NCT6776F can select fan input pins for fans 3 to 5 with a secondary set of
chip register bits. Check that second set of bits in addition to the first set
to detect if fans 3..5 are monitored.
Reported-by: C. Comren <ccomren@@gmail.com>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/hwmon/w83627ehf.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 0e0af04..c0ef1a3 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -1914,9 +1914,20 @@ w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data,
fan4min = 0;
fan5pin = 0;
} else if (sio_data->kind == nct6776) {
+ u8 val;
+
fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
+ /* Test secondary set of fan input select registers */
+ superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
+ val = superio_inb(sio_data->sioreg, SIO_REG_ENABLE);
+ if (!fan3pin && (val & 0x80))
+ fan3pin = true;
+ if (!fan4pin && (val & 0x40))
+ fan4pin = true;
+ if (!fan5pin && (val & 0x20))
+ fan5pin = true;
fan4min = fan4pin;
} else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
fan3pin = 1;
--
1.7.5.4
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