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authorBen Gardner <gardner.ben@gmail.com>2015-10-08 04:55:20 +0200
committerGuenter Roeck <linux@roeck-us.net>2015-10-14 16:57:14 +0200
commit9c32e815cf9e29d5cfed738ad1cb3d07ea1bb67c (patch)
tree53bb2a912e4bbe04c73db8d8b18304d203a4bba5 /drivers/hwmon/lm75.c
parenthwmon: (ibmpowernv) Add OF compatibility table entry (diff)
downloadlinux-9c32e815cf9e29d5cfed738ad1cb3d07ea1bb67c.tar.xz
linux-9c32e815cf9e29d5cfed738ad1cb3d07ea1bb67c.zip
hwmon: (lm75) Add support for TMP75C
The TMP75C has a different control register layout and only supports 12-bit temperature samples (0.0625 deg C). The continuous sample rate is ~12 Hz. Signed-off-by: Ben Gardner <gardner.ben@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/lm75.c')
-rw-r--r--drivers/hwmon/lm75.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index e4e57bbafb10..0addc84ba948 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -57,6 +57,7 @@ enum lm75_type { /* keep sorted in alphabetical order */
tmp175,
tmp275,
tmp75,
+ tmp75c,
};
/* Addresses scanned */
@@ -280,6 +281,11 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
data->resolution = 12;
data->sample_time = HZ / 2;
break;
+ case tmp75c:
+ clr_mask |= 1 << 5; /* not one-shot mode */
+ data->resolution = 12;
+ data->sample_time = HZ / 4;
+ break;
}
/* configure as specified */
@@ -343,6 +349,7 @@ static const struct i2c_device_id lm75_ids[] = {
{ "tmp175", tmp175, },
{ "tmp275", tmp275, },
{ "tmp75", tmp75, },
+ { "tmp75c", tmp75c, },
{ /* LIST END */ }
};
MODULE_DEVICE_TABLE(i2c, lm75_ids);