Commit e432dc81 authored by Hans de Goede's avatar Hans de Goede Committed by Mark M. Hoffman
Browse files

hwmon: fix detection of abituguru volt inputs 



This patch fixes the detection of volt inputs with a reading of more then 240
units.

Signed-off-by: default avatarHans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: default avatarMark M. Hoffman <mhoffman@lightlink.com>
parent 2dbbdb35

drivers/hwmon/abituguru.c

+18 −8
Original line number Diff line number Diff line
@@ -418,7 +418,7 @@ static int __devinit 
abituguru_detect_bank1_sensor_type(struct abituguru_data *data,

				   u8 sensor_addr)

{

	u8 val, buf[3];

	u8 val, test_flag, buf[3];

	int i, ret = -ENODEV; /* error is the most common used retval :| */



	/* If overriden by the user return the user selected type */
@@ -436,7 +436,7 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data, 
		return -ENODEV;



	/* Test val is sane / usable for sensor type detection. */

	if ((val < 10u) || (val > 240u)) {

	if ((val < 10u) || (val > 250u)) {

		printk(KERN_WARNING ABIT_UGURU_NAME

			": bank1-sensor: %d reading (%d) too close to limits, "

			"unable to determine sensor type, skipping sensor\n",
@@ -449,10 +449,20 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data, 


	ABIT_UGURU_DEBUG(2, "testing bank1 sensor %d\n", (int)sensor_addr);

	/* Volt sensor test, enable volt low alarm, set min value ridicously

	   high. If its a volt sensor this should always give us an alarm. */

	   high, or vica versa if the reading is very high. If its a volt

	   sensor this should always give us an alarm. */

	if (val <= 240u) {

		buf[0] = ABIT_UGURU_VOLT_LOW_ALARM_ENABLE;

		buf[1] = 245;

		buf[2] = 250;

		test_flag = ABIT_UGURU_VOLT_LOW_ALARM_FLAG;

	} else {

		buf[0] = ABIT_UGURU_VOLT_HIGH_ALARM_ENABLE;

		buf[1] = 5;

		buf[2] = 10;

		test_flag = ABIT_UGURU_VOLT_HIGH_ALARM_FLAG;

	}



	if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2, sensor_addr,

			buf, 3) != 3)

		goto abituguru_detect_bank1_sensor_type_exit;
@@ -469,13 +479,13 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data, 
				sensor_addr, buf, 3,

				ABIT_UGURU_MAX_RETRIES) != 3)

			goto abituguru_detect_bank1_sensor_type_exit;

		if (buf[0] & ABIT_UGURU_VOLT_LOW_ALARM_FLAG) {

		if (buf[0] & test_flag) {

			ABIT_UGURU_DEBUG(2, "  found volt sensor\n");

			ret = ABIT_UGURU_IN_SENSOR;

			goto abituguru_detect_bank1_sensor_type_exit;

		} else

			ABIT_UGURU_DEBUG(2, "  alarm raised during volt "

				"sensor test, but volt low flag not set\n");

				"sensor test, but volt range flag not set\n");

	} else

		ABIT_UGURU_DEBUG(2, "  alarm not raised during volt sensor "

			"test\n");