static int pcmcia_bus_suspend_callback(struct device *dev, void * _data)
{
struct pcmcia_socket *skt = _data;
struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
if (p_dev->socket != skt)
return 0;
return dpm_runtime_suspend(dev, PMSG_SUSPEND);
}
static ssize_t state_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t n)
{
pm_message_t state;
char * rest;
int error = 0;
state.event = simple_strtoul(buf, &rest, 10);
if (*rest)
return -EINVAL;
if (state.event)
error = dpm_runtime_suspend(dev, state);
else
dpm_runtime_resume(dev);
return error ? error : n;
}
static ssize_t state_store(struct device * dev, const char * buf, size_t n)
{
u32 state;
char * rest;
int error = 0;
state = simple_strtoul(buf, &rest, 10);
if (*rest)
return -EINVAL;
if (state)
error = dpm_runtime_suspend(dev, state);
else
dpm_runtime_resume(dev);
return error ? error : n;
}
static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
int ret = 0;
if (!count)
return -EINVAL;
if ((p_dev->dev.power.power_state.event == PM_EVENT_ON) &&
(!strncmp(buf, "off", 3)))
ret = dpm_runtime_suspend(dev, PMSG_SUSPEND);
else if ((p_dev->dev.power.power_state.event != PM_EVENT_ON) &&
(!strncmp(buf, "on", 2)))
dpm_runtime_resume(dev);
return ret ? ret : count;
}
