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Subject[PATCH 05/11] ASoC: tpa6130a2: switch to using gpiod API
Date
Switch the driver from legacy gpio API that is deprecated to the newer
gpiod API that respects line polarities described in ACPI/DT.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
sound/soc/codecs/tpa6130a2.c | 42 +++++++++++++++---------------------
1 file changed, 17 insertions(+), 25 deletions(-)

diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c
index 5f00bfc32917..696a27b472aa 100644
--- a/sound/soc/codecs/tpa6130a2.c
+++ b/sound/soc/codecs/tpa6130a2.c
@@ -9,15 +9,15 @@

#include <linux/module.h>
#include <linux/errno.h>
+#include <linux/err.h>
#include <linux/device.h>
#include <linux/i2c.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <linux/of.h>
-#include <linux/of_gpio.h>
#include <linux/regmap.h>

#include "tpa6130a2.h"
@@ -32,7 +32,7 @@ struct tpa6130a2_data {
struct device *dev;
struct regmap *regmap;
struct regulator *supply;
- int power_gpio;
+ struct gpio_desc *power_gpio;
enum tpa_model id;
};

@@ -48,8 +48,8 @@ static int tpa6130a2_power(struct tpa6130a2_data *data, bool enable)
return ret;
}
/* Power on */
- if (data->power_gpio >= 0)
- gpio_set_value(data->power_gpio, 1);
+ if (data->power_gpio)
+ gpiod_set_value(data->power_gpio, 1);

/* Sync registers */
regcache_cache_only(data->regmap, false);
@@ -58,8 +58,8 @@ static int tpa6130a2_power(struct tpa6130a2_data *data, bool enable)
dev_err(data->dev,
"Failed to sync registers: %d\n", ret);
regcache_cache_only(data->regmap, true);
- if (data->power_gpio >= 0)
- gpio_set_value(data->power_gpio, 0);
+ if (data->power_gpio)
+ gpiod_set_value(data->power_gpio, 0);
ret2 = regulator_disable(data->supply);
if (ret2 != 0)
dev_err(data->dev,
@@ -75,8 +75,8 @@ static int tpa6130a2_power(struct tpa6130a2_data *data, bool enable)
regcache_cache_only(data->regmap, true);

/* Power off */
- if (data->power_gpio >= 0)
- gpio_set_value(data->power_gpio, 0);
+ if (data->power_gpio)
+ gpiod_set_value(data->power_gpio, 0);

ret = regulator_disable(data->supply);
if (ret != 0) {
@@ -224,37 +224,29 @@ static int tpa6130a2_probe(struct i2c_client *client)
unsigned int version;
int ret;

- if (!dev->of_node)
- return -ENODEV;
-
data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;

+ i2c_set_clientdata(client, data);
data->dev = dev;

data->regmap = devm_regmap_init_i2c(client, &tpa6130a2_regmap_config);
if (IS_ERR(data->regmap))
return PTR_ERR(data->regmap);

- data->power_gpio = of_get_named_gpio(dev->of_node, "power-gpio", 0);
+ data->power_gpio = devm_gpiod_get_optional(dev, "power", GPIOD_OUT_LOW);
+ ret = PTR_ERR_OR_ZERO(data->power_gpio);
+ if (ret) {
+ dev_err(dev, "Failed to request power GPIO: %d\n", ret);
+ return ret;
+ }

- i2c_set_clientdata(client, data);
+ gpiod_set_consumer_name(data->power_gpio, "tpa6130a2 enable");

id = i2c_match_id(tpa6130a2_id, client);
data->id = id->driver_data;

- if (data->power_gpio >= 0) {
- ret = devm_gpio_request(dev, data->power_gpio,
- "tpa6130a2 enable");
- if (ret < 0) {
- dev_err(dev, "Failed to request power GPIO (%d)\n",
- data->power_gpio);
- return ret;
- }
- gpio_direction_output(data->power_gpio, 0);
- }
-
switch (data->id) {
default:
dev_warn(dev, "Unknown TPA model (%d). Assuming 6130A2\n",
--
2.38.1.431.g37b22c650d-goog
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