[PATCH] hwmon: (lm75) Add support for the NXP LM75B

[PATCH] hwmon: (lm75) Add support for the NXP LM75B

[Michael Thalmeier]

It is basically a faster lm75 with improved (11 bit) resolution.

Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
---
 Documentation/hwmon/lm75 | 6 ++++++
 drivers/hwmon/lm75.c     | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75
index c6a5ff1..62e216a 100644
--- a/Documentation/hwmon/lm75
+++ b/Documentation/hwmon/lm75
@@ -53,6 +53,12 @@ Supported chips:
                http://www.ti.com/product/tmp75
                http://www.ti.com/product/tmp175
                http://www.ti.com/product/tmp275
+  * NXP LM75B
+    Prefix: 'lm75b'
+    Addresses scanned: none
+    Datasheet: Publicly available at the NXP website
+               http://www.nxp.com/documents/data_sheet/LM75B.pdf
+
 
 Author: Frodo Looijaard <frodol@dds.nl>
 
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index d16dbb33a..7ec5ccd 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -44,6 +44,7 @@ enum lm75_type {		/* keep sorted in alphabetical order */
 	g751,
 	lm75,
 	lm75a,
+	lm75b,
 	max6625,
 	max6626,
 	mcp980x,
@@ -271,6 +272,10 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		data->resolution = 12;
 		data->sample_time = HZ / 2;
 		break;
+	case lm75b:
+		data->resolution = 11;
+		data->sample_time = HZ / 4;
+		break;
 	}
 
 	/* configure as specified */
@@ -334,6 +339,7 @@ static const struct i2c_device_id lm75_ids[] = {
 	{ "tmp175", tmp175, },
 	{ "tmp275", tmp275, },
 	{ "tmp75", tmp75, },
+	{ "lm75b", lm75b, },
 	{ /* LIST END */ }
 };
 MODULE_DEVICE_TABLE(i2c, lm75_ids);
-- 
1.9.3

Re: [PATCH] hwmon: (lm75) Add support for the NXP LM75B

[Guenter Roeck]

On 11/06/2014 05:59 AM, Michael Thalmeier wrote:
> It is basically a faster lm75 with improved (11 bit) resolution.
>
> Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
> ---
>   Documentation/hwmon/lm75 | 6 ++++++
>   drivers/hwmon/lm75.c     | 6 ++++++
>   2 files changed, 12 insertions(+)
>
> diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75
> index c6a5ff1..62e216a 100644
> --- a/Documentation/hwmon/lm75
> +++ b/Documentation/hwmon/lm75
> @@ -53,6 +53,12 @@ Supported chips:
>                  http://www.ti.com/product/tmp75
>                  http://www.ti.com/product/tmp175
>                  http://www.ti.com/product/tmp275
> +  * NXP LM75B
> +    Prefix: 'lm75b'
> +    Addresses scanned: none
> +    Datasheet: Publicly available at the NXP website
> +               http://www.nxp.com/documents/data_sheet/LM75B.pdf
> +
>
No additional newline, please.

>   Author: Frodo Looijaard <frodol@dds.nl>
>
> diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
> index d16dbb33a..7ec5ccd 100644
> --- a/drivers/hwmon/lm75.c
> +++ b/drivers/hwmon/lm75.c
> @@ -44,6 +44,7 @@ enum lm75_type {		/* keep sorted in alphabetical order */
>   	g751,
>   	lm75,
>   	lm75a,
> +	lm75b,
>   	max6625,
>   	max6626,
>   	mcp980x,
> @@ -271,6 +272,10 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
>   		data->resolution = 12;
>   		data->sample_time = HZ / 2;
>   		break;
> +	case lm75b:
> +		data->resolution = 11;
> +		data->sample_time = HZ / 4;
> +		break;

Alphabetic order, please.

>   	}
>
>   	/* configure as specified */
> @@ -334,6 +339,7 @@ static const struct i2c_device_id lm75_ids[] = {
>   	{ "tmp175", tmp175, },
>   	{ "tmp275", tmp275, },
>   	{ "tmp75", tmp75, },
> +	{ "lm75b", lm75b, },

Alphabetic order, please.

Thanks,
Guenter

>   	{ /* LIST END */ }
>   };
>   MODULE_DEVICE_TABLE(i2c, lm75_ids);
>