summaryrefslogtreecommitdiffstats
path: root/drivers/hwmon
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/adm1021.c79
-rw-r--r--drivers/hwmon/applesmc.c38
-rw-r--r--drivers/hwmon/coretemp.c4
-rw-r--r--drivers/hwmon/lis3lv02d.c9
-rw-r--r--drivers/hwmon/lis3lv02d.h24
-rw-r--r--drivers/hwmon/lis3lv02d_spi.c45
-rw-r--r--drivers/hwmon/sht15.c6
7 files changed, 150 insertions, 55 deletions
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index b11e06f644b..afc59431812 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -83,16 +83,14 @@ struct adm1021_data {
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
+ char low_power; /* !=0 if device in low power mode */
unsigned long last_updated; /* In jiffies */
- s8 temp_max[2]; /* Register values */
- s8 temp_min[2];
- s8 temp[2];
+ int temp_max[2]; /* Register values */
+ int temp_min[2];
+ int temp[2];
u8 alarms;
/* Special values for ADM1023 only */
- u8 remote_temp_prec;
- u8 remote_temp_os_prec;
- u8 remote_temp_hyst_prec;
u8 remote_temp_offset;
u8 remote_temp_offset_prec;
};
@@ -141,7 +139,7 @@ static ssize_t show_temp(struct device *dev,
int index = to_sensor_dev_attr(devattr)->index;
struct adm1021_data *data = adm1021_update_device(dev);
- return sprintf(buf, "%d\n", 1000 * data->temp[index]);
+ return sprintf(buf, "%d\n", data->temp[index]);
}
static ssize_t show_temp_max(struct device *dev,
@@ -150,7 +148,7 @@ static ssize_t show_temp_max(struct device *dev,
int index = to_sensor_dev_attr(devattr)->index;
struct adm1021_data *data = adm1021_update_device(dev);
- return sprintf(buf, "%d\n", 1000 * data->temp_max[index]);
+ return sprintf(buf, "%d\n", data->temp_max[index]);
}
static ssize_t show_temp_min(struct device *dev,
@@ -159,7 +157,7 @@ static ssize_t show_temp_min(struct device *dev,
int index = to_sensor_dev_attr(devattr)->index;
struct adm1021_data *data = adm1021_update_device(dev);
- return sprintf(buf, "%d\n", 1000 * data->temp_min[index]);
+ return sprintf(buf, "%d\n", data->temp_min[index]);
}
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
@@ -216,6 +214,35 @@ static ssize_t set_temp_min(struct device *dev,
return count;
}
+static ssize_t show_low_power(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct adm1021_data *data = adm1021_update_device(dev);
+ return sprintf(buf, "%d\n", data->low_power);
+}
+
+static ssize_t set_low_power(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct adm1021_data *data = i2c_get_clientdata(client);
+ int low_power = simple_strtol(buf, NULL, 10) != 0;
+
+ mutex_lock(&data->update_lock);
+ if (low_power != data->low_power) {
+ int config = i2c_smbus_read_byte_data(
+ client, ADM1021_REG_CONFIG_R);
+ data->low_power = low_power;
+ i2c_smbus_write_byte_data(client, ADM1021_REG_CONFIG_W,
+ (config & 0xBF) | (low_power << 6));
+ }
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max,
set_temp_max, 0);
@@ -233,6 +260,7 @@ static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_alarm, NULL, 3);
static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2);
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+static DEVICE_ATTR(low_power, S_IWUSR | S_IRUGO, show_low_power, set_low_power);
static struct attribute *adm1021_attributes[] = {
&sensor_dev_attr_temp1_max.dev_attr.attr,
@@ -247,6 +275,7 @@ static struct attribute *adm1021_attributes[] = {
&sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
&sensor_dev_attr_temp2_fault.dev_attr.attr,
&dev_attr_alarms.attr,
+ &dev_attr_low_power.attr,
NULL
};
@@ -412,25 +441,27 @@ static struct adm1021_data *adm1021_update_device(struct device *dev)
dev_dbg(&client->dev, "Starting adm1021 update\n");
for (i = 0; i < 2; i++) {
- data->temp[i] = i2c_smbus_read_byte_data(client,
- ADM1021_REG_TEMP(i));
- data->temp_max[i] = i2c_smbus_read_byte_data(client,
- ADM1021_REG_TOS_R(i));
- data->temp_min[i] = i2c_smbus_read_byte_data(client,
- ADM1021_REG_THYST_R(i));
+ data->temp[i] = 1000 *
+ (s8) i2c_smbus_read_byte_data(
+ client, ADM1021_REG_TEMP(i));
+ data->temp_max[i] = 1000 *
+ (s8) i2c_smbus_read_byte_data(
+ client, ADM1021_REG_TOS_R(i));
+ data->temp_min[i] = 1000 *
+ (s8) i2c_smbus_read_byte_data(
+ client, ADM1021_REG_THYST_R(i));
}
data->alarms = i2c_smbus_read_byte_data(client,
ADM1021_REG_STATUS) & 0x7c;
if (data->type == adm1023) {
- data->remote_temp_prec =
- i2c_smbus_read_byte_data(client,
- ADM1023_REG_REM_TEMP_PREC);
- data->remote_temp_os_prec =
- i2c_smbus_read_byte_data(client,
- ADM1023_REG_REM_TOS_PREC);
- data->remote_temp_hyst_prec =
- i2c_smbus_read_byte_data(client,
- ADM1023_REG_REM_THYST_PREC);
+ /* The ADM1023 provides 3 extra bits of precision for
+ * the remote sensor in extra registers. */
+ data->temp[1] += 125 * (i2c_smbus_read_byte_data(
+ client, ADM1023_REG_REM_TEMP_PREC) >> 5);
+ data->temp_max[1] += 125 * (i2c_smbus_read_byte_data(
+ client, ADM1023_REG_REM_TOS_PREC) >> 5);
+ data->temp_min[1] += 125 * (i2c_smbus_read_byte_data(
+ client, ADM1023_REG_REM_THYST_PREC) >> 5);
data->remote_temp_offset =
i2c_smbus_read_byte_data(client,
ADM1023_REG_REM_OFFSET);
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 753b34885f9..7ea6a8f6605 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -178,6 +178,8 @@ static const int debug;
static struct platform_device *pdev;
static s16 rest_x;
static s16 rest_y;
+static u8 backlight_state[2];
+
static struct device *hwmon_dev;
static struct input_polled_dev *applesmc_idev;
@@ -497,17 +499,36 @@ static int applesmc_probe(struct platform_device *dev)
return 0;
}
-static int applesmc_resume(struct platform_device *dev)
+/* Synchronize device with memorized backlight state */
+static int applesmc_pm_resume(struct device *dev)
{
- return applesmc_device_init();
+ mutex_lock(&applesmc_lock);
+ if (applesmc_light)
+ applesmc_write_key(BACKLIGHT_KEY, backlight_state, 2);
+ mutex_unlock(&applesmc_lock);
+ return 0;
}
+/* Reinitialize device on resume from hibernation */
+static int applesmc_pm_restore(struct device *dev)
+{
+ int ret = applesmc_device_init();
+ if (ret)
+ return ret;
+ return applesmc_pm_resume(dev);
+}
+
+static struct dev_pm_ops applesmc_pm_ops = {
+ .resume = applesmc_pm_resume,
+ .restore = applesmc_pm_restore,
+};
+
static struct platform_driver applesmc_driver = {
.probe = applesmc_probe,
- .resume = applesmc_resume,
.driver = {
.name = "applesmc",
.owner = THIS_MODULE,
+ .pm = &applesmc_pm_ops,
},
};
@@ -804,17 +825,10 @@ static ssize_t applesmc_calibrate_store(struct device *dev,
return count;
}
-/* Store the next backlight value to be written by the work */
-static unsigned int backlight_value;
-
static void applesmc_backlight_set(struct work_struct *work)
{
- u8 buffer[2];
-
mutex_lock(&applesmc_lock);
- buffer[0] = backlight_value;
- buffer[1] = 0x00;
- applesmc_write_key(BACKLIGHT_KEY, buffer, 2);
+ applesmc_write_key(BACKLIGHT_KEY, backlight_state, 2);
mutex_unlock(&applesmc_lock);
}
static DECLARE_WORK(backlight_work, &applesmc_backlight_set);
@@ -824,7 +838,7 @@ static void applesmc_brightness_set(struct led_classdev *led_cdev,
{
int ret;
- backlight_value = value;
+ backlight_state[0] = value;
ret = queue_work(applesmc_led_wq, &backlight_work);
if (debug && (!ret))
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 93c17223b52..972cf4ba963 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -185,7 +185,7 @@ static int __devinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *
}
}
- if (ismobile) {
+ if (ismobile || c->x86_model == 0x1c) {
err = rdmsr_safe_on_cpu(id, 0xee, &eax, &edx);
if (err) {
@@ -417,7 +417,7 @@ static int __init coretemp_init(void)
if ((c->cpuid_level < 0) || (c->x86 != 0x6) ||
!((c->x86_model == 0xe) || (c->x86_model == 0xf) ||
(c->x86_model == 0x16) || (c->x86_model == 0x17) ||
- (c->x86_model == 0x1A))) {
+ (c->x86_model == 0x1A) || (c->x86_model == 0x1c))) {
/* supported CPU not found, but report the unknown
family 6 CPU */
diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index 271338bdb6b..cf5afb9a10a 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -454,6 +454,15 @@ int lis3lv02d_init_device(struct lis3lv02d *dev)
(p->click_thresh_y << 4));
}
+ if (p->wakeup_flags && (dev->whoami == LIS_SINGLE_ID)) {
+ dev->write(dev, FF_WU_CFG_1, p->wakeup_flags);
+ dev->write(dev, FF_WU_THS_1, p->wakeup_thresh & 0x7f);
+ /* default to 2.5ms for now */
+ dev->write(dev, FF_WU_DURATION_1, 1);
+ /* enable high pass filter for both free-fall units */
+ dev->write(dev, CTRL_REG2, HP_FF_WU1 | HP_FF_WU2);
+ }
+
if (p->irq_cfg)
dev->write(dev, CTRL_REG3, p->irq_cfg);
}
diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h
index e320e2f511f..3e1ff46f72d 100644
--- a/drivers/hwmon/lis3lv02d.h
+++ b/drivers/hwmon/lis3lv02d.h
@@ -58,15 +58,17 @@ enum lis3_reg {
OUTZ_L = 0x2C,
OUTZ_H = 0x2D,
OUTZ = 0x2D,
- FF_WU_CFG = 0x30,
- FF_WU_SRC = 0x31,
- FF_WU_ACK = 0x32,
- FF_WU_THS_L = 0x34,
- FF_WU_THS_H = 0x35,
- FF_WU_DURATION = 0x36,
};
enum lis302d_reg {
+ FF_WU_CFG_1 = 0x30,
+ FF_WU_SRC_1 = 0x31,
+ FF_WU_THS_1 = 0x32,
+ FF_WU_DURATION_1 = 0x33,
+ FF_WU_CFG_2 = 0x34,
+ FF_WU_SRC_2 = 0x35,
+ FF_WU_THS_2 = 0x36,
+ FF_WU_DURATION_2 = 0x37,
CLICK_CFG = 0x38,
CLICK_SRC = 0x39,
CLICK_THSY_X = 0x3B,
@@ -77,6 +79,12 @@ enum lis302d_reg {
};
enum lis3lv02d_reg {
+ FF_WU_CFG = 0x30,
+ FF_WU_SRC = 0x31,
+ FF_WU_ACK = 0x32,
+ FF_WU_THS_L = 0x34,
+ FF_WU_THS_H = 0x35,
+ FF_WU_DURATION = 0x36,
DD_CFG = 0x38,
DD_SRC = 0x39,
DD_ACK = 0x3A,
@@ -107,6 +115,10 @@ enum lis3lv02d_ctrl2 {
CTRL2_FS = 0x80, /* Full Scale selection */
};
+enum lis302d_ctrl2 {
+ HP_FF_WU2 = 0x08,
+ HP_FF_WU1 = 0x04,
+};
enum lis3lv02d_ctrl3 {
CTRL3_CFS0 = 0x01,
diff --git a/drivers/hwmon/lis3lv02d_spi.c b/drivers/hwmon/lis3lv02d_spi.c
index 3827ff04485..82ebca5a699 100644
--- a/drivers/hwmon/lis3lv02d_spi.c
+++ b/drivers/hwmon/lis3lv02d_spi.c
@@ -66,17 +66,16 @@ static int __devinit lis302dl_spi_probe(struct spi_device *spi)
if (ret < 0)
return ret;
- lis3_dev.bus_priv = spi;
- lis3_dev.init = lis3_spi_init;
- lis3_dev.read = lis3_spi_read;
- lis3_dev.write = lis3_spi_write;
- lis3_dev.irq = spi->irq;
- lis3_dev.ac = lis3lv02d_axis_normal;
- lis3_dev.pdata = spi->dev.platform_data;
+ lis3_dev.bus_priv = spi;
+ lis3_dev.init = lis3_spi_init;
+ lis3_dev.read = lis3_spi_read;
+ lis3_dev.write = lis3_spi_write;
+ lis3_dev.irq = spi->irq;
+ lis3_dev.ac = lis3lv02d_axis_normal;
+ lis3_dev.pdata = spi->dev.platform_data;
spi_set_drvdata(spi, &lis3_dev);
- ret = lis3lv02d_init_device(&lis3_dev);
- return ret;
+ return lis3lv02d_init_device(&lis3_dev);
}
static int __devexit lis302dl_spi_remove(struct spi_device *spi)
@@ -87,6 +86,32 @@ static int __devexit lis302dl_spi_remove(struct spi_device *spi)
return 0;
}
+#ifdef CONFIG_PM
+static int lis3lv02d_spi_suspend(struct spi_device *spi, pm_message_t mesg)
+{
+ struct lis3lv02d *lis3 = spi_get_drvdata(spi);
+
+ if (!lis3->pdata->wakeup_flags)
+ lis3lv02d_poweroff(&lis3_dev);
+
+ return 0;
+}
+
+static int lis3lv02d_spi_resume(struct spi_device *spi)
+{
+ struct lis3lv02d *lis3 = spi_get_drvdata(spi);
+
+ if (!lis3->pdata->wakeup_flags)
+ lis3lv02d_poweron(lis3);
+
+ return 0;
+}
+
+#else
+#define lis3lv02d_spi_suspend NULL
+#define lis3lv02d_spi_resume NULL
+#endif
+
static struct spi_driver lis302dl_spi_driver = {
.driver = {
.name = DRV_NAME,
@@ -94,6 +119,8 @@ static struct spi_driver lis302dl_spi_driver = {
},
.probe = lis302dl_spi_probe,
.remove = __devexit_p(lis302dl_spi_remove),
+ .suspend = lis3lv02d_spi_suspend,
+ .resume = lis3lv02d_spi_resume,
};
static int __init lis302dl_init(void)
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
index 6290a259456..303c02694c3 100644
--- a/drivers/hwmon/sht15.c
+++ b/drivers/hwmon/sht15.c
@@ -562,7 +562,7 @@ static int __devinit sht15_probe(struct platform_device *pdev)
ret = sysfs_create_group(&pdev->dev.kobj, &sht15_attr_group);
if (ret) {
dev_err(&pdev->dev, "sysfs create failed");
- goto err_free_data;
+ goto err_release_gpio_data;
}
ret = request_irq(gpio_to_irq(data->pdata->gpio_data),
@@ -581,10 +581,12 @@ static int __devinit sht15_probe(struct platform_device *pdev)
data->hwmon_dev = hwmon_device_register(data->dev);
if (IS_ERR(data->hwmon_dev)) {
ret = PTR_ERR(data->hwmon_dev);
- goto err_release_gpio_data;
+ goto err_release_irq;
}
return 0;
+err_release_irq:
+ free_irq(gpio_to_irq(data->pdata->gpio_data), data);
err_release_gpio_data:
gpio_free(data->pdata->gpio_data);
err_release_gpio_sck: