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author | Jean Delvare <khali@linux-fr.org> | 2008-01-03 23:04:55 +0100 |
---|---|---|
committer | Mark M. Hoffman <mhoffman@lightlink.com> | 2008-02-07 20:39:45 -0500 |
commit | 1c1381076f8c6cf0a2c9918194e3fa6369cdf06a (patch) | |
tree | 1b542417e95fe9ccc5911d997681d45fd4d6f1cb /drivers/hwmon/w83627hf.c | |
parent | e3604c626cdcddf37bf5c9663ae75b79dad40000 (diff) | |
download | kernel_samsung_espresso10-1c1381076f8c6cf0a2c9918194e3fa6369cdf06a.zip kernel_samsung_espresso10-1c1381076f8c6cf0a2c9918194e3fa6369cdf06a.tar.gz kernel_samsung_espresso10-1c1381076f8c6cf0a2c9918194e3fa6369cdf06a.tar.bz2 |
hwmon: (w83627hf) 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>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Diffstat (limited to 'drivers/hwmon/w83627hf.c')
-rw-r--r-- | drivers/hwmon/w83627hf.c | 76 |
1 files changed, 25 insertions, 51 deletions
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index c02c3bb..9564fb0 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -323,10 +323,8 @@ static inline u8 pwm_freq_to_reg(unsigned long val) return (0x80 | (180000UL / (val << 8))); } -#define BEEP_MASK_FROM_REG(val) (val) -#define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) -#define BEEP_ENABLE_TO_REG(val) ((val)?1:0) -#define BEEP_ENABLE_FROM_REG(val) ((val)?1:0) +#define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff) +#define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff) #define DIV_FROM_REG(val) (1 << (val)) @@ -367,7 +365,6 @@ struct w83627hf_data { u8 vid; /* Register encoding, combined */ u32 alarms; /* Register encoding, combined */ u32 beep_mask; /* Register encoding, combined */ - u8 beep_enable; /* Boolean */ u8 pwm[3]; /* Register value */ u8 pwm_freq[3]; /* Register value */ u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; @@ -740,65 +737,41 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); -#define show_beep_reg(REG, reg) \ -static ssize_t show_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct w83627hf_data *data = w83627hf_update_device(dev); \ - return sprintf(buf,"%ld\n", \ - (long)BEEP_##REG##_FROM_REG(data->beep_##reg)); \ +static ssize_t +show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct w83627hf_data *data = w83627hf_update_device(dev); + return sprintf(buf, "%ld\n", + (long)BEEP_MASK_FROM_REG(data->beep_mask)); } -show_beep_reg(ENABLE, enable) -show_beep_reg(MASK, mask) - -#define BEEP_ENABLE 0 /* Store beep_enable */ -#define BEEP_MASK 1 /* Store beep_mask */ static ssize_t -store_beep_reg(struct device *dev, const char *buf, size_t count, - int update_mask) +store_beep_mask(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct w83627hf_data *data = dev_get_drvdata(dev); - u32 val, val2; + unsigned long val; val = simple_strtoul(buf, NULL, 10); mutex_lock(&data->update_lock); - if (update_mask == BEEP_MASK) { /* We are storing beep_mask */ - data->beep_mask = BEEP_MASK_TO_REG(val); - w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, - data->beep_mask & 0xff); - w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, - ((data->beep_mask) >> 16) & 0xff); - val2 = (data->beep_mask >> 8) & 0x7f; - } else { /* We are storing beep_enable */ - val2 = - w83627hf_read_value(data, W83781D_REG_BEEP_INTS2) & 0x7f; - data->beep_enable = BEEP_ENABLE_TO_REG(val); - } - + /* preserve beep enable */ + data->beep_mask = (data->beep_mask & 0x8000) + | BEEP_MASK_TO_REG(val); + w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, + data->beep_mask & 0xff); + w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, + ((data->beep_mask) >> 16) & 0xff); w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, - val2 | data->beep_enable << 7); + (data->beep_mask >> 8) & 0xff); mutex_unlock(&data->update_lock); return count; } -#define sysfs_beep(REG, reg) \ -static ssize_t show_regs_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_beep_##reg(dev, attr, buf); \ -} \ -static ssize_t \ -store_regs_beep_##reg (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ -{ \ - return store_beep_reg(dev, buf, count, BEEP_##REG); \ -} \ -static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, \ - show_regs_beep_##reg, store_regs_beep_##reg); - -sysfs_beep(ENABLE, enable); -sysfs_beep(MASK, mask); +static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, + show_beep_mask, store_beep_mask); static ssize_t show_beep(struct device *dev, struct device_attribute *attr, char *buf) @@ -884,6 +857,8 @@ static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 5); static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR, show_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 *devattr, char *buf) @@ -1223,7 +1198,7 @@ static struct attribute *w83627hf_attributes[] = { TEMP_UNIT_ATTRS(2), &dev_attr_alarms.attr, - &dev_attr_beep_enable.attr, + &sensor_dev_attr_beep_enable.dev_attr.attr, &dev_attr_beep_mask.attr, &sensor_dev_attr_pwm1.dev_attr.attr, @@ -1748,8 +1723,7 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev) (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); - data->beep_enable = i >> 7; - data->beep_mask = ((i & 0x7f) << 8) | + data->beep_mask = (i << 8) | w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; data->last_updated = jiffies; |