diff options
| author | Jean Delvare <khali@linux-fr.org> | 2009-12-06 17:06:26 +0100 |
|---|---|---|
| committer | Jean Delvare <khali@linux-fr.org> | 2009-12-06 17:06:26 +0100 |
| commit | c2e90e9b6835d71cbadd42fe5b38704acaccf8aa (patch) | |
| tree | 0e4249f3aa9aa60e5fb405a287261246ffd5d9df /drivers/misc/ics932s401.c | |
| parent | i2c: Simplify i2c_detect_address (diff) | |
| download | linux-c2e90e9b6835d71cbadd42fe5b38704acaccf8aa.tar.xz linux-c2e90e9b6835d71cbadd42fe5b38704acaccf8aa.zip | |
ics932s401: Clean up detect function
As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: "Darrick J. Wong" <djwong@us.ibm.com>
Diffstat (limited to 'drivers/misc/ics932s401.c')
| -rw-r--r-- | drivers/misc/ics932s401.c | 37 |
1 files changed, 15 insertions, 22 deletions
diff --git a/drivers/misc/ics932s401.c b/drivers/misc/ics932s401.c index 6e43ab4231ae..4bb7a3af9ad9 100644 --- a/drivers/misc/ics932s401.c +++ b/drivers/misc/ics932s401.c @@ -417,32 +417,25 @@ static int ics932s401_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int vendor, device, revision; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - int vendor, device, revision; - - vendor = i2c_smbus_read_word_data(client, - ICS932S401_REG_VENDOR_REV); - vendor >>= 8; - revision = vendor >> ICS932S401_REV_SHIFT; - vendor &= ICS932S401_VENDOR_MASK; - if (vendor != ICS932S401_VENDOR) - return -ENODEV; - - device = i2c_smbus_read_word_data(client, - ICS932S401_REG_DEVICE); - device >>= 8; - if (device != ICS932S401_DEVICE) - return -ENODEV; - - if (revision != ICS932S401_REV) - dev_info(&adapter->dev, "Unknown revision %d\n", - revision); - } else - dev_dbg(&adapter->dev, "detection forced\n"); + vendor = i2c_smbus_read_word_data(client, ICS932S401_REG_VENDOR_REV); + vendor >>= 8; + revision = vendor >> ICS932S401_REV_SHIFT; + vendor &= ICS932S401_VENDOR_MASK; + if (vendor != ICS932S401_VENDOR) + return -ENODEV; + + device = i2c_smbus_read_word_data(client, ICS932S401_REG_DEVICE); + device >>= 8; + if (device != ICS932S401_DEVICE) + return -ENODEV; + + if (revision != ICS932S401_REV) + dev_info(&adapter->dev, "Unknown revision %d\n", revision); strlcpy(info->type, "ics932s401", I2C_NAME_SIZE); |