERR(rt5640->ldo1_en);
+
+	if (rt5640->ldo1_en) {
+		gpiod_set_consumer_name(rt5640->ldo1_en, "RT5640 LDO1_EN");
+		msleep(400);
+	}
 
 	rt5640->regmap = devm_regmap_init_i2c(i2c, &rt5640_regmap);
 	if (IS_ERR(rt5640->regmap)) {
@@ -3030,18 +3017,6 @@ static int rt5640_i2c_probe(struct i2c_client *i2c)
 		return ret;
 	}
 
-	if (gpio_is_valid(rt5640->ldo1_en)) {
-		ret = devm_gpio_request_one(&i2c->dev, rt5640->ldo1_en,
-					    GPIOF_OUT_INIT_HIGH,
-					    "RT5640 LDO1_EN");
-		if (ret < 0) {
-			dev_err(&i2c->dev, "Failed to request LDO1_EN %d: %d\n",
-				rt5640->ldo1_en, ret);
-			return ret;
-		}
-		msleep(400);
-	}
-
 	regmap_read(rt5640->regmap, RT5640_VENDOR_ID2, &val);
 	if (val != RT5640_DEVICE_ID) {
 		dev_err(&i2c->dev,

sound/soc/codecs/rt5640.h

@@ -2138,7 +2138,7 @@ struct rt5640_priv {
 	struct regmap *regmap;
 	struct clk *mclk;
 
-	int ldo1_en; /* GPIO for LDO1_EN */
+	struct gpio_desc *ldo1_en; /* GPIO for LDO1_EN */
 	int irq;
 	int jd_gpio_irq;
 	int sysclk;

sound/soc/codecs/rt5665.c

@@ -15,8 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/acpi.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/regulator/consumer.h>
 #include <linux/mutex.h>
 #include <sound/core.h>
@@ -4659,9 +4658,6 @@ static int rt5665_parse_dt(struct rt5665_priv *rt5665, struct device *dev)
 	of_property_read_u32(dev->of_node, "realtek,jd-src",
 		&rt5665->pdata.jd_src);
 
-	rt5665->pdata.ldo1_en = of_get_named_gpio(dev->of_node,
-		"realtek,ldo1-en-gpios", 0);
-
 	return 0;
 }
 
@@ -4795,10 +4791,13 @@ static int rt5665_i2c_probe(struct i2c_client *i2c)
 		return ret;
 	}
 
-	if (gpio_is_valid(rt5665->pdata.ldo1_en)) {
-		if (devm_gpio_request_one(&i2c->dev, rt5665->pdata.ldo1_en,
-					  GPIOF_OUT_INIT_HIGH, "rt5665"))
-			dev_err(&i2c->dev, "Fail gpio_request gpio_ldo\n");
+
+	rt5665->gpiod_ldo1_en = devm_gpiod_get_optional(&i2c->dev,
+							"realtek,ldo1-en",
+							GPIOD_OUT_HIGH);
+	if (IS_ERR(rt5665->gpiod_ldo1_en)) {
+		dev_err(&i2c->dev, "Failed gpio request ldo1_en\n");
+		return PTR_ERR(rt5665->gpiod_ldo1_en);
 	}
 
 	/* Sleep for 300 ms miniumum */

sound/soc/codecs/rt5668.c

@@ -15,8 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/acpi.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/regulator/consumer.h>
 #include <linux/mutex.h>
 #include <sound/core.h>
@@ -43,6 +42,7 @@ static const char *rt5668_supply_names[RT5668_NUM_SUPPLIES] = {
 struct rt5668_priv {
 	struct snd_soc_component *component;
 	struct rt5668_platform_data pdata;
+	struct gpio_desc *ldo1_en;
 	struct regmap *regmap;
 	struct snd_soc_jack *hs_jack;
 	struct regulator_bulk_data supplies[RT5668_NUM_SUPPLIES];
@@ -2393,9 +2393,6 @@ static int rt5668_parse_dt(struct rt5668_priv *rt5668, struct device *dev)
 	of_property_read_u32(dev->of_node, "realtek,jd-src",
 		&rt5668->pdata.jd_src);
 
-	rt5668->pdata.ldo1_en = of_get_named_gpio(dev->of_node,
-		"realtek,ldo1-en-gpios", 0);
-
 	return 0;
 }
 
@@ -2497,10 +2494,12 @@ static int rt5668_i2c_probe(struct i2c_client *i2c)
 		return ret;
 	}
 
-	if (gpio_is_valid(rt5668->pdata.ldo1_en)) {
-		if (devm_gpio_request_one(&i2c->dev, rt5668->pdata.ldo1_en,
-					  GPIOF_OUT_INIT_HIGH, "rt5668"))
-			dev_err(&i2c->dev, "Fail gpio_request gpio_ldo\n");
+	rt5668->ldo1_en = devm_gpiod_get_optional(&i2c->dev,
+						  "realtek,ldo1-en",
+						  GPIOD_OUT_HIGH);
+	if (IS_ERR(rt5668->ldo1_en)) {
+		dev_err(&i2c->dev, "Fail gpio request ldo1_en\n");
+		return PTR_ERR(rt5668->ldo1_en);
 	}
 
 	/* Sleep for 300 ms miniumum */

sound/soc/codecs/rt5682-i2c.c

@@ -15,8 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/acpi.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -170,11 +169,9 @@ static int rt5682_i2c_probe(struct i2c_client *i2c)
 		return ret;
 	}
 
-	if (gpio_is_valid(rt5682->pdata.ldo1_en)) {
-		if (devm_gpio_request_one(&i2c->dev, rt5682->pdata.ldo1_en,
-					  GPIOF_OUT_INIT_HIGH, "rt5682"))
-			dev_err(&i2c->dev, "Fail gpio_request gpio_ldo\n");
-	}
+	ret = rt5682_get_ldo1(rt5682, &i2c->dev);
+	if (ret)
+		return ret;
 
 	/* Sleep for 300 ms miniumum */
 	usleep_range(300000, 350000);

sound/soc/codecs/rt5682-sdw.c

@@ -320,6 +320,11 @@ static int rt5682_sdw_init(struct device *dev, struct regmap *regmap,
 		return ret;
 	}
 
+
+	ret = rt5682_get_ldo1(rt5682, dev);
+	if (ret)
+		return ret;
+
 	regcache_cache_only(rt5682->sdw_regmap, true);
 	regcache_cache_only(rt5682->regmap, true);
 

sound/soc/codecs/rt5682.c

@@ -15,8 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/acpi.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -3094,9 +3093,6 @@ int rt5682_parse_dt(struct rt5682_priv *rt5682, struct device *dev)
 	device_property_read_u32(dev, "realtek,dmic-delay-ms",
 		&rt5682->pdata.dmic_delay);
 
-	rt5682->pdata.ldo1_en = of_get_named_gpio(dev->of_node,
-		"realtek,ldo1-en-gpios", 0);
-
 	if (device_property_read_string_array(dev, "clock-output-names",
 					      rt5682->pdata.dai_clk_names,
 					      RT5682_DAI_NUM_CLKS) < 0)
@@ -3111,6 +3107,20 @@ int rt5682_parse_dt(struct rt5682_priv *rt5682, struct device *dev)
 }
 EXPORT_SYMBOL_GPL(rt5682_parse_dt);
 
+int rt5682_get_ldo1(struct rt5682_priv *rt5682, struct device *dev)
+{
+	rt5682->ldo1_en = devm_gpiod_get_optional(dev,
+						  "realtek,ldo1-en",
+						  GPIOD_OUT_HIGH);
+	if (IS_ERR(rt5682->ldo1_en)) {
+		dev_err(dev, "Fail gpio request ldo1_en\n");
+		return PTR_ERR(rt5682->ldo1_en);
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt5682_get_ldo1);
+
 void rt5682_calibrate(struct rt5682_priv *rt5682)
 {
 	int value, count;

sound/soc/codecs/rt5682.h

@@ -11,6 +11,7 @@
 
 #include <sound/rt5682.h>
 #include <linux/regulator/consumer.h>
+#include <linux/gpio/consumer.h>
 #include <linux/clk.h>
 #include <linux/clkdev.h>
 #include <linux/clk-provider.h>
@@ -1430,6 +1431,7 @@ struct rt5682_priv {
 	struct snd_soc_component *component;
 	struct device *i2c_dev;
 	struct rt5682_platform_data pdata;
+	struct gpio_desc *ldo1_en;
 	struct regmap *regmap;
 	struct regmap *sdw_regmap;
 	struct snd_soc_jack *hs_jack;
@@ -1481,6 +1483,7 @@ int rt5682_register_component(struct device *dev);
 void rt5682_calibrate(struct rt5682_priv *rt5682);
 void rt5682_reset(struct rt5682_priv *rt5682);
 int rt5682_parse_dt(struct rt5682_priv *rt5682, struct device *dev);
+int rt5682_get_ldo1(struct rt5682_priv *rt5682, struct device *dev);
 
 int rt5682_register_dai_clks(struct rt5682_priv *rt5682);
 

sound/soc/codecs/rt5682s.c

@@ -15,8 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/acpi.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -2973,9 +2972,6 @@ static int rt5682s_parse_dt(struct rt5682s_priv *rt5682s, struct device *dev)
 	device_property_read_u32(dev, "realtek,amic-delay-ms",
 		&rt5682s->pdata.amic_delay);
 
-	rt5682s->pdata.ldo1_en = of_get_named_gpio(dev->of_node,
-		"realtek,ldo1-en-gpios", 0);
-
 	if (device_property_read_string_array(dev, "clock-output-names",
 					      rt5682s->pdata.dai_clk_names,
 					      RT5682S_DAI_NUM_CLKS) < 0)
@@ -3172,10 +3168,12 @@ static int rt5682s_i2c_probe(struct i2c_client *i2c)
 		return ret;
 	}
 
-	if (gpio_is_valid(rt5682s->pdata.ldo1_en)) {
-		if (devm_gpio_request_one(&i2c->dev, rt5682s->pdata.ldo1_en,
-					  GPIOF_OUT_INIT_HIGH, "rt5682s"))
-			dev_err(&i2c->dev, "Fail gpio_request gpio_ldo\n");
+	rt5682s->ldo1_en = devm_gpiod_get_optional(&i2c->dev,
+						   "realtek,ldo1-en",
+						   GPIOD_OUT_HIGH);
+	if (IS_ERR(rt5682s->ldo1_en)) {
+		dev_err(&i2c->dev, "Fail gpio request ldo1_en\n");
+		return PTR_ERR(rt5682s->ldo1_en);
 	}
 
 	/* Sleep for 50 ms minimum */

sound/soc/codecs/rt5682s.h

@@ -11,6 +11,7 @@
 
 #include <sound/rt5682s.h>
 #include <linux/regulator/consumer.h>
+#include <linux/gpio/consumer.h>
 #include <linux/clk.h>
 #include <linux/clkdev.h>
 #include <linux/clk-provider.h>
@@ -1446,6 +1447,7 @@ enum {
 struct rt5682s_priv {
 	struct snd_soc_component *component;
 	struct rt5682s_platform_data pdata;
+	struct gpio_desc *ldo1_en;
 	struct regmap *regmap;
 	struct snd_soc_jack *hs_jack;
 	struct regulator_bulk_data supplies[RT5682S_NUM_SUPPLIES];