diff options
| -rw-r--r-- | sound/soc/codecs/wm8990.c | 103 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8990.h | 1 |
2 files changed, 54 insertions, 50 deletions
diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c index dd995ef448b4..e1bb5059755a 100644 --- a/sound/soc/codecs/wm8990.c +++ b/sound/soc/codecs/wm8990.c @@ -1477,81 +1477,86 @@ static struct snd_soc_device *wm8990_socdev; * low = 0x34 * high = 0x36 */ -static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END }; -/* Magic definition of all other variables and things */ -I2C_CLIENT_INSMOD; - -static struct i2c_driver wm8990_i2c_driver; -static struct i2c_client client_template; - -static int wm8990_codec_probe(struct i2c_adapter *adap, int addr, int kind) +static int wm8990_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { struct snd_soc_device *socdev = wm8990_socdev; - struct wm8990_setup_data *setup = socdev->codec_data; struct snd_soc_codec *codec = socdev->codec; - struct i2c_client *i2c; int ret; - if (addr != setup->i2c_address) - return -ENODEV; - - client_template.adapter = adap; - client_template.addr = addr; - - i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); - if (i2c == NULL) - return -ENOMEM; - i2c_set_clientdata(i2c, codec); codec->control_data = i2c; - ret = i2c_attach_client(i2c); - if (ret < 0) { - pr_err("failed to attach codec at addr %x\n", addr); - goto err; - } - ret = wm8990_init(socdev); - if (ret < 0) { + if (ret < 0) pr_err("failed to initialise WM8990\n"); - goto err; - } - return ret; -err: - kfree(i2c); return ret; } -static int wm8990_i2c_detach(struct i2c_client *client) +static int wm8990_i2c_remove(struct i2c_client *client) { struct snd_soc_codec *codec = i2c_get_clientdata(client); - i2c_detach_client(client); kfree(codec->reg_cache); - kfree(client); return 0; } -static int wm8990_i2c_attach(struct i2c_adapter *adap) -{ - return i2c_probe(adap, &addr_data, wm8990_codec_probe); -} +static const struct i2c_device_id wm8990_i2c_id[] = { + { "wm8990", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id); static struct i2c_driver wm8990_i2c_driver = { .driver = { .name = "WM8990 I2C Codec", .owner = THIS_MODULE, }, - .attach_adapter = wm8990_i2c_attach, - .detach_client = wm8990_i2c_detach, - .command = NULL, + .probe = wm8990_i2c_probe, + .remove = wm8990_i2c_remove, + .id_table = wm8990_i2c_id, }; -static struct i2c_client client_template = { - .name = "WM8990", - .driver = &wm8990_i2c_driver, -}; +static int wm8990_add_i2c_device(struct platform_device *pdev, + const struct wm8990_setup_data *setup) +{ + struct i2c_board_info info; + struct i2c_adapter *adapter; + struct i2c_client *client; + int ret; + + ret = i2c_add_driver(&wm8990_i2c_driver); + if (ret != 0) { + dev_err(&pdev->dev, "can't add i2c driver\n"); + return ret; + } + + memset(&info, 0, sizeof(struct i2c_board_info)); + info.addr = setup->i2c_address; + strlcpy(info.type, "wm8990", I2C_NAME_SIZE); + + adapter = i2c_get_adapter(setup->i2c_bus); + if (!adapter) { + dev_err(&pdev->dev, "can't get i2c adapter %d\n", + setup->i2c_bus); + goto err_driver; + } + + client = i2c_new_device(adapter, &info); + i2c_put_adapter(adapter); + if (!client) { + dev_err(&pdev->dev, "can't add i2c device at 0x%x\n", + (unsigned int)info.addr); + goto err_driver; + } + + return 0; + +err_driver: + i2c_del_driver(&wm8990_i2c_driver); + return -ENODEV; +} #endif static int wm8990_probe(struct platform_device *pdev) @@ -1584,11 +1589,8 @@ static int wm8990_probe(struct platform_device *pdev) #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) if (setup->i2c_address) { - normal_i2c[0] = setup->i2c_address; codec->hw_write = (hw_write_t)i2c_master_send; - ret = i2c_add_driver(&wm8990_i2c_driver); - if (ret != 0) - printk(KERN_ERR "can't add i2c driver"); + ret = wm8990_add_i2c_device(pdev, setup); } #else /* Add other interfaces here */ @@ -1612,6 +1614,7 @@ static int wm8990_remove(struct platform_device *pdev) snd_soc_free_pcms(socdev); snd_soc_dapm_free(socdev); #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + i2c_unregister_device(codec->control_data); i2c_del_driver(&wm8990_i2c_driver); #endif kfree(codec->private_data); diff --git a/sound/soc/codecs/wm8990.h b/sound/soc/codecs/wm8990.h index 0a08325d5443..0e192f3b0788 100644 --- a/sound/soc/codecs/wm8990.h +++ b/sound/soc/codecs/wm8990.h @@ -827,6 +827,7 @@ #define WM8990_AINRMUX_PWR_BIT 3 struct wm8990_setup_data { + unsigned i2c_bus; unsigned short i2c_address; }; |