diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/uda1380.c | 109 | ||||
| -rw-r--r-- | sound/soc/codecs/uda1380.h | 1 |
2 files changed, 54 insertions, 56 deletions
diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c index 807318f..f0c8043 100644 --- a/sound/soc/codecs/uda1380.c +++ b/sound/soc/codecs/uda1380.c @@ -701,87 +701,86 @@ static struct snd_soc_device *uda1380_socdev; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -#define I2C_DRIVERID_UDA1380 0xfefe /* liam - need a proper id */ - -static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END }; - -/* Magic definition of all other variables and things */ -I2C_CLIENT_INSMOD; - -static struct i2c_driver uda1380_i2c_driver; -static struct i2c_client client_template; - -/* If the i2c layer weren't so broken, we could pass this kind of data - around */ - -static int uda1380_codec_probe(struct i2c_adapter *adap, int addr, int kind) +static int uda1380_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { struct snd_soc_device *socdev = uda1380_socdev; struct uda1380_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("uda1380: failed to attach codec at addr %x\n", addr); - goto err; - } - ret = uda1380_init(socdev, setup->dac_clk); - if (ret < 0) { + if (ret < 0) pr_err("uda1380: failed to initialise UDA1380\n"); - goto err; - } - return ret; -err: - kfree(i2c); return ret; } -static int uda1380_i2c_detach(struct i2c_client *client) +static int uda1380_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 uda1380_i2c_attach(struct i2c_adapter *adap) -{ - return i2c_probe(adap, &addr_data, uda1380_codec_probe); -} +static const struct i2c_device_id uda1380_i2c_id[] = { + { "uda1380", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, uda1380_i2c_id); static struct i2c_driver uda1380_i2c_driver = { .driver = { .name = "UDA1380 I2C Codec", .owner = THIS_MODULE, }, - .id = I2C_DRIVERID_UDA1380, - .attach_adapter = uda1380_i2c_attach, - .detach_client = uda1380_i2c_detach, - .command = NULL, + .probe = uda1380_i2c_probe, + .remove = uda1380_i2c_remove, + .id_table = uda1380_i2c_id, }; -static struct i2c_client client_template = { - .name = "UDA1380", - .driver = &uda1380_i2c_driver, -}; +static int uda1380_add_i2c_device(struct platform_device *pdev, + const struct uda1380_setup_data *setup) +{ + struct i2c_board_info info; + struct i2c_adapter *adapter; + struct i2c_client *client; + int ret; + + ret = i2c_add_driver(&uda1380_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, "uda1380", 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(&uda1380_i2c_driver); + return -ENODEV; +} #endif static int uda1380_probe(struct platform_device *pdev) @@ -806,11 +805,8 @@ static int uda1380_probe(struct platform_device *pdev) uda1380_socdev = socdev; #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(&uda1380_i2c_driver); - if (ret != 0) - printk(KERN_ERR "can't add i2c driver"); + ret = uda1380_add_i2c_device(pdev, setup); } #else /* Add other interfaces here */ @@ -833,6 +829,7 @@ static int uda1380_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(&uda1380_i2c_driver); #endif kfree(codec); diff --git a/sound/soc/codecs/uda1380.h b/sound/soc/codecs/uda1380.h index 50c603e..c55c17a 100644 --- a/sound/soc/codecs/uda1380.h +++ b/sound/soc/codecs/uda1380.h @@ -73,6 +73,7 @@ #define R23_AGC_EN 0x0001 struct uda1380_setup_data { + int i2c_bus; unsigned short i2c_address; int dac_clk; #define UDA1380_DAC_CLK_SYSCLK 0 |