/**
* pm_suspend - Externally visible function for suspending the system.
* @state: System sleep state to enter.
*
* Check if the value of @state represents one of the supported states,
* execute enter_state() and update system suspend statistics.
*/
int pm_suspend(suspend_state_t state)
{
int error;
int s3_state = mid_state_to_sys_state(MID_S3_STATE);
if (state <= PM_SUSPEND_ON || state >= PM_SUSPEND_MAX)
return -EINVAL;
/* time stamp for start of s3 entry */
if (state == PM_SUSPEND_MEM)
time_stamp_for_sleep_state_latency(s3_state, true, true);
pm_suspend_marker("entry");
error = enter_state(state);
if (error) {
suspend_stats.fail++;
dpm_save_failed_errno(error);
} else {
suspend_stats.success++;
/* time stamp for end of s3 exit */
if (state == PM_SUSPEND_MEM)
time_stamp_for_sleep_state_latency(s3_state,
false, false);
}
pm_suspend_marker("exit");
return error;
}
/**
* pm_suspend - Externally visible function for suspending system.
* @state: Enumerated value of state to enter.
*
* Determine whether or not value is within range, get state
* structure, and enter (above).
*/
int pm_suspend(suspend_state_t state)
{
int ret;
if (state > PM_SUSPEND_ON && state < PM_SUSPEND_MAX) {
ret = enter_state(state);
if (ret) {
suspend_stats.fail++;
dpm_save_failed_errno(ret);
} else
suspend_stats.success++;
return ret;
}
return -EINVAL;
}
static ssize_t state_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t n)
{
#ifdef CONFIG_SUSPEND
#ifdef CONFIG_EARLYSUSPEND
suspend_state_t state = PM_SUSPEND_ON;
#else
suspend_state_t state = PM_SUSPEND_STANDBY;
#endif
const char * const *s;
#endif
char *p;
int len;
int error = -EINVAL;
p = memchr(buf, '\n', n);
len = p ? p - buf : n;
/* First, check if we are requested to hibernate */
if (len == 4 && !strncmp(buf, "disk", len)) {
error = hibernate();
goto Exit;
}
#ifdef CONFIG_SUSPEND
for (s = &pm_states[state]; state < PM_SUSPEND_MAX; s++, state++) {
if (*s && len == strlen(*s) && !strncmp(buf, *s, len))
break;
}
if (state < PM_SUSPEND_MAX && *s) {
#ifdef CONFIG_EARLYSUSPEND
if (state == PM_SUSPEND_ON || valid_state(state)) {
error = 0;
request_suspend_state(state);
}
#else
error = enter_state(state);
if (error) {
suspend_stats.fail++;
dpm_save_failed_errno(error);
} else
suspend_stats.success++;
#endif
}
#endif
Exit:
return error ? error : n;
}
/**
* pm_suspend - Externally visible function for suspending the system.
* @state: System sleep state to enter.
*
* Check if the value of @state represents one of the supported states,
* execute enter_state() and update system suspend statistics.
*/
int pm_suspend(suspend_state_t state)
{
int error;
if (state <= PM_SUSPEND_ON || state >= PM_SUSPEND_MAX)
return -EINVAL;
error = enter_state(state);
if (error) {
suspend_stats.fail++;
dpm_save_failed_errno(error);
} else {
suspend_stats.success++;
}
return error;
}
/**
* pm_suspend - Externally visible function for suspending system.
* @state: Enumerated value of state to enter.
*
* Determine whether or not value is within range, get state
* structure, and enter (above).
*/
int pm_suspend(suspend_state_t state)
{
//LGE_CHANGE_S, [[email protected]] , 2012-04-10, SuspendEarlySuspend debugfs
int ret;
if (state > PM_SUSPEND_ON && state < PM_SUSPEND_MAX) {
ret = enter_state(state);
if (ret) {
suspend_stats.fail++;
dpm_save_failed_errno(ret);
} else
suspend_stats.success++;
return ret;
}
//LGE_CHANGE_E, [[email protected]] , 2012-04-10, SuspendEarlySuspend debugfs
return -EINVAL;
}
/**
* pm_suspend - Externally visible function for suspending the system.
* @state: System sleep state to enter.
*
* Check if the value of @state represents one of the supported states,
* execute enter_state() and update system suspend statistics.
*/
int pm_suspend(suspend_state_t state)
{
int error;
if (state <= PM_SUSPEND_ON || state >= PM_SUSPEND_MAX)
return -EINVAL;
pr_info("suspend entry (%s)\n", mem_sleep_labels[state]);
error = enter_state(state);
if (error) {
suspend_stats.fail++;
dpm_save_failed_errno(error);
} else {
suspend_stats.success++;
}
pr_info("suspend exit\n");
return error;
}
/**
* pm_suspend - Externally visible function for suspending the system.
* @state: System sleep state to enter.
*
* Check if the value of @state represents one of the supported states,
* execute enter_state() and update system suspend statistics.
*/
int pm_suspend(suspend_state_t state)
{
int error;
if (state <= PM_SUSPEND_ON || state >= PM_SUSPEND_MAX)
return -EINVAL;
pm_suspend_marker("entry");
suspend_stats.entry++;//20130313, Add check total_try_suspend_count. If total_try_suspend_count == 0, it means wakelock does not unlock.
error = enter_state(state);
if (error) {
suspend_stats.fail++;
dpm_save_failed_errno(error);
} else {
suspend_stats.success++;
}
pm_suspend_marker("exit");
return error;
}
/**
* pm_suspend - Externally visible function for suspending the system.
* @state: System sleep state to enter.
*
* Check if the value of @state represents one of the supported states,
* execute enter_state() and update system suspend statistics.
*/
int pm_suspend(suspend_state_t state)
{
int error;
#ifdef CONFIG_HUAWEI_KERNEL
/* Set up_threshold to DEF_FREQUENCY_UP_THRESHOLD when system is ready to suspend */
set_up_threshold(true);
#endif
if (state <= PM_SUSPEND_ON || state >= PM_SUSPEND_MAX)
return -EINVAL;
pm_suspend_marker("entry");
error = enter_state(state);
if (error) {
suspend_stats.fail++;
dpm_save_failed_errno(error);
} else {
suspend_stats.success++;
}
pm_suspend_marker("exit");
return error;
}
/**
* pm_suspend - Externally visible function for suspending the system.
* @state: System sleep state to enter.
*
* Check if the value of @state represents one of the supported states,
* execute enter_state() and update system suspend statistics.
*/
int pm_suspend(suspend_state_t state)
{
int error;
if (state <= PM_SUSPEND_ON || state >= PM_SUSPEND_MAX)
return -EINVAL;
if (state == PM_SUSPEND_ON)
pr_jank(JL_KERNEL_PM_SUSPEND_WAKEUP, "%s, state=%d", "JL_KERNEL_PM_SUSPEND_WAKEUP", state);
else
pr_jank(JL_KERNEL_PM_SUSPEND_SLEEP, "%s, state=%d", "JL_KERNEL_PM_SUSPEND_SLEEP", state);
pm_suspend_marker("entry");
error = enter_state(state);
if (error) {
suspend_stats.fail++;
dpm_save_failed_errno(error);
} else {
suspend_stats.success++;
}
pm_suspend_marker("exit");
return error;
}
int pm_suspend(suspend_state_t state)
{
int error;
if (state <= PM_SUSPEND_ON || state >= PM_SUSPEND_MAX)
return -EINVAL;
pm_suspend_marker("entry");
#if defined(CONFIG_MACH_MSM8974_B1_KR) || defined(CONFIG_MACH_MSM8974_B1W)
suspend_marker_entry = true;
#endif
error = enter_state(state);
if (error) {
suspend_stats.fail++;
dpm_save_failed_errno(error);
} else {
suspend_stats.success++;
}
pm_suspend_marker("exit");
#if defined(CONFIG_MACH_MSM8974_B1_KR) || defined(CONFIG_MACH_MSM8974_B1W)
suspend_marker_entry = false;
#endif
return error;
}
/**
* pm_suspend - Externally visible function for suspending the system.
* @state: System sleep state to enter.
*
* Check if the value of @state represents one of the supported states,
* execute enter_state() and update system suspend statistics.
*/
int pm_suspend(suspend_state_t state)
{
int error;
if (state <= PM_SUSPEND_ON || state >= PM_SUSPEND_MAX)
return -EINVAL;
pm_suspend_marker("entry");
sleep_enter = 1;
error = enter_state(state);
if (error) {
suspend_stats.fail++;
dpm_save_failed_errno(error);
} else {
suspend_stats.success++;
}
pm_suspend_marker("exit");
sleep_enter = 0;
return error;
}
static ssize_t state_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t n)
{
#ifdef CONFIG_SUSPEND
#ifdef CONFIG_EARLYSUSPEND
suspend_state_t state = PM_SUSPEND_ON;
#else
suspend_state_t state = PM_SUSPEND_STANDBY;
#endif
const char * const *s;
#endif
char *p;
int len;
int error = -EINVAL;
p = memchr(buf, '\n', n);
len = p ? p - buf : n;
/* First, check if we are requested to hibernate */
if (len == 4 && !strncmp(buf, "disk", len)) {
error = hibernate();
goto Exit;
}
#ifdef CONFIG_SUSPEND
for (s = &pm_states[state]; state < PM_SUSPEND_MAX; s++, state++) {
if (*s && len == strlen(*s) && !strncmp(buf, *s, len))
break;
}
#ifdef CONFIG_FAST_BOOT
if (len == 4 && !strncmp(buf, "dmem", len)) {
pr_info("%s: fake shut down!!!\n", __func__);
fake_shut_down = true;
state = PM_SUSPEND_MEM;
}
#endif
#ifdef CONFIG_FAST_BOOT
if (len == 4 && !strncmp(buf, "dmem", len)) {
pr_info("%s: fake shut down!!!\n", __func__);
fake_shut_down = true;
raw_notifier_call_chain(&fsd_notifier_list,
FAKE_SHUT_DOWN_CMD_ON, NULL);
state = PM_SUSPEND_MEM;
error = 0;
}
#endif
if (state < PM_SUSPEND_MAX && *s) {
#ifdef CONFIG_EARLYSUSPEND
if (state == PM_SUSPEND_ON || valid_state(state)) {
error = 0;
request_suspend_state(state);
}
#ifdef CONFIG_FAST_BOOT
if (fake_shut_down)
wakelock_force_suspend();
#endif
#else
error = enter_state(state);
if (error) {
suspend_stats.fail++;
dpm_save_failed_errno(error);
} else
suspend_stats.success++;
#endif
}
#endif
Exit:
return error ? error : n;
}
