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authorJean Delvare <khali@linux-fr.org>2010-10-28 14:31:47 -0400
committerJean Delvare <khali@endymion.delvare>2010-10-28 14:31:47 -0400
commit02728ffef9c2cf067e654e832b8c282a8a4d0b16 (patch)
tree00da2e02471413e8698cd5de3258329b5f03e1db /drivers/hwmon/w83795.c
parent54891a3c135b30ca0718dbf81f78260795a5b2fe (diff)
hwmon: (w83795) Rework beep_enable implementation
Handle beep_enable just like all other beep bits. It doesn't need anything special, so let's avoid redundant code. This also saves a duplicate register read at initialization time. Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/hwmon/w83795.c')
-rw-r--r--drivers/hwmon/w83795.c40
1 files changed, 2 insertions, 38 deletions
diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c
index b360696f241d..fd70a7b46295 100644
--- a/drivers/hwmon/w83795.c
+++ b/drivers/hwmon/w83795.c
@@ -398,7 +398,6 @@ struct w83795_data {
398 398
399 u8 alarms[6]; /* Register value */ 399 u8 alarms[6]; /* Register value */
400 u8 beeps[6]; /* Register value */ 400 u8 beeps[6]; /* Register value */
401 u8 beep_enable;
402 401
403 char valid; 402 char valid;
404}; 403};
@@ -616,39 +615,6 @@ store_beep(struct device *dev, struct device_attribute *attr,
616 return count; 615 return count;
617} 616}
618 617
619static ssize_t
620show_beep_enable(struct device *dev, struct device_attribute *attr, char *buf)
621{
622 struct i2c_client *client = to_i2c_client(dev);
623 struct w83795_data *data = i2c_get_clientdata(client);
624 return sprintf(buf, "%u\n", data->beep_enable);
625}
626
627static ssize_t
628store_beep_enable(struct device *dev, struct device_attribute *attr,
629 const char *buf, size_t count)
630{
631 struct i2c_client *client = to_i2c_client(dev);
632 struct w83795_data *data = i2c_get_clientdata(client);
633 unsigned long val;
634 u8 tmp;
635
636 if (strict_strtoul(buf, 10, &val) < 0)
637 return -EINVAL;
638 if (val != 0 && val != 1)
639 return -EINVAL;
640
641 mutex_lock(&data->update_lock);
642 data->beep_enable = val;
643 tmp = w83795_read(client, W83795_REG_BEEP(5));
644 tmp &= 0x7f;
645 tmp |= val << 7;
646 w83795_write(client, W83795_REG_BEEP(5), tmp);
647 mutex_unlock(&data->update_lock);
648
649 return count;
650}
651
652/* Write any value to clear chassis alarm */ 618/* Write any value to clear chassis alarm */
653static ssize_t 619static ssize_t
654store_chassis_clear(struct device *dev, 620store_chassis_clear(struct device *dev,
@@ -1689,8 +1655,8 @@ static const struct sensor_device_attribute_2 w83795_pwm[][7] = {
1689static const struct sensor_device_attribute_2 sda_single_files[] = { 1655static const struct sensor_device_attribute_2 sda_single_files[] = {
1690 SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep, 1656 SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep,
1691 store_chassis_clear, ALARM_STATUS, 46), 1657 store_chassis_clear, ALARM_STATUS, 46),
1692 SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_beep_enable, 1658 SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_alarm_beep,
1693 store_beep_enable, NOT_USED, NOT_USED), 1659 store_beep, BEEP_ENABLE, 47),
1694 SENSOR_ATTR_2(speed_cruise_tolerance, S_IWUSR | S_IRUGO, show_fanin, 1660 SENSOR_ATTR_2(speed_cruise_tolerance, S_IWUSR | S_IRUGO, show_fanin,
1695 store_fanin, FANIN_TOL, NOT_USED), 1661 store_fanin, FANIN_TOL, NOT_USED),
1696 SENSOR_ATTR_2(pwm_default, S_IWUSR | S_IRUGO, show_sf_setup, 1662 SENSOR_ATTR_2(pwm_default, S_IWUSR | S_IRUGO, show_sf_setup,
@@ -2136,8 +2102,6 @@ static int w83795_probe(struct i2c_client *client,
2136 data->alarms[i] = w83795_read(client, W83795_REG_ALARM(i)); 2102 data->alarms[i] = w83795_read(client, W83795_REG_ALARM(i));
2137 data->beeps[i] = w83795_read(client, W83795_REG_BEEP(i)); 2103 data->beeps[i] = w83795_read(client, W83795_REG_BEEP(i));
2138 } 2104 }
2139 data->beep_enable =
2140 (w83795_read(client, W83795_REG_BEEP(5)) >> 7) & 0x01;
2141 2105
2142 err = w83795_handle_files(dev, device_create_file); 2106 err = w83795_handle_files(dev, device_create_file);
2143 if (err) 2107 if (err)