diff options
author | Jim Cromie <jim.cromie@gmail.com> | 2005-09-02 17:05:07 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-05 12:26:55 -0400 |
commit | 11be27ea9bfd0ea7bca797ba6937285d18d426c2 (patch) | |
tree | 84d4952d0784b42990a3fbe1836d47992a22448d /drivers/hwmon | |
parent | 694fa056a60828ef54a5db958468cc600c3b3622 (diff) |
[PATCH] hwmon: (3/3) pc87360 driver update
pc87360: consolidate fan helper
This patch consolidates the _set_fan_min() helper routine into the 2
line sysfs-callback wrapper that uses it.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r-- | drivers/hwmon/pc87360.c | 54 |
1 files changed, 24 insertions, 30 deletions
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c index 5e87b2f1f13b..cf2a35799c7c 100644 --- a/drivers/hwmon/pc87360.c +++ b/drivers/hwmon/pc87360.c | |||
@@ -246,35 +246,6 @@ static struct i2c_driver pc87360_driver = { | |||
246 | * Sysfs stuff | 246 | * Sysfs stuff |
247 | */ | 247 | */ |
248 | 248 | ||
249 | static ssize_t _set_fan_min(struct device *dev, const char *buf, | ||
250 | size_t count, int nr) | ||
251 | { | ||
252 | struct i2c_client *client = to_i2c_client(dev); | ||
253 | struct pc87360_data *data = i2c_get_clientdata(client); | ||
254 | long fan_min = simple_strtol(buf, NULL, 10); | ||
255 | |||
256 | down(&data->update_lock); | ||
257 | fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[nr])); | ||
258 | |||
259 | /* If it wouldn't fit, change clock divisor */ | ||
260 | while (fan_min > 255 | ||
261 | && (data->fan_status[nr] & 0x60) != 0x60) { | ||
262 | fan_min >>= 1; | ||
263 | data->fan[nr] >>= 1; | ||
264 | data->fan_status[nr] += 0x20; | ||
265 | } | ||
266 | data->fan_min[nr] = fan_min > 255 ? 255 : fan_min; | ||
267 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(nr), | ||
268 | data->fan_min[nr]); | ||
269 | |||
270 | /* Write new divider, preserve alarm bits */ | ||
271 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(nr), | ||
272 | data->fan_status[nr] & 0xF9); | ||
273 | up(&data->update_lock); | ||
274 | |||
275 | return count; | ||
276 | } | ||
277 | |||
278 | static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) | 249 | static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) |
279 | { | 250 | { |
280 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | 251 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
@@ -307,7 +278,30 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, | |||
307 | size_t count) | 278 | size_t count) |
308 | { | 279 | { |
309 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | 280 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
310 | return _set_fan_min(dev, buf, count, attr->index); | 281 | struct i2c_client *client = to_i2c_client(dev); |
282 | struct pc87360_data *data = i2c_get_clientdata(client); | ||
283 | long fan_min = simple_strtol(buf, NULL, 10); | ||
284 | |||
285 | down(&data->update_lock); | ||
286 | fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index])); | ||
287 | |||
288 | /* If it wouldn't fit, change clock divisor */ | ||
289 | while (fan_min > 255 | ||
290 | && (data->fan_status[attr->index] & 0x60) != 0x60) { | ||
291 | fan_min >>= 1; | ||
292 | data->fan[attr->index] >>= 1; | ||
293 | data->fan_status[attr->index] += 0x20; | ||
294 | } | ||
295 | data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min; | ||
296 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(attr->index), | ||
297 | data->fan_min[attr->index]); | ||
298 | |||
299 | /* Write new divider, preserve alarm bits */ | ||
300 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index), | ||
301 | data->fan_status[attr->index] & 0xF9); | ||
302 | up(&data->update_lock); | ||
303 | |||
304 | return count; | ||
311 | } | 305 | } |
312 | 306 | ||
313 | #define show_and_set_fan(offset) \ | 307 | #define show_and_set_fan(offset) \ |