static ssize_t ms5607_enable_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct ms5607_data *ms5607 = i2c_get_clientdata(client);
unsigned long val;
if (strict_strtoul(buf, 10, &val))
return -EINVAL;
if (val != MS5607_SYSFS_POWERON && val != MS5607_SYSFS_POWERDOWN)
return -EINVAL;
mutex_lock(&ms5607->lock);
if (val)
ms5607_enable(ms5607);
else
ms5607_disable(ms5607);
ms5607->enabled = val;
/*
* We don't know if user space application has e.g. restarted. So
* better to report coeff data again.
*/
ms5607->report_coeff = val;
mutex_unlock(&ms5607->lock);
return count;
}
static ssize_t ms5607_enable_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct ms5607_data *ms5607 = i2c_get_clientdata(client);
unsigned long val;
if (strict_strtoul(buf, 10, &val))
return -EINVAL;
if (val != MS5607_SYSFS_POWERON && val != MS5607_SYSFS_POWERDOWN)
return -EINVAL;
mutex_lock(&ms5607->lock);
if (val)
ms5607_enable(ms5607);
else
ms5607_disable(ms5607);
ms5607->enabled = val;
mutex_unlock(&ms5607->lock);
return count;
}
static void ms5607_early_suspend(struct early_suspend *h)
{
struct ms5607_data *ms5607 = container_of(h, struct ms5607_data, es);
mutex_lock(&ms5607->lock);
if (ms5607->enabled)
ms5607_disable(ms5607);
mutex_unlock(&ms5607->lock);
}
static int ms5607_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct ms5607_data *ms5607 = i2c_get_clientdata(client);
mutex_lock(&ms5607->lock);
if (ms5607->enabled)
ms5607_disable(ms5607);
mutex_unlock(&ms5607->lock);
return 0;
}
