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-rw-r--r--drivers/hwmon/nct6775.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 7859a30ce31e..ce75dd4db7eb 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -195,6 +195,8 @@ superio_exit(int ioreg)
#define NUM_FAN 6
+#define TEMP_SOURCE_VIRTUAL 0x1f
+
/* Common and NCT6775 specific data */
/* Voltage min/max registers for nr=7..14 are in bank 5 */
@@ -3940,7 +3942,7 @@ static int nct6775_probe(struct platform_device *pdev)
continue;
src = nct6775_read_value(data, data->REG_TEMP_SEL[i]) & 0x1f;
- if (!src || (mask & (1 << src)))
+ if (!src)
continue;
if (src >= data->temp_label_num ||
@@ -3952,7 +3954,16 @@ static int nct6775_probe(struct platform_device *pdev)
continue;
}
- mask |= 1 << src;
+ /*
+ * For virtual temperature sources, the 'virtual' temperature
+ * for each fan reflects a different temperature, and there
+ * are no duplicates.
+ */
+ if (src != TEMP_SOURCE_VIRTUAL) {
+ if (mask & (1 << src))
+ continue;
+ mask |= 1 << src;
+ }
/* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */
if (src <= data->temp_fixed_num) {