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[PATCH] hwmon: Fix for first generation Abit uGuru chips 

Now that the abituguru driver is seeing some more widespread testing
it has turned out that one the first generation of Abit uGuru
motherboards, with uGuru revision 1, the autodetect bank1 sensor type
code doesn't (always) work. This patch adds a module param to override
the autodetect, and it adds validity checks for the value of the 2
other autodetection override module params. An example of howto use
the new param can be found here:
http://lm-sensors.org/wiki/Configurations/Abit/AN7

Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Hans de Goede 2006-07-05 18:07:49 +02:00 committed by Greg Kroah-Hartman
parent 1392707977
commit 9b2ad12982
1 changed files with 19 additions and 2 deletions
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21
drivers/hwmon/abituguru.c
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@ -142,6 +142,14 @@ static const u8 abituguru_pwm_max[5] = { 0, 255, 255, 75, 75 };
static int force;
module_param(force, bool, 0);
MODULE_PARM_DESC(force, "Set to one to force detection.");
static int bank1_types[ABIT_UGURU_MAX_BANK1_SENSORS] = { -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 };
module_param_array(bank1_types, int, NULL, 0);
MODULE_PARM_DESC(bank1_types, "Bank1 sensortype autodetection override:\n"
" -1 autodetect\n"
" 0 volt sensor\n"
" 1 temp sensor\n"
" 2 not connected");
static int fan_sensors;
module_param(fan_sensors, int, 0);
MODULE_PARM_DESC(fan_sensors, "Number of fan sensors on the uGuru "
@ -397,6 +405,15 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
u8 val, buf[3];
int ret = ABIT_UGURU_NC;
/* If overriden by the user return the user selected type */
if (bank1_types[sensor_addr] >= ABIT_UGURU_IN_SENSOR &&
bank1_types[sensor_addr] <= ABIT_UGURU_NC) {
ABIT_UGURU_DEBUG(2, "assuming sensor type %d for bank1 sensor "
"%d because of \"bank1_types\" module param\n",
bank1_types[sensor_addr], (int)sensor_addr);
return bank1_types[sensor_addr];
}
/* First read the sensor and the current settings */
if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK1, sensor_addr, &val,
1, ABIT_UGURU_MAX_RETRIES) != 1)
@ -514,7 +531,7 @@ abituguru_detect_no_bank2_sensors(struct abituguru_data *data)
{
int i;
if (fan_sensors) {
if (fan_sensors > 0 && fan_sensors <= ABIT_UGURU_MAX_BANK2_SENSORS) {
data->bank2_sensors = fan_sensors;
ABIT_UGURU_DEBUG(2, "assuming %d fan sensors because of "
"\"fan_sensors\" module param\n",
@ -568,7 +585,7 @@ abituguru_detect_no_pwms(struct abituguru_data *data)
{
int i, j;
if (pwms) {
if (pwms > 0 && pwms <= ABIT_UGURU_MAX_PWMS) {
data->pwms = pwms;
ABIT_UGURU_DEBUG(2, "assuming %d PWM outputs because of "
"\"pwms\" module param\n", (int)data->pwms);