hwmon: (vt1211) Fix checkpatch issues
Fixed:
ERROR: do not use assignment in if condition
ERROR: switch and case should be at the same indent
ERROR: trailing statements should be on next line
WARNING: braces {} are not necessary for single statement blocks
WARNING: simple_strtol is obsolete, use kstrtol instead
Modify multi-line comments to follow Documentation/CodingStyle.
Not fixed (false positive):
ERROR: Macros with complex values should be enclosed in parenthesis
Not all fixed (code complexity):
ERROR: do not use assignment in if condition
Cc: Juerg Haefliger <juergh@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck
Guenter Roeck
Родитель
9004ac8134
Коммит
b162c03348
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@ -151,8 +151,10 @@ struct vt1211_data {
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#define ISTEMP(ix, uch_config) ((ix) < 2 ? 1 : \
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((uch_config) >> (ix)) & 1)
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/* in5 (ix = 5) is special. It's the internal 3.3V so it's scaled in the
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driver according to the VT1211 BIOS porting guide */
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/*
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* in5 (ix = 5) is special. It's the internal 3.3V so it's scaled in the
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* driver according to the VT1211 BIOS porting guide
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*/
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#define IN_FROM_REG(ix, reg) ((reg) < 3 ? 0 : (ix) == 5 ? \
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(((reg) - 3) * 15882 + 479) / 958 : \
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(((reg) - 3) * 10000 + 479) / 958)
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@ -160,11 +162,13 @@ struct vt1211_data {
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((val) * 958 + 7941) / 15882 + 3 : \
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((val) * 958 + 5000) / 10000 + 3, 0, 255))
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/* temp1 (ix = 0) is an intel thermal diode which is scaled in user space.
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temp2 (ix = 1) is the internal temp diode so it's scaled in the driver
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according to some measurements that I took on an EPIA M10000.
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temp3-7 are thermistor based so the driver returns the voltage measured at
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the pin (range 0V - 2.2V). */
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/*
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* temp1 (ix = 0) is an intel thermal diode which is scaled in user space.
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* temp2 (ix = 1) is the internal temp diode so it's scaled in the driver
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* according to some measurements that I took on an EPIA M10000.
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* temp3-7 are thermistor based so the driver returns the voltage measured at
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* the pin (range 0V - 2.2V).
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*/
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#define TEMP_FROM_REG(ix, reg) ((ix) == 0 ? (reg) * 1000 : \
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(ix) == 1 ? (reg) < 51 ? 0 : \
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((reg) - 51) * 1000 : \
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@ -186,8 +190,10 @@ struct vt1211_data {
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* Super-I/O constants and functions
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* --------------------------------------------------------------------- */
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/* Configuration index port registers
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* The vt1211 can live at 2 different addresses so we need to probe both */
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/*
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* Configuration index port registers
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* The vt1211 can live at 2 different addresses so we need to probe both
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*/
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#define SIO_REG_CIP1 0x2e
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#define SIO_REG_CIP2 0x4e
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@ -377,7 +383,12 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr,
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to_sensor_dev_attr_2(attr);
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int ix = sensor_attr_2->index;
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int fn = sensor_attr_2->nr;
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long val = simple_strtol(buf, NULL, 10);
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long val;
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int err;
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err = kstrtol(buf, 10, &val);
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if (err)
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return err;
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mutex_lock(&data->update_lock);
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switch (fn) {
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@ -446,7 +457,12 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
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to_sensor_dev_attr_2(attr);
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int ix = sensor_attr_2->index;
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int fn = sensor_attr_2->nr;
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long val = simple_strtol(buf, NULL, 10);
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long val;
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int err;
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err = kstrtol(buf, 10, &val);
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if (err)
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return err;
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mutex_lock(&data->update_lock);
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switch (fn) {
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@ -517,8 +533,13 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
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to_sensor_dev_attr_2(attr);
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int ix = sensor_attr_2->index;
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int fn = sensor_attr_2->nr;
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long val = simple_strtol(buf, NULL, 10);
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int reg;
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unsigned long val;
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int err;
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err = kstrtoul(buf, 10, &val);
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if (err)
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return err;
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mutex_lock(&data->update_lock);
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@ -536,16 +557,23 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
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break;
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case SHOW_SET_FAN_DIV:
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switch (val) {
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case 1: data->fan_div[ix] = 0; break;
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case 2: data->fan_div[ix] = 1; break;
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case 4: data->fan_div[ix] = 2; break;
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case 8: data->fan_div[ix] = 3; break;
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default:
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count = -EINVAL;
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dev_warn(dev, "fan div value %ld not "
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"supported. Choose one of 1, 2, "
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"4, or 8.\n", val);
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goto EXIT;
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case 1:
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data->fan_div[ix] = 0;
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break;
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case 2:
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data->fan_div[ix] = 1;
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break;
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case 4:
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data->fan_div[ix] = 2;
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break;
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case 8:
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data->fan_div[ix] = 3;
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break;
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default:
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count = -EINVAL;
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dev_warn(dev, "fan div value %ld not supported. "
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"Choose one of 1, 2, 4, or 8.\n", val);
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goto EXIT;
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}
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vt1211_write8(data, VT1211_REG_FAN_DIV,
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((data->fan_div[1] << 6) |
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@ -610,8 +638,13 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
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to_sensor_dev_attr_2(attr);
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int ix = sensor_attr_2->index;
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int fn = sensor_attr_2->nr;
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long val = simple_strtol(buf, NULL, 10);
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int tmp, reg;
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unsigned long val;
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int err;
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err = kstrtoul(buf, 10, &val);
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if (err)
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return err;
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mutex_lock(&data->update_lock);
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@ -628,11 +661,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
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switch (val) {
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case 0:
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data->pwm_ctl[ix] &= 7;
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/* disable SmartGuardian if both PWM outputs are
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* disabled */
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if ((data->pwm_ctl[ix ^ 1] & 1) == 0) {
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/*
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* disable SmartGuardian if both PWM outputs are
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* disabled
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*/
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if ((data->pwm_ctl[ix ^ 1] & 1) == 0)
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data->fan_ctl &= 0xe;
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}
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break;
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case 2:
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data->pwm_ctl[ix] |= 8;
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@ -656,16 +690,15 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
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val = 135000 / SENSORS_LIMIT(val, 135000 >> 7, 135000);
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/* calculate tmp = log2(val) */
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tmp = 0;
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for (val >>= 1; val > 0; val >>= 1) {
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for (val >>= 1; val > 0; val >>= 1)
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tmp++;
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}
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/* sync the data cache */
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reg = vt1211_read8(data, VT1211_REG_PWM_CLK);
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data->pwm_clk = (reg & 0xf8) | tmp;
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vt1211_write8(data, VT1211_REG_PWM_CLK, data->pwm_clk);
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break;
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case SHOW_SET_PWM_AUTO_CHANNELS_TEMP:
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if ((val < 1) || (val > 7)) {
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if (val < 1 || val > 7) {
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count = -EINVAL;
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dev_warn(dev, "temp channel %ld not supported. "
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"Choose a value between 1 and 7.\n", val);
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@ -741,8 +774,14 @@ static ssize_t set_pwm_auto_point_temp(struct device *dev,
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to_sensor_dev_attr_2(attr);
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int ix = sensor_attr_2->index;
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int ap = sensor_attr_2->nr;
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long val = simple_strtol(buf, NULL, 10);
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int reg;
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long val;
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int err;
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err = kstrtol(buf, 10, &val);
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if (err)
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return err;
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mutex_lock(&data->update_lock);
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@ -774,7 +813,7 @@ static ssize_t set_pwm_auto_point_temp(struct device *dev,
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* 1 1 : pwm2 low speed duty cycle (pwm_auto_pwm[1][1])
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* 1 2 : pwm2 high speed duty cycle (pwm_auto_pwm[1][2])
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* 1 3 : pwm2 full speed (pwm_auto_pwm[1][3], hard-wired to 255)
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*/
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*/
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static ssize_t show_pwm_auto_point_pwm(struct device *dev,
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struct device_attribute *attr,
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@ -798,16 +837,15 @@ static ssize_t set_pwm_auto_point_pwm(struct device *dev,
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to_sensor_dev_attr_2(attr);
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int ix = sensor_attr_2->index;
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int ap = sensor_attr_2->nr;
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long val = simple_strtol(buf, NULL, 10);
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unsigned long val;
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int err;
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if ((val < 0) || (val > 255)) {
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dev_err(dev, "pwm value %ld is out of range. "
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"Choose a value between 0 and 255.\n" , val);
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return -EINVAL;
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}
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err = kstrtoul(buf, 10, &val);
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if (err)
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return err;
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mutex_lock(&data->update_lock);
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data->pwm_auto_pwm[ix][ap] = val;
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data->pwm_auto_pwm[ix][ap] = SENSORS_LIMIT(val, 0, 255);
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vt1211_write8(data, VT1211_REG_PWM_AUTO_PWM(ix, ap),
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data->pwm_auto_pwm[ix][ap]);
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mutex_unlock(&data->update_lock);
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@ -831,7 +869,12 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct vt1211_data *data = dev_get_drvdata(dev);
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long val = simple_strtol(buf, NULL, 10);
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unsigned long val;
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int err;
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err = kstrtoul(buf, 10, &val);
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if (err)
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return err;
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data->vrm = val;
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@ -1069,7 +1112,8 @@ static void __devinit vt1211_init_device(struct vt1211_data *data)
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vt1211_write8(data, VT1211_REG_UCH_CONFIG, data->uch_config);
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}
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/* Initialize the interrupt mode (if request at module load time).
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/*
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* Initialize the interrupt mode (if request at module load time).
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* The VT1211 implements 3 different modes for clearing interrupts:
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* 0: Clear INT when status register is read. Regenerate INT as long
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* as temp stays above hysteresis limit.
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@ -1079,7 +1123,8 @@ static void __devinit vt1211_init_device(struct vt1211_data *data)
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* 2: Clear INT when temp falls below max limit.
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*
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* The driver only allows to force mode 0 since that's the only one
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* that makes sense for 'sensors' */
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* that makes sense for 'sensors'
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*/
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if (int_mode == 0) {
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vt1211_write8(data, VT1211_REG_TEMP1_CONFIG, 0);
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vt1211_write8(data, VT1211_REG_TEMP2_CONFIG, 0);
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@ -1119,9 +1164,8 @@ static void vt1211_remove_sysfs(struct platform_device *pdev)
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device_remove_file(dev,
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&vt1211_sysfs_fan_pwm[i].dev_attr);
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}
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for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) {
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for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++)
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device_remove_file(dev, &vt1211_sysfs_misc[i]);
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}
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}
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static int __devinit vt1211_probe(struct platform_device *pdev)
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@ -1131,7 +1175,8 @@ static int __devinit vt1211_probe(struct platform_device *pdev)
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struct resource *res;
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int i, err;
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if (!(data = kzalloc(sizeof(struct vt1211_data), GFP_KERNEL))) {
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data = kzalloc(sizeof(struct vt1211_data), GFP_KERNEL);
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if (!data) {
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err = -ENOMEM;
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dev_err(dev, "Out of memory\n");
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goto EXIT;
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@ -1185,16 +1230,14 @@ static int __devinit vt1211_probe(struct platform_device *pdev)
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for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_fan_pwm); i++) {
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err = device_create_file(dev,
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&vt1211_sysfs_fan_pwm[i].dev_attr);
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if (err) {
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if (err)
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goto EXIT_DEV_REMOVE;
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}
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}
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for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) {
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err = device_create_file(dev,
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&vt1211_sysfs_misc[i]);
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if (err) {
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if (err)
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goto EXIT_DEV_REMOVE;
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}
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}
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/* Register device */
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@ -1293,9 +1336,8 @@ static int __init vt1211_find(int sio_cip, unsigned short *address)
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superio_enter(sio_cip);
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devid = force_id ? force_id : superio_inb(sio_cip, SIO_VT1211_DEVID);
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if (devid != SIO_VT1211_ID) {
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if (devid != SIO_VT1211_ID)
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goto EXIT;
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}
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superio_select(sio_cip, SIO_VT1211_LDN_HWMON);
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@ -1325,35 +1367,35 @@ static int __init vt1211_init(void)
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int err;
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unsigned short address = 0;
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if ((err = vt1211_find(SIO_REG_CIP1, &address)) &&
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(err = vt1211_find(SIO_REG_CIP2, &address))) {
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goto EXIT;
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err = vt1211_find(SIO_REG_CIP1, &address);
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if (err) {
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err = vt1211_find(SIO_REG_CIP2, &address);
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if (err)
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goto EXIT;
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}
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if ((uch_config < -1) || (uch_config > 31)) {
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err = -EINVAL;
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pr_warn("Invalid UCH configuration %d. "
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"Choose a value between 0 and 31.\n", uch_config);
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goto EXIT;
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goto EXIT;
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}
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if ((int_mode < -1) || (int_mode > 0)) {
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err = -EINVAL;
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pr_warn("Invalid interrupt mode %d. "
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"Only mode 0 is supported.\n", int_mode);
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goto EXIT;
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}
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err = platform_driver_register(&vt1211_driver);
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if (err) {
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goto EXIT;
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}
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err = platform_driver_register(&vt1211_driver);
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if (err)
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goto EXIT;
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/* Sets global pdev as a side effect */
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err = vt1211_device_add(address);
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if (err) {
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if (err)
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goto EXIT_DRV_UNREGISTER;
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}
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return 0;
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