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Merge tag 'hwmon-fixes-for-3.3-rc3' of git://git.kernel.org/pub/scm/l…
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…inux/kernel/git/groeck/linux-staging

One patch to fix fan detection on NCT6776F.

* tag 'hwmon-fixes-for-3.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (w83627ehf) Fix number of fans for NCT6776F
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Linus Torvalds committed Feb 6, 2012
2 parents 96e02d1 + 585c0fd commit 105e518
Showing 1 changed file with 20 additions and 3 deletions.
23 changes: 20 additions & 3 deletions drivers/hwmon/w83627ehf.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
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