diff options
| author |   Daniel Mack <daniel@zonque.org> | 2018-12-06 13:24:26 +0100 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2018-12-06 20:08:31 +0000 |
| commit | f98acd8a3115e1de780083ced42039522075d155 (patch) | |
| tree | 8149d1b7a5063e5717aa07f537e97054b30660b5 /sound/soc/codecs/cs4270.c | |
| parent | ASoC: dt-bindings: cs4270: use 'reset-gpios' rather than 'reset-gpio' (diff) | |
| download | linux-dev-f98acd8a3115e1de780083ced42039522075d155.tar.xz linux-dev-f98acd8a3115e1de780083ced42039522075d155.zip | |
ASoC: codecs: cs4270: move to GPIO consumer API
Get the reset GPIO through the GPIO consumer API. This allows specifying the
DT property as "reset-gpios" without breaking existing DT users.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/cs4270.c')
| -rw-r--r-- | sound/soc/codecs/cs4270.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c index 3c266eeb89bf..33d74f163bd7 100644 --- a/sound/soc/codecs/cs4270.c +++ b/sound/soc/codecs/cs4270.c @@ -29,8 +29,8 @@ #include <linux/i2c.h> #include <linux/delay.h> #include <linux/regulator/consumer.h> +#include <linux/gpio/consumer.h> #include <linux/of_device.h> -#include <linux/of_gpio.h> /* * The codec isn't really big-endian or little-endian, since the I2S @@ -658,8 +658,8 @@ static const struct regmap_config cs4270_regmap = { static int cs4270_i2c_probe(struct i2c_client *i2c_client, const struct i2c_device_id *id) { - struct device_node *np = i2c_client->dev.of_node; struct cs4270_private *cs4270; + struct gpio_desc *reset_gpiod; unsigned int val; int ret, i; @@ -678,20 +678,11 @@ static int cs4270_i2c_probe(struct i2c_client *i2c_client, if (ret < 0) return ret; - /* See if we have a way to bring the codec out of reset */ - if (np) { - enum of_gpio_flags flags; - int gpio = of_get_named_gpio_flags(np, "reset-gpio", 0, &flags); - - if (gpio_is_valid(gpio)) { - ret = devm_gpio_request_one(&i2c_client->dev, gpio, - flags & OF_GPIO_ACTIVE_LOW ? - GPIOF_OUT_INIT_LOW : GPIOF_OUT_INIT_HIGH, - "cs4270 reset"); - if (ret < 0) - return ret; - } - } + reset_gpiod = devm_gpiod_get_optional(&i2c_client->dev, "reset", + GPIOD_OUT_HIGH); + if (IS_ERR(reset_gpiod) && + PTR_ERR(reset_gpiod) == -EPROBE_DEFER) + return -EPROBE_DEFER; cs4270->regmap = devm_regmap_init_i2c(i2c_client, &cs4270_regmap); if (IS_ERR(cs4270->regmap)) |