diff options
Diffstat (limited to 'drivers/hwmon/f71805f.c')
| -rw-r--r-- | drivers/hwmon/f71805f.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c index de17a72149d9..dfca856854c3 100644 --- a/drivers/hwmon/f71805f.c +++ b/drivers/hwmon/f71805f.c @@ -122,6 +122,9 @@ superio_exit(int base) /* status nr from 0 to 2 */ #define F71805F_REG_STATUS(nr) (0x36 + (nr)) +/* individual register bits */ +#define FAN_CTRL_SKIP 0x80 + /* * Data structures and manipulation thereof */ @@ -143,7 +146,7 @@ struct f71805f_data { u8 in_low[9]; u16 fan[3]; u16 fan_low[3]; - u8 fan_enabled; /* Read once at init time */ + u8 fan_ctrl[3]; u8 temp[3]; u8 temp_high[3]; u8 temp_hyst[3]; @@ -281,9 +284,10 @@ static struct f71805f_data *f71805f_update_device(struct device *dev) F71805F_REG_IN_LOW(nr)); } for (nr = 0; nr < 3; nr++) { - if (data->fan_enabled & (1 << nr)) - data->fan_low[nr] = f71805f_read16(data, - F71805F_REG_FAN_LOW(nr)); + if (data->fan_ctrl[nr] & FAN_CTRL_SKIP) + continue; + data->fan_low[nr] = f71805f_read16(data, + F71805F_REG_FAN_LOW(nr)); } for (nr = 0; nr < 3; nr++) { data->temp_high[nr] = f71805f_read8(data, @@ -304,9 +308,10 @@ static struct f71805f_data *f71805f_update_device(struct device *dev) F71805F_REG_IN(nr)); } for (nr = 0; nr < 3; nr++) { - if (data->fan_enabled & (1 << nr)) - data->fan[nr] = f71805f_read16(data, - F71805F_REG_FAN(nr)); + if (data->fan_ctrl[nr] & FAN_CTRL_SKIP) + continue; + data->fan[nr] = f71805f_read16(data, + F71805F_REG_FAN(nr)); } for (nr = 0; nr < 3; nr++) { data->temp[nr] = f71805f_read8(data, @@ -798,9 +803,8 @@ static void __devinit f71805f_init_device(struct f71805f_data *data) /* Fan monitoring can be disabled. If it is, we won't be polling the register values, and won't create the related sysfs files. */ for (i = 0; i < 3; i++) { - reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(i)); - if (!(reg & 0x80)) - data->fan_enabled |= (1 << i); + data->fan_ctrl[i] = f71805f_read8(data, + F71805F_REG_FAN_CTRL(i)); } } @@ -831,7 +835,7 @@ static int __devinit f71805f_probe(struct platform_device *pdev) if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group))) goto exit_free; for (i = 0; i < 3; i++) { - if (!(data->fan_enabled & (1 << i))) + if (data->fan_ctrl[i] & FAN_CTRL_SKIP) continue; if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group_fan[i]))) |