diff options
| author | Hans de Goede <j.w.r.degoede@hhs.nl> | 2007-06-18 22:59:34 +0200 |
|---|---|---|
| committer | Mark M. Hoffman <mhoffman@lightlink.com> | 2007-07-19 14:22:15 -0400 |
| commit | e432dc811bfb6b3d3ad618d99bd8d58132fec316 (patch) | |
| tree | 31b0adef55a1cd1f7cd00457eacdb69711c2ca69 /drivers/hwmon/abituguru.c | |
| parent | 2dbbdb35746fdc1a3c3bc5b07f197a90e53b059e (diff) | |
| download | lwn-e432dc811bfb6b3d3ad618d99bd8d58132fec316.tar.gz lwn-e432dc811bfb6b3d3ad618d99bd8d58132fec316.zip | |
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: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Diffstat (limited to 'drivers/hwmon/abituguru.c')
| -rw-r--r-- | drivers/hwmon/abituguru.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c index 11a40da13535..0770688f79b6 100644 --- a/drivers/hwmon/abituguru.c +++ b/drivers/hwmon/abituguru.c @@ -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. */ - buf[0] = ABIT_UGURU_VOLT_LOW_ALARM_ENABLE; - buf[1] = 245; - buf[2] = 250; + 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"); |