diff options
| author | Constantine Shulyupin <const@MakeLinux.com> | 2015-07-05 01:41:31 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2015-08-09 13:44:25 -0700 |
| commit | 876420e05a0fda4801c0a0de67e9bbe9831dffee (patch) | |
| tree | dcb10a31b2d757389dac2491705e705ee8e2aa30 /drivers/hwmon | |
| parent | ea33597c6f9862d7b926bdb9c3ac25012f307dd5 (diff) | |
hwmon: (nct7802) Add pwm mode attributes
Introduced: show_pwm_mode, pwm1_mode, pwm2_mode, pwm2_mode
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/nct7802.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c index 457b0f2678a4..1c80aa48ee04 100644 --- a/drivers/hwmon/nct7802.c +++ b/drivers/hwmon/nct7802.c @@ -102,6 +102,24 @@ static ssize_t store_temp_type(struct device *dev, return err ? : count; } +static ssize_t show_pwm_mode(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct nct7802_data *data = dev_get_drvdata(dev); + unsigned int regval; + int ret; + + if (sattr->index > 1) + return sprintf(buf, "1\n"); + + ret = regmap_read(data->regmap, 0x5E, ®val); + if (ret < 0) + return ret; + + return sprintf(buf, "%u\n", !(regval & (1 << sattr->index))); +} + static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -765,6 +783,11 @@ static SENSOR_DEVICE_ATTR_2(fan3_alarm, S_IRUGO, show_alarm, NULL, 0x1a, 2); static SENSOR_DEVICE_ATTR_2(fan3_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 0x5b, 2); +/* 7.2.89 Fan Control Output Type */ +static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0); +static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, show_pwm_mode, NULL, 1); +static SENSOR_DEVICE_ATTR(pwm3_mode, S_IRUGO, show_pwm_mode, NULL, 2); + /* 7.2.91... Fan Control Output Value */ static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 0x60); static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 0x61); @@ -809,8 +832,11 @@ static struct attribute_group nct7802_fan_group = { }; static struct attribute *nct7802_pwm_attrs[] = { + &sensor_dev_attr_pwm1_mode.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm2_mode.dev_attr.attr, &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm3_mode.dev_attr.attr, &sensor_dev_attr_pwm3.dev_attr.attr, NULL }; |