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.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 3.0+
Acked-by: Jean Delvare <khali@xxxxxxxxxxxx>
---
Backport to 3.0
Upstream commit: 585c0fd8216e0c9f98e2434092af7ec0f999522d
drivers/hwmon/w83627ehf.c | 26 +++++++++++++++++++++++---
1 files changed, 23 insertions(+), 3 deletions(-)
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 6284515..359bb1e 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -2104,9 +2104,29 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
fan4min = 0;
fan5pin = 0;
} else if (sio_data->kind == nct6776) {
- fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
- fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
- fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
+ bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80;
+ u8 regval;
+
+ superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
+ regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE);
+
+ if (regval & 0x80)
+ fan3pin = gpok;
+ else
+ fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
+
+ if (regval & 0x40)
+ fan4pin = gpok;
+ else
+ fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C)
+ & 0x01);
+
+ if (regval & 0x20)
+ fan5pin = gpok;
+ else
+ fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C)
+ & 0x02);
+
fan4min = fan4pin;
} else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
fan3pin = 1;
--
1.7.5.4
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