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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-09-17 15:29:49 +0200 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-09-17 15:29:49 +0200 |
commit | 7577911244c437f4a4abac5e4b67b059c06dbe9d (patch) | |
tree | 4f0078ddacff226e26b03fa4f6cf185d48633124 /drivers/hwmon/lm95241.c | |
parent | [media] mt9p031: Aptina (Micron) MT9P031 5MP sensor driver (diff) | |
parent | Linux 3.1-rc6 (diff) | |
download | linux-7577911244c437f4a4abac5e4b67b059c06dbe9d.tar.xz linux-7577911244c437f4a4abac5e4b67b059c06dbe9d.zip |
Merge tag 'v3.1-rc6' into staging/for_v3.2
* tag 'v3.1-rc6': (1902 commits)
Linux 3.1-rc6
ioctl: register LTTng ioctl
fuse: fix memory leak
fuse: fix flock breakage
Btrfs: add dummy extent if dst offset excceeds file end in
Btrfs: calc file extent num_bytes correctly in file clone
btrfs: xattr: fix attribute removal
Btrfs: fix wrong nbytes information of the inode
Btrfs: fix the file extent gap when doing direct IO
Btrfs: fix unclosed transaction handle in btrfs_cont_expand
Btrfs: fix misuse of trans block rsv
Btrfs: reset to appropriate block rsv after orphan operations
Btrfs: skip locking if searching the commit root in csum lookup
btrfs: fix warning in iput for bad-inode
Btrfs: fix an oops when deleting snapshots
[media] vp7045: fix buffer setup
[media] nuvoton-cir: simplify raw IR sample handling
[media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL
[media] v4l2: Fix documentation of the codec device controls
[media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240
...
Diffstat (limited to 'drivers/hwmon/lm95241.c')
-rw-r--r-- | drivers/hwmon/lm95241.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c index d3b464b74ced..513901d592a9 100644 --- a/drivers/hwmon/lm95241.c +++ b/drivers/hwmon/lm95241.c @@ -74,8 +74,9 @@ static const unsigned short normal_i2c[] = { #define TT_OFF 0 #define TT_ON 1 #define TT_MASK 7 -#define MANUFACTURER_ID 0x01 -#define DEFAULT_REVISION 0xA4 +#define NATSEMI_MAN_ID 0x01 +#define LM95231_CHIP_ID 0xA1 +#define LM95241_CHIP_ID 0xA4 static const u8 lm95241_reg_address[] = { LM95241_REG_R_LOCAL_TEMPH, @@ -338,20 +339,25 @@ static int lm95241_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; - int address = new_client->addr; const char *name; + int mfg_id, chip_id; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if ((i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID) - == MANUFACTURER_ID) - && (i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID) - == DEFAULT_REVISION)) { - name = DEVNAME; - } else { - dev_dbg(&adapter->dev, "LM95241 detection failed at 0x%02x\n", - address); + mfg_id = i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID); + if (mfg_id != NATSEMI_MAN_ID) + return -ENODEV; + + chip_id = i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID); + switch (chip_id) { + case LM95231_CHIP_ID: + name = "lm95231"; + break; + case LM95241_CHIP_ID: + name = "lm95241"; + break; + default: return -ENODEV; } @@ -431,7 +437,8 @@ static int lm95241_remove(struct i2c_client *client) /* Driver data (common to all clients) */ static const struct i2c_device_id lm95241_id[] = { - { DEVNAME, 0 }, + { "lm95231", 0 }, + { "lm95241", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, lm95241_id); |