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input: misc: speed up suspend and resume for QTC800S panel

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Mount QT800S suspend and resume actions to early fb event,
so speed up touch response.

Change-Id: I1ca610131e94af806dab4dfa8709fdd9c0556971
Signed-off-by: Jin Fu <jinf@codeaurora.org>
This commit is contained in:
Jin Fu 2017-08-22 21:23:01 +08:00
parent 47b13c41e7
commit db5e493881
1 changed files with 116 additions and 52 deletions
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168
drivers/input/misc/hbtp_input.c
View file

@ -98,9 +98,10 @@ static struct hbtp_data *hbtp;
static struct kobject *sensor_kobject;
#if defined(CONFIG_FB)
static int hbtp_fb_early_suspend(struct hbtp_data *ts);
static int hbtp_fb_suspend(struct hbtp_data *ts);
static int hbtp_fb_early_resume(struct hbtp_data *ts);
static int hbtp_fb_resume(struct hbtp_data *ts);
static int hbtp_fb_revert_resume(struct hbtp_data *ts);
#endif
#if defined(CONFIG_FB)
@ -145,6 +146,7 @@ static int fb_notifier_callback(struct notifier_block *self,
lcd_state <= FB_BLANK_NORMAL) {
pr_debug("%s: receives EARLY_BLANK:POWERDOWN\n",
__func__);
hbtp_fb_early_suspend(hbtp_data);
} else {
pr_debug("%s: receives EARLY_BLANK:%d in %d state\n",
__func__, blank, lcd_state);
@ -153,10 +155,12 @@ static int fb_notifier_callback(struct notifier_block *self,
if (blank <= FB_BLANK_NORMAL) {
pr_debug("%s: receives R_EARLY_BALNK:UNBLANK\n",
__func__);
hbtp_fb_early_suspend(hbtp_data);
hbtp_fb_suspend(hbtp_data);
} else if (blank == FB_BLANK_POWERDOWN) {
pr_debug("%s: receives R_EARLY_BALNK:POWERDOWN\n",
__func__);
hbtp_fb_revert_resume(hbtp_data);
} else {
pr_debug("%s: receives R_EARLY_BALNK:%d in %d state\n",
__func__, blank, lcd_state);
@ -175,7 +179,6 @@ static int fb_notifier_callback(struct notifier_block *self,
} else if (blank <= FB_BLANK_NORMAL &&
lcd_state == FB_BLANK_POWERDOWN) {
pr_debug("%s: receives BLANK:UNBLANK\n", __func__);
hbtp_fb_resume(hbtp_data);
} else {
pr_debug("%s: receives BLANK:%d in %d state\n",
__func__, blank, lcd_state);
@ -1192,6 +1195,43 @@ error:
return rc;
}
static int hbtp_fb_early_suspend(struct hbtp_data *ts)
{
int rc = 0;
char *envp[2] = {HBTP_EVENT_TYPE_DISPLAY, NULL};
mutex_lock(&hbtp->mutex);
if (ts->pdev && (!ts->power_sync_enabled)) {
pr_debug("%s: power_sync is not enabled\n", __func__);
if (ts->input_dev) {
kobject_uevent_env(&ts->input_dev->dev.kobj,
KOBJ_OFFLINE, envp);
if (ts->power_sig_enabled) {
pr_debug("%s: power_sig is enabled, wait for signal\n",
__func__);
mutex_unlock(&hbtp->mutex);
rc = wait_for_completion_interruptible(
&hbtp->power_suspend_sig);
if (rc != 0) {
pr_err("%s: wait for early suspend is interrupted\n",
__func__);
}
mutex_lock(&hbtp->mutex);
pr_debug("%s: Wait is done for early suspend\n",
__func__);
} else {
pr_debug("%s: power_sig is NOT enabled",
__func__);
}
}
}
mutex_unlock(&hbtp->mutex);
return rc;
}
static int hbtp_fb_suspend(struct hbtp_data *ts)
{
int rc;
@ -1217,26 +1257,28 @@ static int hbtp_fb_suspend(struct hbtp_data *ts)
goto err_power_disable;
}
ts->power_suspended = true;
}
if (ts->input_dev) {
kobject_uevent_env(&ts->input_dev->dev.kobj,
KOBJ_OFFLINE, envp);
if (ts->input_dev) {
kobject_uevent_env(&ts->input_dev->dev.kobj,
KOBJ_OFFLINE, envp);
if (ts->power_sig_enabled) {
pr_debug("%s: power_sig is enabled, wait for signal\n",
__func__);
mutex_unlock(&hbtp->mutex);
rc = wait_for_completion_interruptible(
&hbtp->power_suspend_sig);
if (rc != 0) {
pr_err("%s: wait for suspend is interrupted\n",
__func__);
if (ts->power_sig_enabled) {
pr_debug("%s: power_sig is enabled, wait for signal\n",
__func__);
mutex_unlock(&hbtp->mutex);
rc = wait_for_completion_interruptible(
&hbtp->power_suspend_sig);
if (rc != 0) {
pr_err("%s: wait for suspend is interrupted\n",
__func__);
}
mutex_lock(&hbtp->mutex);
pr_debug("%s: Wait is done for suspend\n",
__func__);
} else {
pr_debug("%s: power_sig is NOT enabled",
__func__);
}
mutex_lock(&hbtp->mutex);
pr_debug("%s: Wait is done for suspend\n", __func__);
} else {
pr_debug("%s: power_sig is NOT enabled", __func__);
}
}
@ -1278,39 +1320,40 @@ static int hbtp_fb_early_resume(struct hbtp_data *ts)
goto err_pin_enable;
}
ts->power_suspended = false;
if (ts->input_dev) {
kobject_uevent_env(&ts->input_dev->dev.kobj,
KOBJ_ONLINE, envp);
if (ts->power_sig_enabled) {
pr_err("%s: power_sig is enabled, wait for signal\n",
__func__);
mutex_unlock(&hbtp->mutex);
rc = wait_for_completion_interruptible(
&hbtp->power_resume_sig);
if (rc != 0) {
pr_err("%s: wait for resume is interrupted\n",
__func__);
}
mutex_lock(&hbtp->mutex);
pr_debug("%s: wait is done\n", __func__);
} else {
pr_debug("%s: power_sig is NOT enabled\n",
__func__);
}
if (ts->fb_resume_seq_delay) {
usleep_range(ts->fb_resume_seq_delay,
if (ts->fb_resume_seq_delay) {
usleep_range(ts->fb_resume_seq_delay,
ts->fb_resume_seq_delay +
HBTP_HOLD_DURATION_US);
pr_err("%s: fb_resume_seq_delay = %u\n",
pr_debug("%s: fb_resume_seq_delay = %u\n",
__func__, ts->fb_resume_seq_delay);
}
ts->power_suspended = false;
}
if (ts->input_dev) {
kobject_uevent_env(&ts->input_dev->dev.kobj,
KOBJ_ONLINE, envp);
if (ts->power_sig_enabled) {
pr_err("%s: power_sig is enabled, wait for signal\n",
__func__);
mutex_unlock(&hbtp->mutex);
rc = wait_for_completion_interruptible(
&hbtp->power_resume_sig);
if (rc != 0) {
pr_err("%s: wait for resume is interrupted\n",
__func__);
}
mutex_lock(&hbtp->mutex);
pr_debug("%s: wait is done\n", __func__);
} else {
pr_debug("%s: power_sig is NOT enabled\n",
__func__);
}
}
mutex_unlock(&hbtp->mutex);
return 0;
@ -1321,20 +1364,41 @@ err_power_on:
return rc;
}
static int hbtp_fb_resume(struct hbtp_data *ts)
static int hbtp_fb_revert_resume(struct hbtp_data *ts)
{
char *envp[2] = {HBTP_EVENT_TYPE_DISPLAY, NULL};
int rc = 0;
mutex_lock(&hbtp->mutex);
if (!ts->power_sync_enabled) {
pr_debug("%s: power_sync is disabled, send uevent\n", __func__);
pr_debug("%s: hbtp_fb_revert_resume\n", __func__);
if (ts->pdev && (!ts->power_sync_enabled)) {
pr_debug("%s: power_sync is not enabled\n", __func__);
if (ts->input_dev) {
kobject_uevent_env(&ts->input_dev->dev.kobj,
KOBJ_ONLINE, envp);
KOBJ_ONLINE, envp);
if (ts->power_sig_enabled) {
pr_debug("%s: power_sig is enabled, wait for signal\n",
__func__);
mutex_unlock(&hbtp->mutex);
rc = wait_for_completion_interruptible(
&hbtp->power_resume_sig);
if (rc != 0) {
pr_warn("%s: wait for revert resume is interrupted\n",
__func__);
}
pr_debug("%s: wait is done\n", __func__);
} else {
pr_debug("%s: power_sig is NOT enabled\n",
__func__);
}
}
}
mutex_unlock(&hbtp->mutex);
return 0;
return rc;
}
static int hbtp_pdev_probe(struct platform_device *pdev)