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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:24:29 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:24:29 -0800 |
commit | 174a86dff2f3c72ef55d994b1e7faa7099d3f844 (patch) | |
tree | 0129019c0bf7117b81afd28fc05d3a882088f385 /drivers/hwmon/adm9240.c | |
parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6 (diff) | |
parent | hwmon: (dme1737) Minor cleanups (diff) | |
download | linux-dev-174a86dff2f3c72ef55d994b1e7faa7099d3f844.tar.xz linux-dev-174a86dff2f3c72ef55d994b1e7faa7099d3f844.zip |
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (dme1737) Minor cleanups
hwmon: (dme1737) Add support for in7 for SCH5127
hwmon: (emc1403) Add EMC1423 support
hwmon: (w83627hf) Document W83627THF voltage pin mapping
hwmon: (w83793) Drop useless mutex
hwmon: (fschmd) Drop useless mutex
hwmon: (w83781d) Use pr_fmt and pr_<level>
hwmon: (pc87427) Use pr_fmt and pr_<level>
hwmon: (pc87360) Use pr_fmt and pr_<level>
hwmon: (lm78) Use pr_fmt and pr_<level>
hwmon: (it87) Use pr_fmt and pr_<level>
hwmon: Schedule the removal of the old intrusion detection interfaces
hwmon: (w83793) Implement the standard intrusion detection interface
hwmon: (w83792d) Implement the standard intrusion detection interface
hwmon: (adm9240) Implement the standard intrusion detection interface
hwmon: (via686a) Initialize fan_div values
hwmon: (w83795) Silent false warning from gcc
hwmon: (ads7828) Update email contact details
Diffstat (limited to 'drivers/hwmon/adm9240.c')
-rw-r--r-- | drivers/hwmon/adm9240.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c index 0727ad250793..9e234b981b83 100644 --- a/drivers/hwmon/adm9240.c +++ b/drivers/hwmon/adm9240.c @@ -20,7 +20,7 @@ * Alarms 16-bit map of active alarms * Analog Out 0..1250 mV output * - * Chassis Intrusion: clear CI latch with 'echo 1 > chassis_clear' + * Chassis Intrusion: clear CI latch with 'echo 0 > intrusion0_alarm' * * Test hardware: Intel SE440BX-2 desktop motherboard --Grant * @@ -476,13 +476,16 @@ static ssize_t set_aout(struct device *dev, static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout); /* chassis_clear */ -static ssize_t chassis_clear(struct device *dev, +static ssize_t chassis_clear_legacy(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); unsigned long val = simple_strtol(buf, NULL, 10); + dev_warn(dev, "Attribute chassis_clear is deprecated, " + "use intrusion0_alarm instead\n"); + if (val == 1) { i2c_smbus_write_byte_data(client, ADM9240_REG_CHASSIS_CLEAR, 0x80); @@ -490,7 +493,29 @@ static ssize_t chassis_clear(struct device *dev, } return count; } -static DEVICE_ATTR(chassis_clear, S_IWUSR, NULL, chassis_clear); +static DEVICE_ATTR(chassis_clear, S_IWUSR, NULL, chassis_clear_legacy); + +static ssize_t chassis_clear(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm9240_data *data = i2c_get_clientdata(client); + unsigned long val; + + if (strict_strtoul(buf, 10, &val) || val != 0) + return -EINVAL; + + mutex_lock(&data->update_lock); + i2c_smbus_write_byte_data(client, ADM9240_REG_CHASSIS_CLEAR, 0x80); + data->valid = 0; /* Force cache refresh */ + mutex_unlock(&data->update_lock); + dev_dbg(&client->dev, "chassis intrusion latch cleared\n"); + + return count; +} +static SENSOR_DEVICE_ATTR(intrusion0_alarm, S_IRUGO | S_IWUSR, show_alarm, + chassis_clear, 12); static struct attribute *adm9240_attributes[] = { &sensor_dev_attr_in0_input.dev_attr.attr, @@ -532,6 +557,7 @@ static struct attribute *adm9240_attributes[] = { &dev_attr_alarms.attr, &dev_attr_aout_output.attr, &dev_attr_chassis_clear.attr, + &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, &dev_attr_cpu0_vid.attr, NULL }; |