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-rw-r--r--drivers/platform/x86/oxpec.c37
1 files changed, 33 insertions, 4 deletions
diff --git a/drivers/platform/x86/oxpec.c b/drivers/platform/x86/oxpec.c
index 918a553bd896..45dfe0a7578b 100644
--- a/drivers/platform/x86/oxpec.c
+++ b/drivers/platform/x86/oxpec.c
@@ -732,7 +732,27 @@ static int oxp_platform_read(struct device *dev, enum hwmon_sensor_types type,
case hwmon_pwm_input:
return oxp_pwm_input_read(val);
case hwmon_pwm_enable:
- return oxp_pwm_read(val);
+ ret = oxp_pwm_read(val);
+ if (ret)
+ return ret;
+
+ /* Check for auto and return 2 */
+ if (!*val) {
+ *val = 2;
+ return 0;
+ }
+
+ /* Return 0 if at full fan speed, 1 otherwise */
+ ret = oxp_pwm_fan_speed(val);
+ if (ret)
+ return ret;
+
+ if (*val == 255)
+ *val = 0;
+ else
+ *val = 1;
+
+ return 0;
default:
break;
}
@@ -746,15 +766,24 @@ static int oxp_platform_read(struct device *dev, enum hwmon_sensor_types type,
static int oxp_platform_write(struct device *dev, enum hwmon_sensor_types type,
u32 attr, int channel, long val)
{
+ int ret;
+
switch (type) {
case hwmon_pwm:
switch (attr) {
case hwmon_pwm_enable:
if (val == 1)
return oxp_pwm_enable();
- else if (val == 0)
+ else if (val == 2)
return oxp_pwm_disable();
- return -EINVAL;
+ else if (val != 0)
+ return -EINVAL;
+
+ /* Enable PWM and set to max speed */
+ ret = oxp_pwm_enable();
+ if (ret)
+ return ret;
+ return oxp_pwm_input_write(255);
case hwmon_pwm_input:
return oxp_pwm_input_write(val);
default:
@@ -819,7 +848,7 @@ static int oxp_platform_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct device *hwdev;
- hwdev = devm_hwmon_device_register_with_info(dev, "oxpec", NULL,
+ hwdev = devm_hwmon_device_register_with_info(dev, "oxp_ec", NULL,
&oxp_ec_chip_info, NULL);
return PTR_ERR_OR_ZERO(hwdev);