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hwmon: (max6650) Fix multi-line comments

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Cc: Hans J. Koch <hjk@hansjkoch.de>
Acked-by: Hans J. Koch <hjk@hansjkoch.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2012-01-19 11:02:22 -08:00 committed by Guenter Roeck
parent c531eb3f22
commit 703af96040
1 changed files with 28 additions and 23 deletions
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51
drivers/hwmon/max6650.c
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@ -159,13 +159,13 @@ static ssize_t get_fan(struct device *dev, struct device_attribute *devattr,
int rpm;
/*
* Calculation details:
*
* Each tachometer counts over an interval given by the "count"
* register (0.25, 0.5, 1 or 2 seconds). This module assumes
* that the fans produce two pulses per revolution (this seems
* to be the most common).
*/
* Calculation details:
*
* Each tachometer counts over an interval given by the "count"
* register (0.25, 0.5, 1 or 2 seconds). This module assumes
* that the fans produce two pulses per revolution (this seems
* to be the most common).
*/
rpm = ((data->tach[attr->index] * 120) / DIV_FROM_REG(data->count));
return sprintf(buf, "%d\n", rpm);
@ -219,12 +219,12 @@ static ssize_t get_target(struct device *dev, struct device_attribute *devattr,
int kscale, ktach, rpm;
/*
* Use the datasheet equation:
*
* FanSpeed = KSCALE x fCLK / [256 x (KTACH + 1)]
*
* then multiply by 60 to give rpm.
*/
* Use the datasheet equation:
*
* FanSpeed = KSCALE x fCLK / [256 x (KTACH + 1)]
*
* then multiply by 60 to give rpm.
*/
kscale = DIV_FROM_REG(data->config);
ktach = data->speed;
@ -248,11 +248,11 @@ static ssize_t set_target(struct device *dev, struct device_attribute *devattr,
rpm = SENSORS_LIMIT(rpm, FAN_RPM_MIN, FAN_RPM_MAX);
/*
* Divide the required speed by 60 to get from rpm to rps, then
* use the datasheet equation:
*
* KTACH = [(fCLK x KSCALE) / (256 x FanSpeed)] - 1
*/
* Divide the required speed by 60 to get from rpm to rps, then
* use the datasheet equation:
*
* KTACH = [(fCLK x KSCALE) / (256 x FanSpeed)] - 1
*/
mutex_lock(&data->update_lock);
@ -286,8 +286,10 @@ static ssize_t get_pwm(struct device *dev, struct device_attribute *devattr,
int pwm;
struct max6650_data *data = max6650_update_device(dev);
/* Useful range for dac is 0-180 for 12V fans and 0-76 for 5V fans.
Lower DAC values mean higher speeds. */
/*
* Useful range for dac is 0-180 for 12V fans and 0-76 for 5V fans.
* Lower DAC values mean higher speeds.
*/
if (data->config & MAX6650_CFG_V12)
pwm = 255 - (255 * (int)data->dac)/180;
else
@ -657,7 +659,8 @@ static int max6650_init_client(struct i2c_client *client)
dev_info(&client->dev, "Prescaler is set to %d.\n",
1 << (config & MAX6650_CFG_PRESCALER_MASK));
/* If mode is set to "full off", we change it to "open loop" and
/*
* If mode is set to "full off", we change it to "open loop" and
* set DAC to 255, which has the same effect. We do this because
* there's no "full off" mode defined in hwmon specifcations.
*/
@ -711,9 +714,11 @@ static struct max6650_data *max6650_update_device(struct device *dev)
MAX6650_REG_COUNT);
data->dac = i2c_smbus_read_byte_data(client, MAX6650_REG_DAC);
/* Alarms are cleared on read in case the condition that
/*
* Alarms are cleared on read in case the condition that
* caused the alarm is removed. Keep the value latched here
* for providing the register through different alarm files. */
* for providing the register through different alarm files.
*/
data->alarm |= i2c_smbus_read_byte_data(client,
MAX6650_REG_ALARM);