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Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6

Browse Source 
* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6:
  hwmon: (adt7473) minor cleanup / refactoring
  hwmon: (asb100) Remove some dead code
  hwmon: (lm75) Fix an incorrect comment
  hwmon: (w83793) VID and VRM handling cleanups
  hwmon: (w83l785ts) Don't ask the user to report failures
  hwmon: (smsc47b397) add a new chip id (0x8c)
This commit is contained in:
Linus Torvalds 2008-05-01 08:28:26 -07:00
commit c92758ceda
7 changed files with 56 additions and 48 deletions
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3
Documentation/hwmon/w83l785ts
View File

@ -33,7 +33,8 @@ Known Issues
------------
On some systems (Asus), the BIOS is known to interfere with the driver
and cause read errors. The driver will retry a given number of times
and cause read errors. Or maybe the W83L785TS-S chip is simply unreliable,
we don't really know. The driver will retry a given number of times
(5 by default) and then give up, returning the old value (or 0 if
there is no old value). It seems to work well enough so that you should
not notice anything. Thanks to James Bolt for helping test this feature.

45
drivers/hwmon/adt7473.c
View File

@ -422,18 +422,14 @@ static ssize_t show_volt(struct device *dev, struct device_attribute *devattr,
* number in the range -128 to 127, or as an unsigned number that must
* be offset by 64.
*/
static int decode_temp(struct adt7473_data *data, u8 raw)
static int decode_temp(u8 twos_complement, u8 raw)
{
if (data->temp_twos_complement)
return (s8)raw;
return raw - 64;
return twos_complement ? (s8)raw : raw - 64;
}
static u8 encode_temp(struct adt7473_data *data, int cooked)
static u8 encode_temp(u8 twos_complement, int cooked)
{
if (data->temp_twos_complement)
return (cooked & 0xFF);
return cooked + 64;
return twos_complement ? cooked & 0xFF : cooked + 64;
}
static ssize_t show_temp_min(struct device *dev,
@ -442,8 +438,9 @@ static ssize_t show_temp_min(struct device *dev,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adt7473_data *data = adt7473_update_device(dev);
return sprintf(buf, "%d\n",
1000 * decode_temp(data, data->temp_min[attr->index]));
return sprintf(buf, "%d\n", 1000 * decode_temp(
data->temp_twos_complement,
data->temp_min[attr->index]));
}
static ssize_t set_temp_min(struct device *dev,
@ -455,7 +452,7 @@ static ssize_t set_temp_min(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct adt7473_data *data = i2c_get_clientdata(client);
int temp = simple_strtol(buf, NULL, 10) / 1000;
temp = encode_temp(data, temp);
temp = encode_temp(data->temp_twos_complement, temp);
mutex_lock(&data->lock);
data->temp_min[attr->index] = temp;
@ -472,8 +469,9 @@ static ssize_t show_temp_max(struct device *dev,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adt7473_data *data = adt7473_update_device(dev);
return sprintf(buf, "%d\n",
1000 * decode_temp(data, data->temp_max[attr->index]));
return sprintf(buf, "%d\n", 1000 * decode_temp(
data->temp_twos_complement,
data->temp_max[attr->index]));
}
static ssize_t set_temp_max(struct device *dev,
@ -485,7 +483,7 @@ static ssize_t set_temp_max(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct adt7473_data *data = i2c_get_clientdata(client);
int temp = simple_strtol(buf, NULL, 10) / 1000;
temp = encode_temp(data, temp);
temp = encode_temp(data->temp_twos_complement, temp);
mutex_lock(&data->lock);
data->temp_max[attr->index] = temp;
@ -501,8 +499,9 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adt7473_data *data = adt7473_update_device(dev);
return sprintf(buf, "%d\n",
1000 * decode_temp(data, data->temp[attr->index]));
return sprintf(buf, "%d\n", 1000 * decode_temp(
data->temp_twos_complement,
data->temp[attr->index]));
}
static ssize_t show_fan_min(struct device *dev,
@ -671,8 +670,9 @@ static ssize_t show_temp_tmax(struct device *dev,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adt7473_data *data = adt7473_update_device(dev);
return sprintf(buf, "%d\n",
1000 * decode_temp(data, data->temp_tmax[attr->index]));
return sprintf(buf, "%d\n", 1000 * decode_temp(
data->temp_twos_complement,
data->temp_tmax[attr->index]));
}
static ssize_t set_temp_tmax(struct device *dev,
@ -684,7 +684,7 @@ static ssize_t set_temp_tmax(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct adt7473_data *data = i2c_get_clientdata(client);
int temp = simple_strtol(buf, NULL, 10) / 1000;
temp = encode_temp(data, temp);
temp = encode_temp(data->temp_twos_complement, temp);
mutex_lock(&data->lock);
data->temp_tmax[attr->index] = temp;
@ -701,8 +701,9 @@ static ssize_t show_temp_tmin(struct device *dev,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adt7473_data *data = adt7473_update_device(dev);
return sprintf(buf, "%d\n",
1000 * decode_temp(data, data->temp_tmin[attr->index]));
return sprintf(buf, "%d\n", 1000 * decode_temp(
data->temp_twos_complement,
data->temp_tmin[attr->index]));
}
static ssize_t set_temp_tmin(struct device *dev,
@ -714,7 +715,7 @@ static ssize_t set_temp_tmin(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct adt7473_data *data = i2c_get_clientdata(client);
int temp = simple_strtol(buf, NULL, 10) / 1000;
temp = encode_temp(data, temp);
temp = encode_temp(data->temp_twos_complement, temp);
mutex_lock(&data->lock);
data->temp_tmin[attr->index] = temp;

4
drivers/hwmon/asb100.c
View File

@ -953,12 +953,8 @@ static void asb100_write_value(struct i2c_client *client, u16 reg, u16 value)
static void asb100_init_client(struct i2c_client *client)
{
struct asb100_data *data = i2c_get_clientdata(client);
int vid = 0;
vid = asb100_read_value(client, ASB100_REG_VID_FANDIV) & 0x0f;
vid |= (asb100_read_value(client, ASB100_REG_CHIPID) & 0x01) << 4;
data->vrm = vid_which_vrm();
vid = vid_from_reg(vid, data->vrm);
/* Start monitoring */
asb100_write_value(client, ASB100_REG_CONFIG,

5
drivers/hwmon/lm75.c
View File

@ -248,7 +248,7 @@ static int lm75_detach_client(struct i2c_client *client)
/* All registers are word-sized, except for the configuration register.
LM75 uses a high-byte first convention, which is exactly opposite to
the usual practice. */
the SMBus standard. */
static int lm75_read_value(struct i2c_client *client, u8 reg)
{
if (reg == LM75_REG_CONF)
@ -257,9 +257,6 @@ static int lm75_read_value(struct i2c_client *client, u8 reg)
return swab16(i2c_smbus_read_word_data(client, reg));
}
/* All registers are word-sized, except for the configuration register.
LM75 uses a high-byte first convention, which is exactly opposite to
the usual practice. */
static int lm75_write_value(struct i2c_client *client, u8 reg, u16 value)
{
if (reg == LM75_REG_CONF)

17
drivers/hwmon/smsc47b397.c
View File

@ -335,11 +335,23 @@ static int __init smsc47b397_device_add(unsigned short address)
static int __init smsc47b397_find(unsigned short *addr)
{
u8 id, rev;
char *name;
superio_enter();
id = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
if ((id != 0x6f) && (id != 0x81) && (id != 0x85)) {
switch(id) {
case 0x81:
name = "SCH5307-NS";
break;
case 0x6f:
name = "LPC47B397-NC";
break;
case 0x85:
case 0x8c:
name = "SCH5317";
break;
default:
superio_exit();
return -ENODEV;
}
@ -352,8 +364,7 @@ static int __init smsc47b397_find(unsigned short *addr)
printk(KERN_INFO DRVNAME ": found SMSC %s "
"(base address 0x%04x, revision %u)\n",
id == 0x81 ? "SCH5307-NS" : id == 0x85 ? "SCH5317" :
"LPC47B397-NC", *addr, rev);
name, *addr, rev);
superio_exit();
return 0;

26
drivers/hwmon/w83793.c
View File

@ -1024,10 +1024,9 @@ static struct sensor_device_attribute_2 w83793_vid[] = {
SENSOR_ATTR_2(cpu0_vid, S_IRUGO, show_vid, NULL, NOT_USED, 0),
SENSOR_ATTR_2(cpu1_vid, S_IRUGO, show_vid, NULL, NOT_USED, 1),
};
static DEVICE_ATTR(vrm, S_IWUSR | S_IRUGO, show_vrm, store_vrm);
static struct sensor_device_attribute_2 sda_single_files[] = {
SENSOR_ATTR_2(vrm, S_IWUSR | S_IRUGO, show_vrm, store_vrm,
NOT_USED, NOT_USED),
SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep,
store_chassis_clear, ALARM_STATUS, 30),
SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_beep_enable,
@ -1080,6 +1079,7 @@ static int w83793_detach_client(struct i2c_client *client)
for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
device_remove_file(dev, &w83793_vid[i].dev_attr);
device_remove_file(dev, &dev_attr_vrm);
for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
device_remove_file(dev, &w83793_left_fan[i].dev_attr);
@ -1282,7 +1282,6 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
/* Initialize the chip */
w83793_init_client(client);
data->vrm = vid_which_vrm();
/*
Only fan 1-5 has their own input pins,
Pwm 1-3 has their own pins
@ -1293,7 +1292,9 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
val = w83793_read_value(client, W83793_REG_FANIN_CTRL);
/* check the function of pins 49-56 */
if (!(tmp & 0x80)) {
if (tmp & 0x80) {
data->has_vid |= 0x2; /* has VIDB */
} else {
data->has_pwm |= 0x18; /* pwm 4,5 */
if (val & 0x01) { /* fan 6 */
data->has_fan |= 0x20;
@ -1309,13 +1310,15 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
}
}
/* check the function of pins 37-40 */
if (!(tmp & 0x29))
data->has_vid |= 0x1; /* has VIDA */
if (0x08 == (tmp & 0x0c)) {
if (val & 0x08) /* fan 9 */
data->has_fan |= 0x100;
if (val & 0x10) /* fan 10 */
data->has_fan |= 0x200;
}
if (0x20 == (tmp & 0x30)) {
if (val & 0x20) /* fan 11 */
data->has_fan |= 0x400;
@ -1359,13 +1362,6 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
if (tmp & 0x02)
data->has_temp |= 0x20;
/* Detect the VID usage and ignore unused input */
tmp = w83793_read_value(client, W83793_REG_MFC);
if (!(tmp & 0x29))
data->has_vid |= 0x1; /* has VIDA */
if (tmp & 0x80)
data->has_vid |= 0x2; /* has VIDB */
/* Register sysfs hooks */
for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) {
err = device_create_file(dev,
@ -1381,6 +1377,12 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
if (err)
goto exit_remove;
}
if (data->has_vid) {
data->vrm = vid_which_vrm();
err = device_create_file(dev, &dev_attr_vrm);
if (err)
goto exit_remove;
}
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) {
err = device_create_file(dev, &sda_single_files[i].dev_attr);

4
drivers/hwmon/w83l785ts.c
View File

@ -301,8 +301,8 @@ static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval)
msleep(i);
}
dev_err(&client->dev, "Couldn't read value from register 0x%02x. "
"Please report.\n", reg);
dev_err(&client->dev, "Couldn't read value from register 0x%02x.\n",
reg);
return defval;
}