diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-12-28 11:23:13 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-28 11:23:13 +0300 |
| commit | 605c1a187f3ce82fbc243e2163c5ca8d1926df8e (patch) | |
| tree | c8065a8c5606a66f81dc494ce22a5baa5e0dfe7e /drivers/macintosh/therm_adt746x.c | |
| parent | 17a2a9b57a9a7d2fd8f97df951b5e63e0bd56ef5 (diff) | |
| parent | ce9277fb08e6e721482f7011ca28dcd0449b197c (diff) | |
| download | linux-605c1a187f3ce82fbc243e2163c5ca8d1926df8e.tar.xz | |
Merge branch 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
Diffstat (limited to 'drivers/macintosh/therm_adt746x.c')
| -rw-r--r-- | drivers/macintosh/therm_adt746x.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c index 556f0feaa4df..5ff47ba7f2d0 100644 --- a/drivers/macintosh/therm_adt746x.c +++ b/drivers/macintosh/therm_adt746x.c @@ -79,6 +79,7 @@ struct thermostat { u8 limits[3]; int last_speed[2]; int last_var[2]; + int pwm_inv[2]; }; static enum {ADT7460, ADT7467} therm_type; @@ -229,19 +230,23 @@ static void write_fan_speed(struct thermostat *th, int speed, int fan) if (speed >= 0) { manual = read_reg(th, MANUAL_MODE[fan]); + manual &= ~INVERT_MASK; write_reg(th, MANUAL_MODE[fan], - (manual|MANUAL_MASK) & (~INVERT_MASK)); + manual | MANUAL_MASK | th->pwm_inv[fan]); write_reg(th, FAN_SPD_SET[fan], speed); } else { /* back to automatic */ if(therm_type == ADT7460) { manual = read_reg(th, MANUAL_MODE[fan]) & (~MANUAL_MASK); - + manual &= ~INVERT_MASK; + manual |= th->pwm_inv[fan]; write_reg(th, MANUAL_MODE[fan], manual|REM_CONTROL[fan]); } else { manual = read_reg(th, MANUAL_MODE[fan]); + manual &= ~INVERT_MASK; + manual |= th->pwm_inv[fan]; write_reg(th, MANUAL_MODE[fan], manual&(~AUTO_MASK)); } } @@ -387,7 +392,7 @@ static int probe_thermostat(struct i2c_client *client, i2c_set_clientdata(client, th); th->clt = client; - rc = read_reg(th, 0); + rc = read_reg(th, CONFIG_REG); if (rc < 0) { dev_err(&client->dev, "Thermostat failed to read config!\n"); kfree(th); @@ -418,6 +423,10 @@ static int probe_thermostat(struct i2c_client *client, thermostat = th; + /* record invert bit status because fw can corrupt it after suspend */ + th->pwm_inv[0] = read_reg(th, MANUAL_MODE[0]) & INVERT_MASK; + th->pwm_inv[1] = read_reg(th, MANUAL_MODE[1]) & INVERT_MASK; + /* be sure to really write fan speed the first time */ th->last_speed[0] = -2; th->last_speed[1] = -2; |