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fix offset register access

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Signed-off-by: Guenter <groeck@groeck-desktop.(none)>
This commit is contained in:
Guenter
2012-10-27 17:00:10 -07:00
parent 7d360dbca0
commit 3889978da8
1 changed files with 10 additions and 4 deletions
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14
it87.c
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@@ -205,6 +205,8 @@ static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82 };
static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86 };
static const u8 IT87_REG_FANX[] = { 0x18, 0x19, 0x1a, 0x81, 0x83 };
static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87 };
static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 };
#define IT87_REG_FAN_MAIN_CTRL 0x13
#define IT87_REG_FAN_CTL 0x14
#define IT87_REG_PWM(nr) (0x15 + (nr))
@@ -218,8 +220,6 @@ static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87 };
#define IT87_REG_TEMP_HIGH(nr) (0x40 + (nr) * 2)
#define IT87_REG_TEMP_LOW(nr) (0x41 + (nr) * 2)
#define IT87_REG_TEMP_OFFSET(nr) (0x55 + (1 << ((nr) - 1)))
#define IT87_REG_VIN_ENABLE 0x50
#define IT87_REG_TEMP_ENABLE 0x51
#define IT87_REG_TEMP_EXTRA 0x55
@@ -539,16 +539,22 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
int index = sattr->index;
struct it87_data *data = dev_get_drvdata(dev);
long val;
u8 reg;
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
mutex_lock(&data->update_lock);
data->temp[nr][index] = TEMP_TO_REG(val);
if (index == 3) {
reg = it87_read_value(data, IT87_REG_BEEP_ENABLE);
reg |= 0x80;
it87_write_value(data, IT87_REG_BEEP_ENABLE, reg);
}
it87_write_value(data,
index == 1 ? IT87_REG_TEMP_LOW(nr)
: index == 2 ? IT87_REG_TEMP_HIGH(nr)
: IT87_REG_TEMP_OFFSET(nr),
: IT87_REG_TEMP_OFFSET[nr],
data->temp[nr][index]);
data->valid = 0;
mutex_unlock(&data->update_lock);
@@ -2357,7 +2363,7 @@ static struct it87_data *it87_update_device(struct device *dev)
data->temp[i][2] =
it87_read_value(data, IT87_REG_TEMP_HIGH(i));
data->temp[i][3] =
it87_read_value(data, IT87_REG_TEMP_OFFSET(i));
it87_read_value(data, IT87_REG_TEMP_OFFSET[i]);
}
/* Newer chips don't have clock dividers */