A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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hwmon: (lm75) Add support for TMP75C

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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 <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
This commit is contained in:
Ben Gardner 2015-10-07 21:55:20 -05:00 • committed by Guenter Roeck
commit 9c32e815cf
2 changed files with 10 additions and 2 deletions
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7
drivers/hwmon/lm75.c
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@ -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);