diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/ad525x_dpot.c | 238 |
1 files changed, 43 insertions, 195 deletions
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c index 30a59f2bacd2..e6b274b5dbd6 100644 --- a/drivers/misc/ad525x_dpot.c +++ b/drivers/misc/ad525x_dpot.c @@ -158,175 +158,45 @@ static ssize_t sysfs_do_cmd(struct device *dev, /* ------------------------------------------------------------------------- */ -static ssize_t show_rdac0(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, AD525X_I2C_RDAC | AD525X_RDAC0); -} - -static ssize_t set_rdac0(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_set_reg(dev, attr, buf, count, - AD525X_I2C_RDAC | AD525X_RDAC0); -} - -static DEVICE_ATTR(rdac0, S_IWUSR | S_IRUGO, show_rdac0, set_rdac0); - -static ssize_t show_eeprom0(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, AD525X_I2C_EEPROM | AD525X_RDAC0); -} - -static ssize_t set_eeprom0(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_set_reg(dev, attr, buf, count, - AD525X_I2C_EEPROM | AD525X_RDAC0); -} - -static DEVICE_ATTR(eeprom0, S_IWUSR | S_IRUGO, show_eeprom0, set_eeprom0); - -static ssize_t show_tolerance0(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, - AD525X_I2C_EEPROM | AD525X_TOL_RDAC0); -} - -static DEVICE_ATTR(tolerance0, S_IRUGO, show_tolerance0, NULL); - -/* ------------------------------------------------------------------------- */ - -static ssize_t show_rdac1(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, AD525X_I2C_RDAC | AD525X_RDAC1); +#define DPOT_DEVICE_SHOW(_name, _reg) static ssize_t \ +show_##_name(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + return sysfs_show_reg(dev, attr, buf, _reg); \ } -static ssize_t set_rdac1(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_set_reg(dev, attr, buf, count, - AD525X_I2C_RDAC | AD525X_RDAC1); +#define DPOT_DEVICE_SET(_name, _reg) static ssize_t \ +set_##_name(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + return sysfs_set_reg(dev, attr, buf, count, _reg); \ } -static DEVICE_ATTR(rdac1, S_IWUSR | S_IRUGO, show_rdac1, set_rdac1); +#define DPOT_DEVICE_SHOW_SET(name, reg) \ +DPOT_DEVICE_SHOW(name, reg) \ +DPOT_DEVICE_SET(name, reg) \ +static DEVICE_ATTR(name, S_IWUSR | S_IRUGO, show_##name, set_##name); -static ssize_t show_eeprom1(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, AD525X_I2C_EEPROM | AD525X_RDAC1); -} +#define DPOT_DEVICE_SHOW_ONLY(name, reg) \ +DPOT_DEVICE_SHOW(name, reg) \ +static DEVICE_ATTR(name, S_IWUSR | S_IRUGO, show_##name, NULL); -static ssize_t set_eeprom1(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_set_reg(dev, attr, buf, count, - AD525X_I2C_EEPROM | AD525X_RDAC1); -} +DPOT_DEVICE_SHOW_SET(rdac0, AD525X_I2C_RDAC | AD525X_RDAC0); +DPOT_DEVICE_SHOW_SET(eeprom0, AD525X_I2C_EEPROM | AD525X_RDAC0); +DPOT_DEVICE_SHOW_ONLY(tolerance0, AD525X_I2C_EEPROM | AD525X_TOL_RDAC0); -static DEVICE_ATTR(eeprom1, S_IWUSR | S_IRUGO, show_eeprom1, set_eeprom1); +DPOT_DEVICE_SHOW_SET(rdac1, AD525X_I2C_RDAC | AD525X_RDAC1); +DPOT_DEVICE_SHOW_SET(eeprom1, AD525X_I2C_EEPROM | AD525X_RDAC1); +DPOT_DEVICE_SHOW_ONLY(tolerance1, AD525X_I2C_EEPROM | AD525X_TOL_RDAC1); -static ssize_t show_tolerance1(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, - AD525X_I2C_EEPROM | AD525X_TOL_RDAC1); -} - -static DEVICE_ATTR(tolerance1, S_IRUGO, show_tolerance1, NULL); +DPOT_DEVICE_SHOW_SET(rdac2, AD525X_I2C_RDAC | AD525X_RDAC2); +DPOT_DEVICE_SHOW_SET(eeprom2, AD525X_I2C_EEPROM | AD525X_RDAC2); +DPOT_DEVICE_SHOW_ONLY(tolerance2, AD525X_I2C_EEPROM | AD525X_TOL_RDAC2); -/* ------------------------------------------------------------------------- */ - -static ssize_t show_rdac2(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, AD525X_I2C_RDAC | AD525X_RDAC2); -} - -static ssize_t set_rdac2(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_set_reg(dev, attr, buf, count, - AD525X_I2C_RDAC | AD525X_RDAC2); -} - -static DEVICE_ATTR(rdac2, S_IWUSR | S_IRUGO, show_rdac2, set_rdac2); - -static ssize_t show_eeprom2(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, AD525X_I2C_EEPROM | AD525X_RDAC2); -} - -static ssize_t set_eeprom2(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_set_reg(dev, attr, buf, count, - AD525X_I2C_EEPROM | AD525X_RDAC2); -} - -static DEVICE_ATTR(eeprom2, S_IWUSR | S_IRUGO, show_eeprom2, set_eeprom2); - -static ssize_t show_tolerance2(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, - AD525X_I2C_EEPROM | AD525X_TOL_RDAC2); -} - -static DEVICE_ATTR(tolerance2, S_IRUGO, show_tolerance2, NULL); - -/* ------------------------------------------------------------------------- */ - -static ssize_t show_rdac3(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, AD525X_I2C_RDAC | AD525X_RDAC3); -} - -static ssize_t set_rdac3(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_set_reg(dev, attr, buf, count, - AD525X_I2C_RDAC | AD525X_RDAC3); -} - -static DEVICE_ATTR(rdac3, S_IWUSR | S_IRUGO, show_rdac3, set_rdac3); - -static ssize_t show_eeprom3(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, AD525X_I2C_EEPROM | AD525X_RDAC3); -} - -static ssize_t set_eeprom3(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_set_reg(dev, attr, buf, count, - AD525X_I2C_EEPROM | AD525X_RDAC3); -} - -static DEVICE_ATTR(eeprom3, S_IWUSR | S_IRUGO, show_eeprom3, set_eeprom3); - -static ssize_t show_tolerance3(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_show_reg(dev, attr, buf, - AD525X_I2C_EEPROM | AD525X_TOL_RDAC3); -} - -static DEVICE_ATTR(tolerance3, S_IRUGO, show_tolerance3, NULL); +DPOT_DEVICE_SHOW_SET(rdac3, AD525X_I2C_RDAC | AD525X_RDAC3); +DPOT_DEVICE_SHOW_SET(eeprom3, AD525X_I2C_EEPROM | AD525X_RDAC3); +DPOT_DEVICE_SHOW_ONLY(tolerance3, AD525X_I2C_EEPROM | AD525X_TOL_RDAC3); static struct attribute *ad525x_attributes_wipers[4][4] = { { @@ -361,41 +231,19 @@ static const struct attribute_group ad525x_group_wipers[] = { /* ------------------------------------------------------------------------- */ -static ssize_t set_inc_all(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_do_cmd(dev, attr, buf, count, AD525X_INC_ALL); -} - -static DEVICE_ATTR(inc_all, S_IWUSR, NULL, set_inc_all); - -static ssize_t set_dec_all(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_do_cmd(dev, attr, buf, count, AD525X_DEC_ALL); -} - -static DEVICE_ATTR(dec_all, S_IWUSR, NULL, set_dec_all); - -static ssize_t set_inc_all_6db(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_do_cmd(dev, attr, buf, count, AD525X_INC_ALL_6DB); -} - -static DEVICE_ATTR(inc_all_6db, S_IWUSR, NULL, set_inc_all_6db); - -static ssize_t set_dec_all_6db(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return sysfs_do_cmd(dev, attr, buf, count, AD525X_DEC_ALL_6DB); -} - -static DEVICE_ATTR(dec_all_6db, S_IWUSR, NULL, set_dec_all_6db); +#define DPOT_DEVICE_DO_CMD(_name, _cmd) static ssize_t \ +set_##_name(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + return sysfs_do_cmd(dev, attr, buf, count, _cmd); \ +} \ +static DEVICE_ATTR(_name, S_IWUSR | S_IRUGO, NULL, set_##_name); + +DPOT_DEVICE_DO_CMD(inc_all, AD525X_INC_ALL); +DPOT_DEVICE_DO_CMD(dec_all, AD525X_DEC_ALL); +DPOT_DEVICE_DO_CMD(inc_all_6db, AD525X_INC_ALL_6DB); +DPOT_DEVICE_DO_CMD(dec_all_6db, AD525X_DEC_ALL_6DB); static struct attribute *ad525x_attributes_commands[] = { &dev_attr_inc_all.attr, |