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| author | David S. Miller <davem@davemloft.net> | 2011-03-03 21:27:42 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-03 21:27:42 -0800 |
| commit | 0a0e9ae1bd788bc19adc4d4ae08c98b233697402 (patch) | |
| tree | 13825eeb5bbeae27d66e95f12168eff4b60701ab /drivers/hwmon/jc42.c | |
| parent | 01a16b21d6adf992aa863186c3c4e561a57c1714 (diff) | |
| parent | b65a0e0c84cf489bfa00d6aa6c48abc5a237100f (diff) | |
| download | op-kernel-dev-0a0e9ae1bd788bc19adc4d4ae08c98b233697402.zip op-kernel-dev-0a0e9ae1bd788bc19adc4d4ae08c98b233697402.tar.gz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/bnx2x/bnx2x.h
Diffstat (limited to 'drivers/hwmon/jc42.c')
| -rw-r--r-- | drivers/hwmon/jc42.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c index 340fc78..9349912 100644 --- a/drivers/hwmon/jc42.c +++ b/drivers/hwmon/jc42.c @@ -53,6 +53,8 @@ static const unsigned short normal_i2c[] = { /* Configuration register defines */ #define JC42_CFG_CRIT_ONLY (1 << 2) +#define JC42_CFG_TCRIT_LOCK (1 << 6) +#define JC42_CFG_EVENT_LOCK (1 << 7) #define JC42_CFG_SHUTDOWN (1 << 8) #define JC42_CFG_HYST_SHIFT 9 #define JC42_CFG_HYST_MASK 0x03 @@ -332,7 +334,7 @@ static ssize_t set_temp_crit_hyst(struct device *dev, { struct i2c_client *client = to_i2c_client(dev); struct jc42_data *data = i2c_get_clientdata(client); - long val; + unsigned long val; int diff, hyst; int err; int ret = count; @@ -380,14 +382,14 @@ static ssize_t show_alarm(struct device *dev, static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL); -static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, +static DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit, set_temp_crit); -static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, +static DEVICE_ATTR(temp1_min, S_IRUGO, show_temp_min, set_temp_min); -static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, +static DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_max, set_temp_max); -static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, +static DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, set_temp_crit_hyst); static DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp_max_hyst, NULL); @@ -412,8 +414,31 @@ static struct attribute *jc42_attributes[] = { NULL }; +static mode_t jc42_attribute_mode(struct kobject *kobj, + struct attribute *attr, int index) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct i2c_client *client = to_i2c_client(dev); + struct jc42_data *data = i2c_get_clientdata(client); + unsigned int config = data->config; + bool readonly; + + if (attr == &dev_attr_temp1_crit.attr) + readonly = config & JC42_CFG_TCRIT_LOCK; + else if (attr == &dev_attr_temp1_min.attr || + attr == &dev_attr_temp1_max.attr) + readonly = config & JC42_CFG_EVENT_LOCK; + else if (attr == &dev_attr_temp1_crit_hyst.attr) + readonly = config & (JC42_CFG_EVENT_LOCK | JC42_CFG_TCRIT_LOCK); + else + readonly = true; + + return S_IRUGO | (readonly ? 0 : S_IWUSR); +} + static const struct attribute_group jc42_group = { .attrs = jc42_attributes, + .is_visible = jc42_attribute_mode, }; /* Return 0 if detection is successful, -ENODEV otherwise */ |
