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synaptics_tcm: skip sleep function.

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Sleep function may cause system hungup when resume.
Skip this function as a WA for this issue.

Change-Id: Ia0d7ea61ae530d0b59c9298bcc02913adf1e741f
Signed-off-by: haojl2 <haojl2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1228833
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
haojl2 2018-08-17 11:15:02 +08:00 • committed by Jialei Hao
commit 94f8da3134
1 changed files with 20 additions and 3 deletions
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23
drivers/input/touchscreen/synaptics_tcm_mmi/synaptics_tcm_core.c
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@ -42,6 +42,8 @@
#define RESET_IF_RESUME_FAILED
#define PM_SKIP_SLEEP
#define PREDICTIVE_READING
#define MIN_READ_LENGTH 9
@ -3046,6 +3048,12 @@ static int syna_tcm_resume(struct device *dev)
tcm_hcd->enable_irq(tcm_hcd, true, NULL);
#ifdef PM_SKIP_SLEEP
LOGI(tcm_hcd->pdev->dev.parent,("skip sleep in resume\n");
retval = 0;
goto exit;
#endif
if (tcm_hcd->host_download_mode) {
retval = syna_tcm_wait_hdl(tcm_hcd);
if (retval < 0) {
@ -3149,6 +3157,11 @@ static int syna_tcm_suspend(struct device *dev)
if (tcm_hcd->in_suspend)
return 0;
#ifdef PM_SKIP_SLEEP
LOGI(tcm_hcd->pdev->dev.parent,("skip sleep in suspend\n");
goto suspend_disable_irq;
#endif
mutex_lock(&mod_pool.mutex);
if (!list_empty(&mod_pool.list)) {
@ -3163,6 +3176,7 @@ static int syna_tcm_suspend(struct device *dev)
mutex_unlock(&mod_pool.mutex);
#ifndef WAKEUP_GESTURE
suspend_disable_irq:
tcm_hcd->enable_irq(tcm_hcd, false, true);
#endif
@ -3178,7 +3192,6 @@ static int syna_tcm_early_suspend(struct device *dev)
#ifndef WAKEUP_GESTURE
int retval;
#endif
struct syna_tcm_module_handler *mod_handler;
struct syna_tcm_hcd *tcm_hcd = dev_get_drvdata(dev);
@ -3194,6 +3207,11 @@ static int syna_tcm_early_suspend(struct device *dev)
return 0;
}
#ifdef PM_SKIP_SLEEP
LOGI(tcm_hcd->pdev->dev.parent,("skip sleep in early resume\n");
goto early_suspend_disable_irq;
#endif
#ifndef WAKEUP_GESTURE
retval = tcm_hcd->sleep(tcm_hcd, true);
if (retval < 0) {
@ -3202,7 +3220,6 @@ static int syna_tcm_early_suspend(struct device *dev)
return retval;
}
#endif
mutex_lock(&mod_pool.mutex);
if (!list_empty(&mod_pool.list)) {
@ -3216,8 +3233,8 @@ static int syna_tcm_early_suspend(struct device *dev)
mutex_unlock(&mod_pool.mutex);
#ifndef WAKEUP_GESTURE
early_suspend_disable_irq:
tcm_hcd->enable_irq(tcm_hcd, false, true);
#endif