diff options
Diffstat (limited to 'sound/soc/codecs/tlv320dac33.c')
| -rw-r--r-- | sound/soc/codecs/tlv320dac33.c | 69 |
1 files changed, 32 insertions, 37 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c index 423b9264a205..c495be1cf2ed 100644 --- a/sound/soc/codecs/tlv320dac33.c +++ b/sound/soc/codecs/tlv320dac33.c @@ -14,7 +14,7 @@ #include <linux/pm.h> #include <linux/i2c.h> #include <linux/interrupt.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <sound/core.h> @@ -24,7 +24,6 @@ #include <sound/initval.h> #include <sound/tlv.h> -#include <sound/tlv320dac33-plat.h> #include "tlv320dac33.h" /* @@ -80,7 +79,7 @@ struct tlv320dac33_priv { struct snd_soc_component *component; struct regulator_bulk_data supplies[DAC33_NUM_SUPPLIES]; struct snd_pcm_substream *substream; - int power_gpio; + struct gpio_desc *reset_gpiod; int chip_power; int irq; unsigned int refclk; @@ -383,14 +382,26 @@ static int dac33_hard_power(struct snd_soc_component *component, int power) goto exit; } - if (dac33->power_gpio >= 0) - gpio_set_value(dac33->power_gpio, 1); + if (dac33->reset_gpiod) { + ret = gpiod_set_value(dac33->reset_gpiod, 1); + if (ret < 0) { + dev_err(&dac33->i2c->dev, + "Failed to set reset GPIO: %d\n", ret); + goto exit; + } + } dac33->chip_power = 1; } else { dac33_soft_power(component, 0); - if (dac33->power_gpio >= 0) - gpio_set_value(dac33->power_gpio, 0); + if (dac33->reset_gpiod) { + ret = gpiod_set_value(dac33->reset_gpiod, 0); + if (ret < 0) { + dev_err(&dac33->i2c->dev, + "Failed to set reset GPIO: %d\n", ret); + goto exit; + } + } ret = regulator_bulk_disable(ARRAY_SIZE(dac33->supplies), dac33->supplies); @@ -1462,16 +1473,9 @@ static struct snd_soc_dai_driver dac33_dai = { static int dac33_i2c_probe(struct i2c_client *client) { - struct tlv320dac33_platform_data *pdata; struct tlv320dac33_priv *dac33; int ret, i; - if (client->dev.platform_data == NULL) { - dev_err(&client->dev, "Platform data not set\n"); - return -ENODEV; - } - pdata = client->dev.platform_data; - dac33 = devm_kzalloc(&client->dev, sizeof(struct tlv320dac33_priv), GFP_KERNEL); if (dac33 == NULL) @@ -1488,26 +1492,22 @@ static int dac33_i2c_probe(struct i2c_client *client) i2c_set_clientdata(client, dac33); - dac33->power_gpio = pdata->power_gpio; - dac33->burst_bclkdiv = pdata->burst_bclkdiv; - dac33->keep_bclk = pdata->keep_bclk; - dac33->mode1_latency = pdata->mode1_latency; + if (!dac33->burst_bclkdiv) + dac33->burst_bclkdiv = 8; if (!dac33->mode1_latency) dac33->mode1_latency = 10000; /* 10ms */ dac33->irq = client->irq; /* Disable FIFO use by default */ dac33->fifo_mode = DAC33_FIFO_BYPASS; - /* Check if the reset GPIO number is valid and request it */ - if (dac33->power_gpio >= 0) { - ret = gpio_request(dac33->power_gpio, "tlv320dac33 reset"); - if (ret < 0) { - dev_err(&client->dev, - "Failed to request reset GPIO (%d)\n", - dac33->power_gpio); - goto err_gpio; - } - gpio_direction_output(dac33->power_gpio, 0); + /* request optional reset GPIO */ + dac33->reset_gpiod = + devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(dac33->reset_gpiod)) { + ret = PTR_ERR(dac33->reset_gpiod); + dev_err_probe(&client->dev, ret, + "Failed to get reset GPIO\n"); + goto err; } for (i = 0; i < ARRAY_SIZE(dac33->supplies); i++) @@ -1518,19 +1518,17 @@ static int dac33_i2c_probe(struct i2c_client *client) if (ret != 0) { dev_err(&client->dev, "Failed to request supplies: %d\n", ret); - goto err_get; + goto err; } ret = devm_snd_soc_register_component(&client->dev, &soc_component_dev_tlv320dac33, &dac33_dai, 1); if (ret < 0) - goto err_get; + goto err; return ret; -err_get: - if (dac33->power_gpio >= 0) - gpio_free(dac33->power_gpio); -err_gpio: + +err: return ret; } @@ -1540,9 +1538,6 @@ static void dac33_i2c_remove(struct i2c_client *client) if (unlikely(dac33->chip_power)) dac33_hard_power(dac33->component, 0); - - if (dac33->power_gpio >= 0) - gpio_free(dac33->power_gpio); } static const struct i2c_device_id tlv320dac33_i2c_id[] = { |