diff options
Diffstat (limited to 'sound/soc/codecs/tlv320aic3x.c')
-rw-r--r-- | sound/soc/codecs/tlv320aic3x.c | 49 |
1 files changed, 32 insertions, 17 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index dc78f5a4bcb..5708a973a77 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -40,6 +40,7 @@ #include <linux/i2c.h> #include <linux/gpio.h> #include <linux/regulator/consumer.h> +#include <linux/of_gpio.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> @@ -1457,6 +1458,8 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, { struct aic3x_pdata *pdata = i2c->dev.platform_data; struct aic3x_priv *aic3x; + struct aic3x_setup_data *ai3x_setup; + struct device_node *np = i2c->dev.of_node; int ret; aic3x = devm_kzalloc(&i2c->dev, sizeof(struct aic3x_priv), GFP_KERNEL); @@ -1471,6 +1474,25 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, if (pdata) { aic3x->gpio_reset = pdata->gpio_reset; aic3x->setup = pdata->setup; + } else if (np) { + ai3x_setup = devm_kzalloc(&i2c->dev, sizeof(*ai3x_setup), + GFP_KERNEL); + if (ai3x_setup == NULL) { + dev_err(&i2c->dev, "failed to create private data\n"); + return -ENOMEM; + } + + ret = of_get_named_gpio(np, "gpio-reset", 0); + if (ret >= 0) + aic3x->gpio_reset = ret; + else + aic3x->gpio_reset = -1; + + if (of_property_read_u32_array(np, "ai3x-gpio-func", + ai3x_setup->gpio_func, 2) >= 0) { + aic3x->setup = ai3x_setup; + } + } else { aic3x->gpio_reset = -1; } @@ -1488,34 +1510,27 @@ static int aic3x_i2c_remove(struct i2c_client *client) return 0; } +#if defined(CONFIG_OF) +static const struct of_device_id tlv320aic3x_of_match[] = { + { .compatible = "ti,tlv320aic3x", }, + {}, +}; +MODULE_DEVICE_TABLE(of, tlv320aic3x_of_match); +#endif + /* machine i2c codec control layer */ static struct i2c_driver aic3x_i2c_driver = { .driver = { .name = "tlv320aic3x-codec", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(tlv320aic3x_of_match), }, .probe = aic3x_i2c_probe, .remove = aic3x_i2c_remove, .id_table = aic3x_i2c_id, }; -static int __init aic3x_modinit(void) -{ - int ret = 0; - ret = i2c_add_driver(&aic3x_i2c_driver); - if (ret != 0) { - printk(KERN_ERR "Failed to register TLV320AIC3x I2C driver: %d\n", - ret); - } - return ret; -} -module_init(aic3x_modinit); - -static void __exit aic3x_exit(void) -{ - i2c_del_driver(&aic3x_i2c_driver); -} -module_exit(aic3x_exit); +module_i2c_driver(aic3x_i2c_driver); MODULE_DESCRIPTION("ASoC TLV320AIC3X codec driver"); MODULE_AUTHOR("Vladimir Barinov"); |