forked from luck/tmp_suning_uos_patched
hwmon: (adt7475) Split device update function to measure and limits
The update function reads both measurement and limit values. Those parts can be split so split them for a maintainability. Signed-off-by: Tokunori Ikegami <ikegami@allied-telesis.co.jp> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Chris Packham <chris.packham@alliedtelesis.co.nz> [groeck: Clarify description] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Tokunori Ikegami
Guenter Roeck
parent
cd6a2064db
commit
5cf943ede4
|
|
@ -194,7 +194,6 @@ struct adt7475_data {
|
|||
struct mutex lock;
|
||||
|
||||
unsigned long measure_updated;
|
||||
unsigned long limits_updated;
|
||||
char valid;
|
||||
|
||||
u8 config4;
|
||||
|
|
@ -1385,6 +1384,65 @@ static void adt7475_remove_files(struct i2c_client *client,
|
|||
sysfs_remove_group(&client->dev.kobj, &vid_attr_group);
|
||||
}
|
||||
|
||||
static void adt7475_update_limits(struct i2c_client *client)
|
||||
{
|
||||
struct adt7475_data *data = i2c_get_clientdata(client);
|
||||
int i;
|
||||
|
||||
data->config4 = adt7475_read(REG_CONFIG4);
|
||||
data->config5 = adt7475_read(REG_CONFIG5);
|
||||
|
||||
for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) {
|
||||
if (!(data->has_voltage & (1 << i)))
|
||||
continue;
|
||||
/* Adjust values so they match the input precision */
|
||||
data->voltage[MIN][i] =
|
||||
adt7475_read(VOLTAGE_MIN_REG(i)) << 2;
|
||||
data->voltage[MAX][i] =
|
||||
adt7475_read(VOLTAGE_MAX_REG(i)) << 2;
|
||||
}
|
||||
|
||||
if (data->has_voltage & (1 << 5)) {
|
||||
data->voltage[MIN][5] = adt7475_read(REG_VTT_MIN) << 2;
|
||||
data->voltage[MAX][5] = adt7475_read(REG_VTT_MAX) << 2;
|
||||
}
|
||||
|
||||
for (i = 0; i < ADT7475_TEMP_COUNT; i++) {
|
||||
/* Adjust values so they match the input precision */
|
||||
data->temp[MIN][i] =
|
||||
adt7475_read(TEMP_MIN_REG(i)) << 2;
|
||||
data->temp[MAX][i] =
|
||||
adt7475_read(TEMP_MAX_REG(i)) << 2;
|
||||
data->temp[AUTOMIN][i] =
|
||||
adt7475_read(TEMP_TMIN_REG(i)) << 2;
|
||||
data->temp[THERM][i] =
|
||||
adt7475_read(TEMP_THERM_REG(i)) << 2;
|
||||
data->temp[OFFSET][i] =
|
||||
adt7475_read(TEMP_OFFSET_REG(i));
|
||||
}
|
||||
adt7475_read_hystersis(client);
|
||||
|
||||
for (i = 0; i < ADT7475_TACH_COUNT; i++) {
|
||||
if (i == 3 && !data->has_fan4)
|
||||
continue;
|
||||
data->tach[MIN][i] =
|
||||
adt7475_read_word(client, TACH_MIN_REG(i));
|
||||
}
|
||||
|
||||
for (i = 0; i < ADT7475_PWM_COUNT; i++) {
|
||||
if (i == 1 && !data->has_pwm2)
|
||||
continue;
|
||||
data->pwm[MAX][i] = adt7475_read(PWM_MAX_REG(i));
|
||||
data->pwm[MIN][i] = adt7475_read(PWM_MIN_REG(i));
|
||||
/* Set the channel and control information */
|
||||
adt7475_read_pwm(client, i);
|
||||
}
|
||||
|
||||
data->range[0] = adt7475_read(TEMP_TRANGE_REG(0));
|
||||
data->range[1] = adt7475_read(TEMP_TRANGE_REG(1));
|
||||
data->range[2] = adt7475_read(TEMP_TRANGE_REG(2));
|
||||
}
|
||||
|
||||
static int adt7475_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
|
|
@ -1562,6 +1620,9 @@ static int adt7475_probe(struct i2c_client *client,
|
|||
(data->bypass_attn & (1 << 3)) ? " in3" : "",
|
||||
(data->bypass_attn & (1 << 4)) ? " in4" : "");
|
||||
|
||||
/* Limits and settings, should never change update more than once */
|
||||
adt7475_update_limits(client);
|
||||
|
||||
return 0;
|
||||
|
||||
eremove:
|
||||
|
|
@ -1658,123 +1719,70 @@ static void adt7475_read_pwm(struct i2c_client *client, int index)
|
|||
}
|
||||
}
|
||||
|
||||
static struct adt7475_data *adt7475_update_device(struct device *dev)
|
||||
static void adt7475_update_measure(struct device *dev)
|
||||
{
|
||||
struct i2c_client *client = to_i2c_client(dev);
|
||||
struct adt7475_data *data = i2c_get_clientdata(client);
|
||||
u16 ext;
|
||||
int i;
|
||||
|
||||
data->alarms = adt7475_read(REG_STATUS2) << 8;
|
||||
data->alarms |= adt7475_read(REG_STATUS1);
|
||||
|
||||
ext = (adt7475_read(REG_EXTEND2) << 8) |
|
||||
adt7475_read(REG_EXTEND1);
|
||||
for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) {
|
||||
if (!(data->has_voltage & (1 << i)))
|
||||
continue;
|
||||
data->voltage[INPUT][i] =
|
||||
(adt7475_read(VOLTAGE_REG(i)) << 2) |
|
||||
((ext >> (i * 2)) & 3);
|
||||
}
|
||||
|
||||
for (i = 0; i < ADT7475_TEMP_COUNT; i++)
|
||||
data->temp[INPUT][i] =
|
||||
(adt7475_read(TEMP_REG(i)) << 2) |
|
||||
((ext >> ((i + 5) * 2)) & 3);
|
||||
|
||||
if (data->has_voltage & (1 << 5)) {
|
||||
data->alarms |= adt7475_read(REG_STATUS4) << 24;
|
||||
ext = adt7475_read(REG_EXTEND3);
|
||||
data->voltage[INPUT][5] = adt7475_read(REG_VTT) << 2 |
|
||||
((ext >> 4) & 3);
|
||||
}
|
||||
|
||||
for (i = 0; i < ADT7475_TACH_COUNT; i++) {
|
||||
if (i == 3 && !data->has_fan4)
|
||||
continue;
|
||||
data->tach[INPUT][i] =
|
||||
adt7475_read_word(client, TACH_REG(i));
|
||||
}
|
||||
|
||||
/* Updated by hw when in auto mode */
|
||||
for (i = 0; i < ADT7475_PWM_COUNT; i++) {
|
||||
if (i == 1 && !data->has_pwm2)
|
||||
continue;
|
||||
data->pwm[INPUT][i] = adt7475_read(PWM_REG(i));
|
||||
}
|
||||
|
||||
if (data->has_vid)
|
||||
data->vid = adt7475_read(REG_VID) & 0x3f;
|
||||
}
|
||||
|
||||
static struct adt7475_data *adt7475_update_device(struct device *dev)
|
||||
{
|
||||
struct i2c_client *client = to_i2c_client(dev);
|
||||
struct adt7475_data *data = i2c_get_clientdata(client);
|
||||
|
||||
mutex_lock(&data->lock);
|
||||
|
||||
/* Measurement values update every 2 seconds */
|
||||
if (time_after(jiffies, data->measure_updated + HZ * 2) ||
|
||||
!data->valid) {
|
||||
data->alarms = adt7475_read(REG_STATUS2) << 8;
|
||||
data->alarms |= adt7475_read(REG_STATUS1);
|
||||
|
||||
ext = (adt7475_read(REG_EXTEND2) << 8) |
|
||||
adt7475_read(REG_EXTEND1);
|
||||
for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) {
|
||||
if (!(data->has_voltage & (1 << i)))
|
||||
continue;
|
||||
data->voltage[INPUT][i] =
|
||||
(adt7475_read(VOLTAGE_REG(i)) << 2) |
|
||||
((ext >> (i * 2)) & 3);
|
||||
}
|
||||
|
||||
for (i = 0; i < ADT7475_TEMP_COUNT; i++)
|
||||
data->temp[INPUT][i] =
|
||||
(adt7475_read(TEMP_REG(i)) << 2) |
|
||||
((ext >> ((i + 5) * 2)) & 3);
|
||||
|
||||
if (data->has_voltage & (1 << 5)) {
|
||||
data->alarms |= adt7475_read(REG_STATUS4) << 24;
|
||||
ext = adt7475_read(REG_EXTEND3);
|
||||
data->voltage[INPUT][5] = adt7475_read(REG_VTT) << 2 |
|
||||
((ext >> 4) & 3);
|
||||
}
|
||||
|
||||
for (i = 0; i < ADT7475_TACH_COUNT; i++) {
|
||||
if (i == 3 && !data->has_fan4)
|
||||
continue;
|
||||
data->tach[INPUT][i] =
|
||||
adt7475_read_word(client, TACH_REG(i));
|
||||
}
|
||||
|
||||
/* Updated by hw when in auto mode */
|
||||
for (i = 0; i < ADT7475_PWM_COUNT; i++) {
|
||||
if (i == 1 && !data->has_pwm2)
|
||||
continue;
|
||||
data->pwm[INPUT][i] = adt7475_read(PWM_REG(i));
|
||||
}
|
||||
|
||||
if (data->has_vid)
|
||||
data->vid = adt7475_read(REG_VID) & 0x3f;
|
||||
|
||||
adt7475_update_measure(dev);
|
||||
data->measure_updated = jiffies;
|
||||
}
|
||||
|
||||
/* Limits and settings, should never change update every 60 seconds */
|
||||
if (time_after(jiffies, data->limits_updated + HZ * 60) ||
|
||||
!data->valid) {
|
||||
data->config4 = adt7475_read(REG_CONFIG4);
|
||||
data->config5 = adt7475_read(REG_CONFIG5);
|
||||
|
||||
for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) {
|
||||
if (!(data->has_voltage & (1 << i)))
|
||||
continue;
|
||||
/* Adjust values so they match the input precision */
|
||||
data->voltage[MIN][i] =
|
||||
adt7475_read(VOLTAGE_MIN_REG(i)) << 2;
|
||||
data->voltage[MAX][i] =
|
||||
adt7475_read(VOLTAGE_MAX_REG(i)) << 2;
|
||||
}
|
||||
|
||||
if (data->has_voltage & (1 << 5)) {
|
||||
data->voltage[MIN][5] = adt7475_read(REG_VTT_MIN) << 2;
|
||||
data->voltage[MAX][5] = adt7475_read(REG_VTT_MAX) << 2;
|
||||
}
|
||||
|
||||
for (i = 0; i < ADT7475_TEMP_COUNT; i++) {
|
||||
/* Adjust values so they match the input precision */
|
||||
data->temp[MIN][i] =
|
||||
adt7475_read(TEMP_MIN_REG(i)) << 2;
|
||||
data->temp[MAX][i] =
|
||||
adt7475_read(TEMP_MAX_REG(i)) << 2;
|
||||
data->temp[AUTOMIN][i] =
|
||||
adt7475_read(TEMP_TMIN_REG(i)) << 2;
|
||||
data->temp[THERM][i] =
|
||||
adt7475_read(TEMP_THERM_REG(i)) << 2;
|
||||
data->temp[OFFSET][i] =
|
||||
adt7475_read(TEMP_OFFSET_REG(i));
|
||||
}
|
||||
adt7475_read_hystersis(client);
|
||||
|
||||
for (i = 0; i < ADT7475_TACH_COUNT; i++) {
|
||||
if (i == 3 && !data->has_fan4)
|
||||
continue;
|
||||
data->tach[MIN][i] =
|
||||
adt7475_read_word(client, TACH_MIN_REG(i));
|
||||
}
|
||||
|
||||
for (i = 0; i < ADT7475_PWM_COUNT; i++) {
|
||||
if (i == 1 && !data->has_pwm2)
|
||||
continue;
|
||||
data->pwm[MAX][i] = adt7475_read(PWM_MAX_REG(i));
|
||||
data->pwm[MIN][i] = adt7475_read(PWM_MIN_REG(i));
|
||||
/* Set the channel and control information */
|
||||
adt7475_read_pwm(client, i);
|
||||
}
|
||||
|
||||
data->range[0] = adt7475_read(TEMP_TRANGE_REG(0));
|
||||
data->range[1] = adt7475_read(TEMP_TRANGE_REG(1));
|
||||
data->range[2] = adt7475_read(TEMP_TRANGE_REG(2));
|
||||
|
||||
data->limits_updated = jiffies;
|
||||
data->valid = 1;
|
||||
}
|
||||
|
||||
mutex_unlock(&data->lock);
|
||||
|
||||
return data;
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user