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authorJean Delvare <khali@linux-fr.org>2008-10-17 17:51:18 +0200
committerJean Delvare <khali@mahadeva.delvare>2008-10-17 17:51:18 +0200
commit2fbbbf148840332d614790ea00d9a7ecb38d648d (patch)
treeaa091caf282979543ece975e4f19423c8059e263 /drivers/hwmon
parent6aa693b85257cd41fdb3554016b663519dbf9d14 (diff)
downloadlinux-2fbbbf148840332d614790ea00d9a7ecb38d648d.tar.bz2
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>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/w83781d.c46
1 files changed, 9 insertions, 37 deletions
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index f942ecdd47c8..136bec3fd645 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 |=