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| author | Jean Delvare <khali@linux-fr.org> | 2010-10-28 20:31:45 +0200 |
|---|---|---|
| committer | Jean Delvare <khali@endymion.delvare> | 2010-10-28 20:31:45 +0200 |
| commit | 093d1a4794cc23dd221019eb1cdf42b16b48abcc (patch) | |
| tree | c306a2d26ed2d90f3c53e26790aca495167a59a3 /drivers | |
| parent | 315bacfdbe5a77309c256b296f30bee13d59462b (diff) | |
| download | lwn-093d1a4794cc23dd221019eb1cdf42b16b48abcc.tar.gz lwn-093d1a4794cc23dd221019eb1cdf42b16b48abcc.zip | |
hwmon: (w83795) Drop duplicate enum
Enum chips and chip_types are redundant, get rid of the former. Fix
the detection code to properly identify the chip variant and name the
client accordingly.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hwmon/w83795.c | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c index 7b93ac296d03..d7e1d3693a20 100644 --- a/drivers/hwmon/w83795.c +++ b/drivers/hwmon/w83795.c @@ -38,8 +38,6 @@ /* Addresses to scan */ static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; -enum chips { w83795 }; - static int reset; module_param(reset, bool, 0); @@ -1686,6 +1684,7 @@ static int w83795_detect(struct i2c_client *client, u8 tmp, bank; struct i2c_adapter *adapter = client->adapter; unsigned short address = client->addr; + const char *chip_name; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; @@ -1718,18 +1717,21 @@ static int w83795_detect(struct i2c_client *client, return -ENODEV; } -#if 0 - /* Check 795 chip type: 795G or 795ADG */ + /* Check 795 chip type: 795G or 795ADG + Usually we don't write to chips during detection, but here we don't + quite have the choice; hopefully it's OK, we are about to return + success anyway */ + if ((bank & 0x07) != 0) + i2c_smbus_write_byte_data(client, W83795_REG_BANKSEL, + bank & ~0x07); if (W83795_REG_CONFIG_CONFIG48 & - w83795_read(client, W83795_REG_CONFIG)) { - data->chip_type = w83795adg; + i2c_smbus_read_byte_data(client, W83795_REG_CONFIG)) { + chip_name = "w83795adg"; } else { - data->chip_type = w83795g; + chip_name = "w83795g"; } -#endif - /* Fill in the remaining client fields and put into the global list */ - strlcpy(info->type, "w83795", I2C_NAME_SIZE); + strlcpy(info->type, chip_name, I2C_NAME_SIZE); return 0; } @@ -1750,20 +1752,13 @@ static int w83795_probe(struct i2c_client *client, } i2c_set_clientdata(client, data); + data->chip_type = id->driver_data; data->bank = i2c_smbus_read_byte_data(client, W83795_REG_BANKSEL); mutex_init(&data->update_lock); /* Initialize the chip */ w83795_init_client(client); - /* Check 795 chip type: 795G or 795ADG */ - if (W83795_REG_CONFIG_CONFIG48 & - w83795_read(client, W83795_REG_CONFIG)) { - data->chip_type = w83795adg; - } else { - data->chip_type = w83795g; - } - data->has_in = w83795_read(client, W83795_REG_VOLT_CTRL1); data->has_in |= w83795_read(client, W83795_REG_VOLT_CTRL2) << 8; /* VSEN11-9 not for 795adg */ @@ -2097,7 +2092,8 @@ static int w83795_remove(struct i2c_client *client) static const struct i2c_device_id w83795_id[] = { - { "w83795", w83795 }, + { "w83795g", w83795g }, + { "w83795adg", w83795adg }, { } }; MODULE_DEVICE_TABLE(i2c, w83795_id); |