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| author | Guenter Roeck <linux@roeck-us.net> | 2012-01-27 05:43:59 -0800 |
|---|---|---|
| committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2012-02-04 18:08:23 -0800 |
| commit | 585c0fd8216e0c9f98e2434092af7ec0f999522d (patch) | |
| tree | 77da351a59212e1752aee600c0db0017bc3da79f /drivers/hwmon | |
| parent | 62aa2b537c6f5957afd98e29f96897419ed5ebab (diff) | |
| download | linux-stable-585c0fd8216e0c9f98e2434092af7ec0f999522d.tar.gz linux-stable-585c0fd8216e0c9f98e2434092af7ec0f999522d.tar.bz2 linux-stable-585c0fd8216e0c9f98e2434092af7ec0f999522d.zip | |
hwmon: (w83627ehf) Fix number of fans for NCT6776F
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@roeck-us.net>
Cc: stable@vger.kernel.org # 3.0+
Acked-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/w83627ehf.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 2dfae7d7cc5b..4d383e7e051d 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -1920,9 +1920,26 @@ w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data, 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; + + 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; |