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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:12:16 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:12:16 -0800 |
| commit | 41440ffe21f29bdb985cab76b2d0b06d83e63b19 (patch) | |
| tree | 1d7d1ff6f699ccbabb71c7bc4172f7d15bc4bc45 /drivers/misc/ics932s401.c | |
| parent | dad3de7d0090280f44ff27131ed2878f1ab6ddad (diff) | |
| parent | 6471b68982d3bb1a593c3e183c804ecf830125d3 (diff) | |
Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c-stub: Documentation update
i2c-stub: Allow user to disable some commands
i2c-stub: Implement I2C block support
i2c: Refactor for_each callbacks
i2c-i801: Retry on lost arbitration
i2c: Remove big kernel lock from i2cdev_open
ics932s401: Clean up detect function
i2c: Simplify i2c_detect_address
i2c: Drop probe, ignore and force module parameters
i2c: Add missing __devinit markers to old i2c adapter drivers
i2c: Bus drivers don't have to support I2C_M_REV_DIR_ADDR
i2c: Prevent priority inversion on top of bus lock
i2c-voodoo3: Delete
i2c-powermac: Drop temporary name buffer
i2c-powermac: Include the i2c_adapter in struct pmac_i2c_bus
i2c-powermac: Log errors
i2c-powermac: Refactor i2c_powermac_smbus_xfer
i2c-powermac: Reject unsupported I2C transactions
i2c/chips: Move ds1682 to drivers/misc
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 6e43ab4231a..4bb7a3af9ad 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); |
