diff options
author | Jean Delvare <khali@linux-fr.org> | 2008-10-17 15:51:18 (GMT) |
---|---|---|
committer | Jean Delvare <khali@mahadeva.delvare> | 2008-10-17 15:51:18 (GMT) |
commit | 2fbbbf148840332d614790ea00d9a7ecb38d648d (patch) | |
tree | aa091caf282979543ece975e4f19423c8059e263 | |
parent | 6aa693b85257cd41fdb3554016b663519dbf9d14 (diff) | |
download | linux-2fbbbf148840332d614790ea00d9a7ecb38d648d.tar.xz |
hwmon: (w83781d) Refactor beep enable handling
We can handle the beep enable bit as any other beep mask bit for
slightly smaller code.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
-rw-r--r-- | drivers/hwmon/w83781d.c | 46 |
1 files changed, 9 insertions, 37 deletions
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index f942ecd..136bec3 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -178,9 +178,9 @@ FAN_FROM_REG(u8 val, int div) #define TEMP_FROM_REG(val) ((val) * 1000) #define BEEP_MASK_FROM_REG(val,type) ((type) == as99127f ? \ - (val) ^ 0x7fff : (val)) + (~(val)) & 0x7fff : (val) & 0xff7fff) #define BEEP_MASK_TO_REG(val,type) ((type) == as99127f ? \ - (~(val)) & 0x7fff : (val) & 0xffffff) + (~(val)) & 0x7fff : (val) & 0xff7fff) #define DIV_FROM_REG(val) (1 << (val)) @@ -240,7 +240,6 @@ struct w83781d_data { u8 vid; /* Register encoding, combined */ u32 alarms; /* Register encoding, combined */ u32 beep_mask; /* Register encoding, combined */ - u8 beep_enable; /* Boolean */ u8 pwm[4]; /* Register value */ u8 pwm2_enable; /* Boolean */ u16 sens[3]; /* 782D/783S only. @@ -513,11 +512,6 @@ static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr return sprintf(buf, "%ld\n", (long)BEEP_MASK_FROM_REG(data->beep_mask, data->type)); } -static ssize_t show_beep_enable (struct device *dev, struct device_attribute *attr, char *buf) -{ - struct w83781d_data *data = w83781d_update_device(dev); - return sprintf(buf, "%ld\n", (long)data->beep_enable); -} static ssize_t store_beep_mask(struct device *dev, struct device_attribute *attr, @@ -529,12 +523,12 @@ store_beep_mask(struct device *dev, struct device_attribute *attr, val = simple_strtoul(buf, NULL, 10); mutex_lock(&data->update_lock); - data->beep_mask = BEEP_MASK_TO_REG(val, data->type); + data->beep_mask &= 0x8000; /* preserve beep enable */ + data->beep_mask |= BEEP_MASK_TO_REG(val, data->type); w83781d_write_value(data, W83781D_REG_BEEP_INTS1, data->beep_mask & 0xff); w83781d_write_value(data, W83781D_REG_BEEP_INTS2, - ((data->beep_mask >> 8) & 0x7f) - | data->beep_enable << 7); + (data->beep_mask >> 8) & 0xff); if (data->type != w83781d && data->type != as99127f) { w83781d_write_value(data, W83781D_REG_BEEP_INTS3, ((data->beep_mask) >> 16) & 0xff); @@ -544,31 +538,8 @@ store_beep_mask(struct device *dev, struct device_attribute *attr, return count; } -static ssize_t -store_beep_enable(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct w83781d_data *data = dev_get_drvdata(dev); - u32 val; - - val = simple_strtoul(buf, NULL, 10); - if (val != 0 && val != 1) - return -EINVAL; - - mutex_lock(&data->update_lock); - data->beep_enable = val; - val = w83781d_read_value(data, W83781D_REG_BEEP_INTS2) & 0x7f; - val |= data->beep_enable << 7; - w83781d_write_value(data, W83781D_REG_BEEP_INTS2, val); - mutex_unlock(&data->update_lock); - - return count; -} - static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, show_beep_mask, store_beep_mask); -static DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, - show_beep_enable, store_beep_enable); static ssize_t show_beep(struct device *dev, struct device_attribute *attr, char *buf) @@ -663,6 +634,8 @@ static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 5); static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO, show_temp3_beep, store_beep, 13); +static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, + show_beep, store_beep, 15); static ssize_t show_fan_div(struct device *dev, struct device_attribute *da, char *buf) @@ -1029,7 +1002,7 @@ static struct attribute* w83781d_attributes[] = { &dev_attr_vrm.attr, &dev_attr_alarms.attr, &dev_attr_beep_mask.attr, - &dev_attr_beep_enable.attr, + &sensor_dev_attr_beep_enable.dev_attr.attr, NULL }; static const struct attribute_group w83781d_group = { @@ -1775,8 +1748,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev) W83781D_REG_ALARM2) << 8); } i = w83781d_read_value(data, W83781D_REG_BEEP_INTS2); - data->beep_enable = i >> 7; - data->beep_mask = ((i & 0x7f) << 8) + + data->beep_mask = (i << 8) + w83781d_read_value(data, W83781D_REG_BEEP_INTS1); if ((data->type != w83781d) && (data->type != as99127f)) { data->beep_mask |= |