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hwmon: (adt7475) Fix multi-line comments

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Cc: Jean Delvare <khali@linux-fr.org>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2012-01-19 11:02:15 -08:00 committed by Guenter Roeck
parent 2fff0840c2
commit 9ed5bc24fa
1 changed files with 58 additions and 32 deletions
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90
drivers/hwmon/adt7475.c
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@ -32,9 +32,10 @@
#define THERM 5 #define THERM 5
#define HYSTERSIS 6 #define HYSTERSIS 6
/* These are unique identifiers for the sysfs functions - unlike the /*
numbers above, these are not also indexes into an array * These are unique identifiers for the sysfs functions - unlike the
*/ * numbers above, these are not also indexes into an array
*/
#define ALARM 9 #define ALARM 9
#define FAULT 10 #define FAULT 10
@ -288,8 +289,10 @@ static void adt7475_write_word(struct i2c_client *client, int reg, u16 val)
i2c_smbus_write_byte_data(client, reg, val & 0xFF); i2c_smbus_write_byte_data(client, reg, val & 0xFF);
} }
/* Find the nearest value in a table - used for pwm frequency and /*
auto temp range */ * Find the nearest value in a table - used for pwm frequency and
* auto temp range
*/
static int find_nearest(long val, const int *array, int size) static int find_nearest(long val, const int *array, int size)
{ {
int i; int i;
@ -385,16 +388,20 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
out = (out >> 4) & 0xF; out = (out >> 4) & 0xF;
else else
out = (out & 0xF); out = (out & 0xF);
/* Show the value as an absolute number tied to /*
* THERM */ * Show the value as an absolute number tied to
* THERM
*/
out = reg2temp(data, data->temp[THERM][sattr->index]) - out = reg2temp(data, data->temp[THERM][sattr->index]) -
out * 1000; out * 1000;
mutex_unlock(&data->lock); mutex_unlock(&data->lock);
break; break;
case OFFSET: case OFFSET:
/* Offset is always 2's complement, regardless of the /*
* setting in CONFIG5 */ * Offset is always 2's complement, regardless of the
* setting in CONFIG5
*/
mutex_lock(&data->lock); mutex_lock(&data->lock);
out = (s8)data->temp[sattr->nr][sattr->index]; out = (s8)data->temp[sattr->nr][sattr->index];
if (data->config5 & CONFIG5_TEMPOFFSET) if (data->config5 & CONFIG5_TEMPOFFSET)
@ -452,8 +459,10 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
break; break;
case HYSTERSIS: case HYSTERSIS:
/* The value will be given as an absolute value, turn it /*
into an offset based on THERM */ * The value will be given as an absolute value, turn it
* into an offset based on THERM
*/
/* Read fresh THERM and HYSTERSIS values from the chip */ /* Read fresh THERM and HYSTERSIS values from the chip */
data->temp[THERM][sattr->index] = data->temp[THERM][sattr->index] =
@ -478,8 +487,10 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
default: default:
data->temp[sattr->nr][sattr->index] = temp2reg(data, val); data->temp[sattr->nr][sattr->index] = temp2reg(data, val);
/* We maintain an extra 2 digits of precision for simplicity /*
* - shift those back off before writing the value */ * We maintain an extra 2 digits of precision for simplicity
* - shift those back off before writing the value
*/
out = (u8) (data->temp[sattr->nr][sattr->index] >> 2); out = (u8) (data->temp[sattr->nr][sattr->index] >> 2);
} }
@ -514,8 +525,10 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
return count; return count;
} }
/* Table of autorange values - the user will write the value in millidegrees, /*
and we'll convert it */ * Table of autorange values - the user will write the value in millidegrees,
* and we'll convert it
*/
static const int autorange_table[] = { static const int autorange_table[] = {
2000, 2500, 3330, 4000, 5000, 6670, 8000, 2000, 2500, 3330, 4000, 5000, 6670, 8000,
10000, 13330, 16000, 20000, 26670, 32000, 40000, 10000, 13330, 16000, 20000, 26670, 32000, 40000,
@ -558,8 +571,10 @@ static ssize_t set_point2(struct device *dev, struct device_attribute *attr,
data->range[sattr->index] = data->range[sattr->index] =
adt7475_read(TEMP_TRANGE_REG(sattr->index)); adt7475_read(TEMP_TRANGE_REG(sattr->index));
/* The user will write an absolute value, so subtract the start point /*
to figure the range */ * The user will write an absolute value, so subtract the start point
* to figure the range
*/
temp = reg2temp(data, data->temp[AUTOMIN][sattr->index]); temp = reg2temp(data, data->temp[AUTOMIN][sattr->index]);
val = SENSORS_LIMIT(val, temp + autorange_table[0], val = SENSORS_LIMIT(val, temp + autorange_table[0],
temp + autorange_table[ARRAY_SIZE(autorange_table) - 1]); temp + autorange_table[ARRAY_SIZE(autorange_table) - 1]);
@ -664,8 +679,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
data->pwm[CONTROL][sattr->index] = data->pwm[CONTROL][sattr->index] =
adt7475_read(PWM_CONFIG_REG(sattr->index)); adt7475_read(PWM_CONFIG_REG(sattr->index));
/* If we are not in manual mode, then we shouldn't allow /*
* the user to set the pwm speed */ * If we are not in manual mode, then we shouldn't allow
* the user to set the pwm speed
*/
if (((data->pwm[CONTROL][sattr->index] >> 5) & 7) != 7) { if (((data->pwm[CONTROL][sattr->index] >> 5) & 7) != 7) {
mutex_unlock(&data->lock); mutex_unlock(&data->lock);
return count; return count;
@ -1280,9 +1297,11 @@ static int adt7475_probe(struct i2c_client *client,
if ((data->config4 & CONFIG4_PINFUNC) == 0x0) if ((data->config4 & CONFIG4_PINFUNC) == 0x0)
data->has_fan4 = 1; data->has_fan4 = 1;
/* THERM configuration is more complex on the ADT7476 and ADT7490, /*
because 2 different pins (TACH4 and +2.5 Vin) can be used for * THERM configuration is more complex on the ADT7476 and ADT7490,
this function */ * because 2 different pins (TACH4 and +2.5 Vin) can be used for
* this function
*/
if (id->driver_data == adt7490) { if (id->driver_data == adt7490) {
if ((data->config4 & CONFIG4_PINFUNC) == 0x1 && if ((data->config4 & CONFIG4_PINFUNC) == 0x1 &&
!(config3 & CONFIG3_THERM)) !(config3 & CONFIG3_THERM))
@ -1294,8 +1313,10 @@ static int adt7475_probe(struct i2c_client *client,
data->has_voltage |= (1 << 0); /* in0 */ data->has_voltage |= (1 << 0); /* in0 */
} }
/* On the ADT7476, the +12V input pin may instead be used as VID5, /*
and VID pins may alternatively be used as GPIO */ * On the ADT7476, the +12V input pin may instead be used as VID5,
* and VID pins may alternatively be used as GPIO
*/
if (id->driver_data == adt7476) { if (id->driver_data == adt7476) {
u8 vid = adt7475_read(REG_VID); u8 vid = adt7475_read(REG_VID);
if (!(vid & VID_VIDSEL)) if (!(vid & VID_VIDSEL))
@ -1314,8 +1335,10 @@ static int adt7475_probe(struct i2c_client *client,
} }
data->bypass_attn &= data->has_voltage; data->bypass_attn &= data->has_voltage;
/* Call adt7475_read_pwm for all pwm's as this will reprogram any /*
pwm's which are disabled to manual mode with 0% duty cycle */ * Call adt7475_read_pwm for all pwm's as this will reprogram any
* pwm's which are disabled to manual mode with 0% duty cycle
*/
for (i = 0; i < ADT7475_PWM_COUNT; i++) for (i = 0; i < ADT7475_PWM_COUNT; i++)
adt7475_read_pwm(client, i); adt7475_read_pwm(client, i);
@ -1431,8 +1454,10 @@ static void adt7475_read_pwm(struct i2c_client *client, int index)
data->pwm[CONTROL][index] = adt7475_read(PWM_CONFIG_REG(index)); data->pwm[CONTROL][index] = adt7475_read(PWM_CONFIG_REG(index));
/* Figure out the internal value for pwmctrl and pwmchan /*
based on the current settings */ * Figure out the internal value for pwmctrl and pwmchan
* based on the current settings
*/
v = (data->pwm[CONTROL][index] >> 5) & 7; v = (data->pwm[CONTROL][index] >> 5) & 7;
if (v == 3) if (v == 3)
@ -1440,10 +1465,11 @@ static void adt7475_read_pwm(struct i2c_client *client, int index)
else if (v == 7) else if (v == 7)
data->pwmctl[index] = 1; data->pwmctl[index] = 1;
else if (v == 4) { else if (v == 4) {
/* The fan is disabled - we don't want to /*
support that, so change to manual mode and * The fan is disabled - we don't want to
set the duty cycle to 0 instead * support that, so change to manual mode and
*/ * set the duty cycle to 0 instead
*/
data->pwm[INPUT][index] = 0; data->pwm[INPUT][index] = 0;
data->pwm[CONTROL][index] &= ~0xE0; data->pwm[CONTROL][index] &= ~0xE0;
data->pwm[CONTROL][index] |= (7 << 5); data->pwm[CONTROL][index] |= (7 << 5);