Detect presense of sensor by calling type function instead trying to read temperature value. Type function is working also for sensors which are temporary turned off (e.g on GPU which is turned off). Dell DOS binary NBSVC.MDM is doing similar checks, so we should do that too.
Signed-off-by: Pali Rohár <pali.ro...@gmail.com> --- drivers/char/i8k.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c index 4be72a4..7b56ede 100644 --- a/drivers/char/i8k.c +++ b/drivers/char/i8k.c @@ -660,19 +660,19 @@ static int __init i8k_init_hwmon(void) i8k_hwmon_flags = 0; - /* CPU temperature attributes, if temperature reading is OK */ - err = i8k_get_temp(0); - if (err >= 0 || err == -ERANGE) + /* CPU temperature attributes, if temperature type is OK */ + err = i8k_get_temp_type(0); + if (err >= 0) i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP1; /* check for additional temperature sensors */ - err = i8k_get_temp(1); - if (err >= 0 || err == -ERANGE) + err = i8k_get_temp_type(1); + if (err >= 0) i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP2; - err = i8k_get_temp(2); - if (err >= 0 || err == -ERANGE) + err = i8k_get_temp_type(2); + if (err >= 0) i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP3; - err = i8k_get_temp(3); - if (err >= 0 || err == -ERANGE) + err = i8k_get_temp_type(3); + if (err >= 0) i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP4; /* Left fan attributes, if left fan is present */ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/