diff options
| author | Dave Airlie <airlied@redhat.com> | 2011-01-05 08:31:08 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-01-05 08:31:08 +1000 |
| commit | 4f125010d2d02c481a0fdf5aee23a9f937bc5de1 (patch) | |
| tree | dcdcd2ba1d0bb980b57ced9a1b2b5b17c84c8f57 /drivers/hwmon/adm1026.c | |
| parent | 204663c48711ddceee09df46269cd34d49d1f7be (diff) | |
| parent | 989d873fc5b6a96695b97738dea8d9f02a60f8ab (diff) | |
| download | op-kernel-dev-4f125010d2d02c481a0fdf5aee23a9f937bc5de1.zip op-kernel-dev-4f125010d2d02c481a0fdf5aee23a9f937bc5de1.tar.gz | |
Merge branch 'master' of /home/airlied/kernel/linux-2.6 into drm-core-next
Diffstat (limited to 'drivers/hwmon/adm1026.c')
| -rw-r--r-- | drivers/hwmon/adm1026.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index 4bf969c..be0fdd5 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -916,27 +916,27 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val, orig_div, new_div, shift; + int val, orig_div, new_div; val = simple_strtol(buf, NULL, 10); new_div = DIV_TO_REG(val); - if (new_div == 0) { - return -EINVAL; - } + mutex_lock(&data->update_lock); orig_div = data->fan_div[nr]; data->fan_div[nr] = DIV_FROM_REG(new_div); if (nr < 4) { /* 0 <= nr < 4 */ - shift = 2 * nr; adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3, - ((DIV_TO_REG(orig_div) & (~(0x03 << shift))) | - (new_div << shift))); + (DIV_TO_REG(data->fan_div[0]) << 0) | + (DIV_TO_REG(data->fan_div[1]) << 2) | + (DIV_TO_REG(data->fan_div[2]) << 4) | + (DIV_TO_REG(data->fan_div[3]) << 6)); } else { /* 3 < nr < 8 */ - shift = 2 * (nr - 4); adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7, - ((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) | - (new_div << shift))); + (DIV_TO_REG(data->fan_div[4]) << 0) | + (DIV_TO_REG(data->fan_div[5]) << 2) | + (DIV_TO_REG(data->fan_div[6]) << 4) | + (DIV_TO_REG(data->fan_div[7]) << 6)); } if (data->fan_div[nr] != orig_div) { |
