diff options
Diffstat (limited to 'drivers/hwmon/lm85.c')
| -rw-r--r-- | drivers/hwmon/lm85.c | 704 |
1 files changed, 345 insertions, 359 deletions
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index 20a8c648280..a02480be65f 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -30,6 +30,7 @@ #include <linux/i2c.h> #include <linux/hwmon.h> #include <linux/hwmon-vid.h> +#include <linux/hwmon-sysfs.h> #include <linux/err.h> #include <linux/mutex.h> @@ -122,23 +123,6 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); #define EMC6D102_REG_EXTEND_ADC3 0x87 #define EMC6D102_REG_EXTEND_ADC4 0x88 -#define LM85_ALARM_IN0 0x0001 -#define LM85_ALARM_IN1 0x0002 -#define LM85_ALARM_IN2 0x0004 -#define LM85_ALARM_IN3 0x0008 -#define LM85_ALARM_TEMP1 0x0010 -#define LM85_ALARM_TEMP2 0x0020 -#define LM85_ALARM_TEMP3 0x0040 -#define LM85_ALARM_ALARM2 0x0080 -#define LM85_ALARM_IN4 0x0100 -#define LM85_ALARM_RESERVED 0x0200 -#define LM85_ALARM_FAN1 0x0400 -#define LM85_ALARM_FAN2 0x0800 -#define LM85_ALARM_FAN3 0x1000 -#define LM85_ALARM_FAN4 0x2000 -#define LM85_ALARM_TEMP1_FAULT 0x4000 -#define LM85_ALARM_TEMP3_FAULT 0x8000 - /* Conversions. Rounding and limit checking is only done on the TO_REG variants. Note that you should be a bit careful with which arguments @@ -155,22 +139,26 @@ static int lm85_scaling[] = { /* .001 Volts */ #define INS_TO_REG(n,val) \ SENSORS_LIMIT(SCALE(val,lm85_scaling[n],192),0,255) -#define INSEXT_FROM_REG(n,val,ext,scale) \ - SCALE((val)*(scale) + (ext),192*(scale),lm85_scaling[n]) +#define INSEXT_FROM_REG(n,val,ext) \ + SCALE(((val) << 4) + (ext), 192 << 4, lm85_scaling[n]) -#define INS_FROM_REG(n,val) INSEXT_FROM_REG(n,val,0,1) +#define INS_FROM_REG(n,val) SCALE((val), 192, lm85_scaling[n]) /* FAN speed is measured using 90kHz clock */ -#define FAN_TO_REG(val) (SENSORS_LIMIT( (val)<=0?0: 5400000/(val),0,65534)) +static inline u16 FAN_TO_REG(unsigned long val) +{ + if (!val) + return 0xffff; + return SENSORS_LIMIT(5400000 / val, 1, 0xfffe); +} #define FAN_FROM_REG(val) ((val)==0?-1:(val)==0xffff?0:5400000/(val)) /* Temperature is reported in .001 degC increments */ #define TEMP_TO_REG(val) \ SENSORS_LIMIT(SCALE(val,1000,1),-127,127) -#define TEMPEXT_FROM_REG(val,ext,scale) \ - SCALE((val)*scale + (ext),scale,1000) -#define TEMP_FROM_REG(val) \ - TEMPEXT_FROM_REG(val,0,1) +#define TEMPEXT_FROM_REG(val,ext) \ + SCALE(((val) << 4) + (ext), 16, 1000) +#define TEMP_FROM_REG(val) ((val) * 1000) #define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255)) #define PWM_FROM_REG(val) (val) @@ -328,7 +316,7 @@ struct lm85_autofan { The structure is dynamically allocated. */ struct lm85_data { struct i2c_client client; - struct class_device *class_dev; + struct device *hwmon_dev; enum chips type; struct mutex update_lock; @@ -350,7 +338,6 @@ struct lm85_data { u8 tach_mode; /* Register encoding, combined */ u8 temp_ext[3]; /* Decoded values */ u8 in_ext[8]; /* Decoded values */ - u8 adc_scale; /* ADC Extended bits scaling factor */ u8 fan_ppr; /* Register value */ u8 smooth[3]; /* Register encoding */ u8 vid; /* Register value */ @@ -387,22 +374,29 @@ static struct i2c_driver lm85_driver = { /* 4 Fans */ -static ssize_t show_fan(struct device *dev, char *buf, int nr) +static ssize_t show_fan(struct device *dev, struct device_attribute *attr, + char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr]) ); } -static ssize_t show_fan_min(struct device *dev, char *buf, int nr) + +static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, + char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr]) ); } -static ssize_t set_fan_min(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); - long val = simple_strtol(buf, NULL, 10); + unsigned long val = simple_strtoul(buf, NULL, 10); mutex_lock(&data->update_lock); data->fan_min[nr] = FAN_TO_REG(val); @@ -412,23 +406,10 @@ static ssize_t set_fan_min(struct device *dev, const char *buf, } #define show_fan_offset(offset) \ -static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_fan(dev, buf, offset - 1); \ -} \ -static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_fan_min(dev, buf, offset - 1); \ -} \ -static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_fan_min(dev, buf, count, offset - 1); \ -} \ -static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, \ - NULL); \ -static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ - show_fan_##offset##_min, set_fan_##offset##_min); +static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ + show_fan, NULL, offset - 1); \ +static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ + show_fan_min, set_fan_min, offset - 1) show_fan_offset(1); show_fan_offset(2); @@ -457,7 +438,7 @@ static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) { - struct lm85_data *data = lm85_update_device(dev); + struct lm85_data *data = dev_get_drvdata(dev); return sprintf(buf, "%ld\n", (long) data->vrm); } @@ -482,16 +463,46 @@ static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); +static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int nr = to_sensor_dev_attr(attr)->index; + struct lm85_data *data = lm85_update_device(dev); + return sprintf(buf, "%u\n", (data->alarms >> nr) & 1); +} + +static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); +static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 18); +static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 16); +static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 17); +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); +static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_alarm, NULL, 14); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); +static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 6); +static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 15); +static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 10); +static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 11); +static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 12); +static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 13); + /* pwm */ -static ssize_t show_pwm(struct device *dev, char *buf, int nr) +static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, + char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm[nr]) ); } -static ssize_t set_pwm(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -502,8 +513,11 @@ static ssize_t set_pwm(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } -static ssize_t show_pwm_enable(struct device *dev, char *buf, int nr) + +static ssize_t show_pwm_enable(struct device *dev, struct device_attribute + *attr, char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); int pwm_zone; @@ -512,23 +526,10 @@ static ssize_t show_pwm_enable(struct device *dev, char *buf, int nr) } #define show_pwm_reg(offset) \ -static ssize_t show_pwm_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_pwm(dev, buf, offset - 1); \ -} \ -static ssize_t set_pwm_##offset (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_pwm(dev, buf, count, offset - 1); \ -} \ -static ssize_t show_pwm_enable##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_pwm_enable(dev, buf, offset - 1); \ -} \ -static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ - show_pwm_##offset, set_pwm_##offset); \ -static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO, \ - show_pwm_enable##offset, NULL); +static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ + show_pwm, set_pwm, offset - 1); \ +static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO, \ + show_pwm_enable, NULL, offset - 1) show_pwm_reg(1); show_pwm_reg(2); @@ -536,22 +537,28 @@ show_pwm_reg(3); /* Voltages */ -static ssize_t show_in(struct device *dev, char *buf, int nr) +static ssize_t show_in(struct device *dev, struct device_attribute *attr, + char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr, data->in[nr], - data->in_ext[nr], - data->adc_scale) ); + data->in_ext[nr])); } -static ssize_t show_in_min(struct device *dev, char *buf, int nr) + +static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, + char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]) ); } -static ssize_t set_in_min(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -562,14 +569,19 @@ static ssize_t set_in_min(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } -static ssize_t show_in_max(struct device *dev, char *buf, int nr) + +static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, + char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]) ); } -static ssize_t set_in_max(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -580,59 +592,47 @@ static ssize_t set_in_max(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } + #define show_in_reg(offset) \ -static ssize_t show_in_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_in(dev, buf, offset); \ -} \ -static ssize_t show_in_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_in_min(dev, buf, offset); \ -} \ -static ssize_t show_in_##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_in_max(dev, buf, offset); \ -} \ -static ssize_t set_in_##offset##_min (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_in_min(dev, buf, count, offset); \ -} \ -static ssize_t set_in_##offset##_max (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_in_max(dev, buf, count, offset); \ -} \ -static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in_##offset, \ - NULL); \ -static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ - show_in_##offset##_min, set_in_##offset##_min); \ -static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ - show_in_##offset##_max, set_in_##offset##_max); +static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ + show_in, NULL, offset); \ +static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ + show_in_min, set_in_min, offset); \ +static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ + show_in_max, set_in_max, offset) show_in_reg(0); show_in_reg(1); show_in_reg(2); show_in_reg(3); show_in_reg(4); +show_in_reg(5); +show_in_reg(6); +show_in_reg(7); /* Temps */ -static ssize_t show_temp(struct device *dev, char *buf, int nr) +static ssize_t show_temp(struct device *dev, struct device_attribute *attr, + char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr], - data->temp_ext[nr], - data->adc_scale) ); + data->temp_ext[nr])); } -static ssize_t show_temp_min(struct device *dev, char *buf, int nr) + +static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, + char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]) ); } -static ssize_t set_temp_min(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -643,14 +643,19 @@ static ssize_t set_temp_min(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } -static ssize_t show_temp_max(struct device *dev, char *buf, int nr) + +static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, + char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]) ); } -static ssize_t set_temp_max(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -661,35 +666,14 @@ static ssize_t set_temp_max(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } + #define show_temp_reg(offset) \ -static ssize_t show_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_temp(dev, buf, offset - 1); \ -} \ -static ssize_t show_temp_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_temp_min(dev, buf, offset - 1); \ -} \ -static ssize_t show_temp_##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_temp_max(dev, buf, offset - 1); \ -} \ -static ssize_t set_temp_##offset##_min (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_temp_min(dev, buf, count, offset - 1); \ -} \ -static ssize_t set_temp_##offset##_max (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_temp_max(dev, buf, count, offset - 1); \ -} \ -static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, \ - NULL); \ -static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ - show_temp_##offset##_min, set_temp_##offset##_min); \ -static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ - show_temp_##offset##_max, set_temp_##offset##_max); +static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ + show_temp, NULL, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ + show_temp_min, set_temp_min, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ + show_temp_max, set_temp_max, offset - 1); show_temp_reg(1); show_temp_reg(2); @@ -698,14 +682,18 @@ show_temp_reg(3); /* Automatic PWM control */ -static ssize_t show_pwm_auto_channels(struct device *dev, char *buf, int nr) +static ssize_t show_pwm_auto_channels(struct device *dev, + struct device_attribute *attr, char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config)); } -static ssize_t set_pwm_auto_channels(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_pwm_auto_channels(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -718,14 +706,19 @@ static ssize_t set_pwm_auto_channels(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } -static ssize_t show_pwm_auto_pwm_min(struct device *dev, char *buf, int nr) + +static ssize_t show_pwm_auto_pwm_min(struct device *dev, + struct device_attribute *attr, char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm)); } -static ssize_t set_pwm_auto_pwm_min(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_pwm_auto_pwm_min(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -737,14 +730,19 @@ static ssize_t set_pwm_auto_pwm_min(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } -static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, char *buf, int nr) + +static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, + struct device_attribute *attr, char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", data->autofan[nr].min_off); } -static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -760,14 +758,19 @@ static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } -static ssize_t show_pwm_auto_pwm_freq(struct device *dev, char *buf, int nr) + +static ssize_t show_pwm_auto_pwm_freq(struct device *dev, + struct device_attribute *attr, char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq)); } -static ssize_t set_pwm_auto_pwm_freq(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_pwm_auto_pwm_freq(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -781,74 +784,40 @@ static ssize_t set_pwm_auto_pwm_freq(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } + #define pwm_auto(offset) \ -static ssize_t show_pwm##offset##_auto_channels (struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_pwm_auto_channels(dev, buf, offset - 1); \ -} \ -static ssize_t set_pwm##offset##_auto_channels (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_pwm_auto_channels(dev, buf, count, offset - 1); \ -} \ -static ssize_t show_pwm##offset##_auto_pwm_min (struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_pwm_auto_pwm_min(dev, buf, offset - 1); \ -} \ -static ssize_t set_pwm##offset##_auto_pwm_min (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_pwm_auto_pwm_min(dev, buf, count, offset - 1); \ -} \ -static ssize_t show_pwm##offset##_auto_pwm_minctl (struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_pwm_auto_pwm_minctl(dev, buf, offset - 1); \ -} \ -static ssize_t set_pwm##offset##_auto_pwm_minctl (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_pwm_auto_pwm_minctl(dev, buf, count, offset - 1); \ -} \ -static ssize_t show_pwm##offset##_auto_pwm_freq (struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_pwm_auto_pwm_freq(dev, buf, offset - 1); \ -} \ -static ssize_t set_pwm##offset##_auto_pwm_freq(struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_pwm_auto_pwm_freq(dev, buf, count, offset - 1); \ -} \ -static DEVICE_ATTR(pwm##offset##_auto_channels, S_IRUGO | S_IWUSR, \ - show_pwm##offset##_auto_channels, \ - set_pwm##offset##_auto_channels); \ -static DEVICE_ATTR(pwm##offset##_auto_pwm_min, S_IRUGO | S_IWUSR, \ - show_pwm##offset##_auto_pwm_min, \ - set_pwm##offset##_auto_pwm_min); \ -static DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, S_IRUGO | S_IWUSR, \ - show_pwm##offset##_auto_pwm_minctl, \ - set_pwm##offset##_auto_pwm_minctl); \ -static DEVICE_ATTR(pwm##offset##_auto_pwm_freq, S_IRUGO | S_IWUSR, \ - show_pwm##offset##_auto_pwm_freq, \ - set_pwm##offset##_auto_pwm_freq); +static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels, \ + S_IRUGO | S_IWUSR, show_pwm_auto_channels, \ + set_pwm_auto_channels, offset - 1); \ +static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_min, \ + S_IRUGO | S_IWUSR, show_pwm_auto_pwm_min, \ + set_pwm_auto_pwm_min, offset - 1); \ +static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, \ + S_IRUGO | S_IWUSR, show_pwm_auto_pwm_minctl, \ + set_pwm_auto_pwm_minctl, offset - 1); \ +static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_freq, \ + S_IRUGO | S_IWUSR, show_pwm_auto_pwm_freq, \ + set_pwm_auto_pwm_freq, offset - 1); + pwm_auto(1); pwm_auto(2); pwm_auto(3); /* Temperature settings for automatic PWM control */ -static ssize_t show_temp_auto_temp_off(struct device *dev, char *buf, int nr) +static ssize_t show_temp_auto_temp_off(struct device *dev, + struct device_attribute *attr, char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) - HYST_FROM_REG(data->zone[nr].hyst)); } -static ssize_t set_temp_auto_temp_off(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_temp_auto_temp_off(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); int min; @@ -871,14 +840,19 @@ static ssize_t set_temp_auto_temp_off(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } -static ssize_t show_temp_auto_temp_min(struct device *dev, char *buf, int nr) + +static ssize_t show_temp_auto_temp_min(struct device *dev, + struct device_attribute *attr, char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) ); } -static ssize_t set_temp_auto_temp_min(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_temp_auto_temp_min(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -913,15 +887,20 @@ static ssize_t set_temp_auto_temp_min(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } -static ssize_t show_temp_auto_temp_max(struct device *dev, char *buf, int nr) + +static ssize_t show_temp_auto_temp_max(struct device *dev, + struct device_attribute *attr, char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) + RANGE_FROM_REG(data->zone[nr].range)); } -static ssize_t set_temp_auto_temp_max(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_temp_auto_temp_max(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); int min; @@ -938,14 +917,19 @@ static ssize_t set_temp_auto_temp_max(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } -static ssize_t show_temp_auto_temp_crit(struct device *dev, char *buf, int nr) + +static ssize_t show_temp_auto_temp_crit(struct device *dev, + struct device_attribute *attr, char *buf) { + int nr = to_sensor_dev_attr(attr)->index; struct lm85_data *data = lm85_update_device(dev); return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical)); } -static ssize_t set_temp_auto_temp_crit(struct device *dev, const char *buf, - size_t count, int nr) + +static ssize_t set_temp_auto_temp_crit(struct device *dev, + struct device_attribute *attr,const char *buf, size_t count) { + int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); @@ -957,59 +941,21 @@ static ssize_t set_temp_auto_temp_crit(struct device *dev, const char *buf, mutex_unlock(&data->update_lock); return count; } + #define temp_auto(offset) \ -static ssize_t show_temp##offset##_auto_temp_off (struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_temp_auto_temp_off(dev, buf, offset - 1); \ -} \ -static ssize_t set_temp##offset##_auto_temp_off (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_temp_auto_temp_off(dev, buf, count, offset - 1); \ -} \ -static ssize_t show_temp##offset##_auto_temp_min (struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_temp_auto_temp_min(dev, buf, offset - 1); \ -} \ -static ssize_t set_temp##offset##_auto_temp_min (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_temp_auto_temp_min(dev, buf, count, offset - 1); \ -} \ -static ssize_t show_temp##offset##_auto_temp_max (struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_temp_auto_temp_max(dev, buf, offset - 1); \ -} \ -static ssize_t set_temp##offset##_auto_temp_max (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_temp_auto_temp_max(dev, buf, count, offset - 1); \ -} \ -static ssize_t show_temp##offset##_auto_temp_crit (struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_temp_auto_temp_crit(dev, buf, offset - 1); \ -} \ -static ssize_t set_temp##offset##_auto_temp_crit (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_temp_auto_temp_crit(dev, buf, count, offset - 1); \ -} \ -static DEVICE_ATTR(temp##offset##_auto_temp_off, S_IRUGO | S_IWUSR, \ - show_temp##offset##_auto_temp_off, \ - set_temp##offset##_auto_temp_off); \ -static DEVICE_ATTR(temp##offset##_auto_temp_min, S_IRUGO | S_IWUSR, \ - show_temp##offset##_auto_temp_min, \ - set_temp##offset##_auto_temp_min); \ -static DEVICE_ATTR(temp##offset##_auto_temp_max, S_IRUGO | S_IWUSR, \ - show_temp##offset##_auto_temp_max, \ - set_temp##offset##_auto_temp_max); \ -static DEVICE_ATTR(temp##offset##_auto_temp_crit, S_IRUGO | S_IWUSR, \ - show_temp##offset##_auto_temp_crit, \ - set_temp##offset##_auto_temp_crit); +static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_off, \ + S_IRUGO | S_IWUSR, show_temp_auto_temp_off, \ + set_temp_auto_temp_off, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_min, \ + S_IRUGO | S_IWUSR, show_temp_auto_temp_min, \ + set_temp_auto_temp_min, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_max, \ + S_IRUGO | S_IWUSR, show_temp_auto_temp_max, \ + set_temp_auto_temp_max, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_crit, \ + S_IRUGO | S_IWUSR, show_temp_auto_temp_crit, \ + set_temp_auto_temp_crit, offset - 1); + temp_auto(1); temp_auto(2); temp_auto(3); @@ -1022,69 +968,87 @@ static int lm85_attach_adapter(struct i2c_adapter *adapter) } static struct attribute *lm85_attributes[] = { - &dev_attr_fan1_input.attr, - &dev_attr_fan2_input.attr, - &dev_attr_fan3_input.attr, - &dev_attr_fan4_input.attr, - &dev_attr_fan1_min.attr, - &dev_attr_fan2_min.attr, - &dev_attr_fan3_min.attr, - &dev_attr_fan4_min.attr, - &dev_attr_pwm1.attr, - &dev_attr_pwm2.attr, - &dev_attr_pwm3.attr, - &dev_attr_pwm1_enable.attr, - &dev_attr_pwm2_enable.attr, - &dev_attr_pwm3_enable.attr, - &dev_attr_in0_input.attr, - &dev_attr_in1_input.attr, - &dev_attr_in2_input.attr, - &dev_attr_in3_input.attr, - &dev_attr_in0_min.attr, - &dev_attr_in1_min.attr, - &dev_attr_in2_min.attr, - &dev_attr_in3_min.attr, - &dev_attr_in0_max.attr, - &dev_attr_in1_max.attr, - &dev_attr_in2_max.attr, - &dev_attr_in3_max.attr, - &dev_attr_temp1_input.attr, - &dev_attr_temp2_input.attr, - &dev_attr_temp3_input.attr, - &dev_attr_temp1_min.attr, - &dev_attr_temp2_min.attr, - &dev_attr_temp3_min.attr, - &dev_attr_temp1_max.attr, - &dev_attr_temp2_max.attr, - &dev_attr_temp3_max.attr, + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan4_input.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, + &sensor_dev_attr_fan4_min.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, + &sensor_dev_attr_fan4_alarm.dev_attr.attr, + + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in0_min.dev_attr.attr, + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in0_max.dev_attr.attr, + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in0_alarm.dev_attr.attr, + &sensor_dev_attr_in1_alarm.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, + + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp3_min.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp3_max.dev_attr.attr, + &sensor_dev_attr_temp1_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_fault.dev_attr.attr, + &sensor_dev_attr_temp3_fault.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_channels.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_pwm_minctl.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_pwm_minctl.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_pwm_minctl.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_pwm_freq.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_pwm_freq.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_pwm_freq.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_temp_off.dev_attr.attr, + &sensor_dev_attr_temp2_auto_temp_off.dev_attr.attr, + &sensor_dev_attr_temp3_auto_temp_off.dev_attr.attr, + &sensor_dev_attr_temp1_auto_temp_min.dev_attr.attr, + &sensor_dev_attr_temp2_auto_temp_min.dev_attr.attr, + &sensor_dev_attr_temp3_auto_temp_min.dev_attr.attr, + &sensor_dev_attr_temp1_auto_temp_max.dev_attr.attr, + &sensor_dev_attr_temp2_auto_temp_max.dev_attr.attr, + &sensor_dev_attr_temp3_auto_temp_max.dev_attr.attr, + &sensor_dev_attr_temp1_auto_temp_crit.dev_attr.attr, + &sensor_dev_attr_temp2_auto_temp_crit.dev_attr.attr, + &sensor_dev_attr_temp3_auto_temp_crit.dev_attr.attr, + &dev_attr_vrm.attr, &dev_attr_cpu0_vid.attr, &dev_attr_alarms.attr, - &dev_attr_pwm1_auto_channels.attr, - &dev_attr_pwm2_auto_channels.attr, - &dev_attr_pwm3_auto_channels.attr, - &dev_attr_pwm1_auto_pwm_min.attr, - &dev_attr_pwm2_auto_pwm_min.attr, - &dev_attr_pwm3_auto_pwm_min.attr, - &dev_attr_pwm1_auto_pwm_minctl.attr, - &dev_attr_pwm2_auto_pwm_minctl.attr, - &dev_attr_pwm3_auto_pwm_minctl.attr, - &dev_attr_pwm1_auto_pwm_freq.attr, - &dev_attr_pwm2_auto_pwm_freq.attr, - &dev_attr_pwm3_auto_pwm_freq.attr, - &dev_attr_temp1_auto_temp_off.attr, - &dev_attr_temp2_auto_temp_off.attr, - &dev_attr_temp3_auto_temp_off.attr, - &dev_attr_temp1_auto_temp_min.attr, - &dev_attr_temp2_auto_temp_min.attr, - &dev_attr_temp3_auto_temp_min.attr, - &dev_attr_temp1_auto_temp_max.attr, - &dev_attr_temp2_auto_temp_max.attr, - &dev_attr_temp3_auto_temp_max.attr, - &dev_attr_temp1_auto_temp_crit.attr, - &dev_attr_temp2_auto_temp_crit.attr, - &dev_attr_temp3_auto_temp_crit.attr, - NULL }; @@ -1092,16 +1056,36 @@ static const struct attribute_group lm85_group = { .attrs = lm85_attributes, }; -static struct attribute *lm85_attributes_opt[] = { - &dev_attr_in4_input.attr, - &dev_attr_in4_min.attr, - &dev_attr_in4_max.attr, +static struct attribute *lm85_attributes_in4[] = { + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, + NULL +}; + +static const struct attribute_group lm85_group_in4 = { + .attrs = lm85_attributes_in4, +}; +static struct attribute *lm85_attributes_in567[] = { + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in7_input.dev_attr.attr, + &sensor_dev_attr_in5_min.dev_attr.attr, + &sensor_dev_attr_in6_min.dev_attr.attr, + &sensor_dev_attr_in7_min.dev_attr.attr, + &sensor_dev_attr_in5_max.dev_attr.attr, + &sensor_dev_attr_in6_max.dev_attr.attr, + &sensor_dev_attr_in7_max.dev_attr.attr, + &sensor_dev_attr_in5_alarm.dev_attr.attr, + &sensor_dev_attr_in6_alarm.dev_attr.attr, + &sensor_dev_attr_in7_alarm.dev_attr.attr, NULL }; -static const struct attribute_group lm85_group_opt = { - .attrs = lm85_attributes_opt, +static const struct attribute_group lm85_group_in567 = { + .attrs = lm85_attributes_in567, }; static int lm85_detect(struct i2c_adapter *adapter, int address, @@ -1249,17 +1233,19 @@ static int lm85_detect(struct i2c_adapter *adapter, int address, as a sixth digital VID input rather than an analog input. */ data->vid = lm85_read_value(new_client, LM85_REG_VID); if (!(kind == adt7463 && (data->vid & 0x80))) - if ((err = device_create_file(&new_client->dev, - &dev_attr_in4_input)) - || (err = device_create_file(&new_client->dev, - &dev_attr_in4_min)) - || (err = device_create_file(&new_client->dev, - &dev_attr_in4_max))) + if ((err = sysfs_create_group(&new_client->dev.kobj, + &lm85_group_in4))) goto ERROR3; - data->class_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->class_dev)) { - err = PTR_ERR(data->class_dev); + /* The EMC6D100 has 3 additional voltage inputs */ + if (kind == emc6d100) + if ((err = sysfs_create_group(&new_client->dev.kobj, + &lm85_group_in567))) + goto ERROR3; + + data->hwmon_dev = hwmon_device_register(&new_client->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); goto ERROR3; } @@ -1268,7 +1254,9 @@ static int lm85_detect(struct i2c_adapter *adapter, int address, /* Error out and cleanup code */ ERROR3: sysfs_remove_group(&new_client->dev.kobj, &lm85_group); - sysfs_remove_group(&new_client->dev.kobj, &lm85_group_opt); + sysfs_remove_group(&new_client->dev.kobj, &lm85_group_in4); + if (kind == emc6d100) + sysfs_remove_group(&new_client->dev.kobj, &lm85_group_in567); ERROR2: i2c_detach_client(new_client); ERROR1: @@ -1280,9 +1268,11 @@ static int lm85_detect(struct i2c_adapter *adapter, int address, static int lm85_detach_client(struct i2c_client *client) { struct lm85_data *data = i2c_get_clientdata(client); - hwmon_device_unregister(data->class_dev); + hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &lm85_group); - sysfs_remove_group(&client->dev.kobj, &lm85_group_opt); + sysfs_remove_group(&client->dev.kobj, &lm85_group_in4); + if (data->type == emc6d100) + sysfs_remove_group(&client->dev.kobj, &lm85_group_in567); i2c_detach_client(client); kfree(data); return 0; @@ -1405,6 +1395,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) /* Have to read extended bits first to "freeze" the * more significant bits that are read later. + * There are 2 additional resolution bits per channel and we + * have room for 4, so we shift them to the left. */ if ( (data->type == adm1027) || (data->type == adt7463) ) { int ext1 = lm85_read_value(client, @@ -1414,18 +1406,12 @@ static struct lm85_data *lm85_update_device(struct device *dev) int val = (ext1 << 8) + ext2; for(i = 0; i <= 4; i++) - data->in_ext[i] = (val>>(i * 2))&0x03; + data->in_ext[i] = ((val>>(i * 2))&0x03) << 2; for(i = 0; i <= 2; i++) - data->temp_ext[i] = (val>>((i + 5) * 2))&0x03; + data->temp_ext[i] = (val>>((i + 4) * 2))&0x0c; } - /* adc_scale is 2^(number of LSBs). There are 4 extra bits in - the emc6d102 and 2 in the adt7463 and adm1027. In all - other chips ext is always 0 and the value of scale is - irrelevant. So it is left in 4*/ - data->adc_scale = (data->type == emc6d102 ) ? 16 : 4; - data->vid = lm85_read_value(client, LM85_REG_VID); for (i = 0; i <= 3; ++i) { |