diff options
Diffstat (limited to 'drivers/mfd/tps6586x.c')
| -rw-r--r-- | drivers/mfd/tps6586x.c | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index 9a146c8bba92..1c140e5ace4f 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -96,6 +96,7 @@ struct tps6586x { struct mutex lock; struct device *dev; struct i2c_client *client; + enum tps6586x_type type; struct gpio_chip gpio; struct irq_chip irq_chip; @@ -255,6 +256,14 @@ out: } EXPORT_SYMBOL_GPL(tps6586x_update); +enum tps6586x_type tps6586x_gettype(struct device *dev) +{ + struct tps6586x *tps6586x = dev_get_drvdata(dev); + + return tps6586x->type; +} +EXPORT_SYMBOL_GPL(tps6586x_gettype); + static struct i2c_client *tps6586x_i2c_client = NULL; static void tps6586x_power_off(void) { @@ -517,17 +526,36 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client, return -ENOTSUPP; } + tps6586x = kzalloc(sizeof(struct tps6586x), GFP_KERNEL); + if (tps6586x == NULL) + return -ENOMEM; + ret = i2c_smbus_read_byte_data(client, TPS6586X_VERSIONCRC); if (ret < 0) { dev_err(&client->dev, "Chip ID read failed: %d\n", ret); - return -EIO; + ret = -EIO; + goto err_irq_init; + } + tps6586x->type = (enum tps6586x_type)ret; + switch (ret) { + case TPS658621A: + dev_info(&client->dev, "found TPS658621A, "); + break; + case TPS658621D: + dev_info(&client->dev, "found TPS658621D, "); + break; + case TPS658623: + dev_info(&client->dev, "found TPS658623, "); + break; + case TPS658643: + dev_info(&client->dev, "found TPS658643, "); + break; + default: + dev_info(&client->dev, "unknown TPS6586X found, "); + tps6586x->type = TPS6586X_ANY; } - dev_info(&client->dev, "VERSIONCRC is %02x\n", ret); - - tps6586x = kzalloc(sizeof(struct tps6586x), GFP_KERNEL); - if (tps6586x == NULL) - return -ENOMEM; + printk("VERSIONCRC is %02x\n", ret); tps6586x->client = client; tps6586x->dev = &client->dev; |