Re: [PATCH] lm75: Add support for the TMP75C

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On 10/07/2015 07:55 PM, Ben Gardner wrote:
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@xxxxxxxxx>

Applied.

Thanks,
Guenter

---
  Documentation/hwmon/lm75 | 5 +++--
  drivers/hwmon/lm75.c     | 7 +++++++
  2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75
index 67691a0..ac95edf 100644
--- a/Documentation/hwmon/lm75
+++ b/Documentation/hwmon/lm75
@@ -42,8 +42,8 @@ Supported chips:
      Addresses scanned: none
      Datasheet: Publicly available at the ST website
                 http://www.st.com/internet/analog/product/121769.jsp
-  * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP175, TMP275
-    Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp275'
+  * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP75C, TMP175, TMP275
+    Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp75c', 'tmp275'
      Addresses scanned: none
      Datasheet: Publicly available at the Texas Instruments website
                 http://www.ti.com/product/tmp100
@@ -51,6 +51,7 @@ Supported chips:
                 http://www.ti.com/product/tmp105
                 http://www.ti.com/product/tmp112
                 http://www.ti.com/product/tmp75
+               http://www.ti.com/product/tmp75c
                 http://www.ti.com/product/tmp175
                 http://www.ti.com/product/tmp275
    * NXP LM75B
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index fe41d5a..84b6ccc 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);



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