diff mbox

[1/2] hwmon: adt7470: Add write support to alarm_mask

Message ID 20160909051926.4253-1-joshua.scott@alliedtelesis.co.nz (mailing list archive)
State Accepted
Headers show

Commit Message

Joshua Scott Sept. 9, 2016, 5:19 a.m. UTC
Add write support for the alarm_mask. A base of 0 is provided so that
either hex or decimal can be used. The hex format when reading alarm_mask
is unchanged.

Signed-off-by: Joshua Scott <joshua.scott@alliedtelesis.co.nz>
---
 drivers/hwmon/adt7470.c | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

Comments

Guenter Roeck Sept. 10, 2016, 11:22 p.m. UTC | #1
On 09/08/2016 10:19 PM, Joshua Scott wrote:
> Add write support for the alarm_mask. A base of 0 is provided so that
> either hex or decimal can be used. The hex format when reading alarm_mask
> is unchanged.
>
> Signed-off-by: Joshua Scott <joshua.scott@alliedtelesis.co.nz>

Applied to -next.

For future submissions, please version your patches and provide a change log.

Thanks,
Guenter

> ---
>  drivers/hwmon/adt7470.c | 25 ++++++++++++++++++++++++-
>  1 file changed, 24 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
> index 94550d7..dbd758b 100644
> --- a/drivers/hwmon/adt7470.c
> +++ b/drivers/hwmon/adt7470.c
> @@ -545,6 +545,28 @@ static ssize_t show_alarm_mask(struct device *dev,
>  	return sprintf(buf, "%x\n", data->alarms_mask);
>  }
>
> +static ssize_t set_alarm_mask(struct device *dev,
> +			      struct device_attribute *devattr,
> +			      const char *buf,
> +			      size_t count)
> +{
> +	struct adt7470_data *data = dev_get_drvdata(dev);
> +	long mask;
> +
> +	if (kstrtoul(buf, 0, &mask))
> +		return -EINVAL;
> +
> +	if (mask & ~0xffff)
> +		return -EINVAL;
> +
> +	mutex_lock(&data->lock);
> +	data->alarms_mask = mask;
> +	adt7470_write_word_data(data->client, ADT7470_REG_ALARM1_MASK, mask);
> +	mutex_unlock(&data->lock);
> +
> +	return count;
> +}
> +
>  static ssize_t show_fan_max(struct device *dev,
>  			    struct device_attribute *devattr,
>  			    char *buf)
> @@ -989,7 +1011,8 @@ static ssize_t show_alarm(struct device *dev,
>  		return sprintf(buf, "0\n");
>  }
>
> -static DEVICE_ATTR(alarm_mask, S_IRUGO, show_alarm_mask, NULL);
> +static DEVICE_ATTR(alarm_mask, S_IWUSR | S_IRUGO, show_alarm_mask,
> +		   set_alarm_mask);
>  static DEVICE_ATTR(num_temp_sensors, S_IWUSR | S_IRUGO, show_num_temp_sensors,
>  		   set_num_temp_sensors);
>  static DEVICE_ATTR(auto_update_interval, S_IWUSR | S_IRUGO,
>

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diff mbox

Patch

diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index 94550d7..dbd758b 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -545,6 +545,28 @@  static ssize_t show_alarm_mask(struct device *dev,
 	return sprintf(buf, "%x\n", data->alarms_mask);
 }
 
+static ssize_t set_alarm_mask(struct device *dev,
+			      struct device_attribute *devattr,
+			      const char *buf,
+			      size_t count)
+{
+	struct adt7470_data *data = dev_get_drvdata(dev);
+	long mask;
+
+	if (kstrtoul(buf, 0, &mask))
+		return -EINVAL;
+
+	if (mask & ~0xffff)
+		return -EINVAL;
+
+	mutex_lock(&data->lock);
+	data->alarms_mask = mask;
+	adt7470_write_word_data(data->client, ADT7470_REG_ALARM1_MASK, mask);
+	mutex_unlock(&data->lock);
+
+	return count;
+}
+
 static ssize_t show_fan_max(struct device *dev,
 			    struct device_attribute *devattr,
 			    char *buf)
@@ -989,7 +1011,8 @@  static ssize_t show_alarm(struct device *dev,
 		return sprintf(buf, "0\n");
 }
 
-static DEVICE_ATTR(alarm_mask, S_IRUGO, show_alarm_mask, NULL);
+static DEVICE_ATTR(alarm_mask, S_IWUSR | S_IRUGO, show_alarm_mask,
+		   set_alarm_mask);
 static DEVICE_ATTR(num_temp_sensors, S_IWUSR | S_IRUGO, show_num_temp_sensors,
 		   set_num_temp_sensors);
 static DEVICE_ATTR(auto_update_interval, S_IWUSR | S_IRUGO,