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authorBrian Carnes <bmcarnes@gmail.com>2013-12-12 08:05:32 +0100
committerJean Delvare <khali@endymion.delvare>2013-12-12 08:05:32 +0100
commitcf7559bc053471f32373d71d04a9aa19e0b48d59 (patch)
tree6bec0dc9466ff39f33d0b98d3cc3a9fa677a07ae /drivers/hwmon
parent3d489ac07ed85c4908d864abb77ab1e6f94e0e4b (diff)
hwmon: (w83l786ng) Fix fan speed control mode setting and reporting
The wrong mask is used, which causes some fan speed control modes (pwmX_enable) to be incorrectly reported, and some modes to be impossible to set. [JD: add subject and description.] Signed-off-by: Brian Carnes <bmcarnes@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/w83l786ng.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
index edb06cda5a68..f190219fa84d 100644
--- a/drivers/hwmon/w83l786ng.c
+++ b/drivers/hwmon/w83l786ng.c
@@ -510,7 +510,7 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
mutex_lock(&data->update_lock);
reg = w83l786ng_read_value(client, W83L786NG_REG_FAN_CFG);
data->pwm_enable[nr] = val;
- reg &= ~(0x02 << W83L786NG_PWM_ENABLE_SHIFT[nr]);
+ reg &= ~(0x03 << W83L786NG_PWM_ENABLE_SHIFT[nr]);
reg |= (val - 1) << W83L786NG_PWM_ENABLE_SHIFT[nr];
w83l786ng_write_value(client, W83L786NG_REG_FAN_CFG, reg);
mutex_unlock(&data->update_lock);
@@ -776,7 +776,7 @@ static struct w83l786ng_data *w83l786ng_update_device(struct device *dev)
((pwmcfg >> W83L786NG_PWM_MODE_SHIFT[i]) & 1)
? 0 : 1;
data->pwm_enable[i] =
- ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 2) + 1;
+ ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 3) + 1;
data->pwm[i] = w83l786ng_read_value(client,
W83L786NG_REG_PWM[i]);
}