ili9882_mmi: improve RESUME_BY_DDI support

ili9882_mmi: improve RESUME_BY_DDI support
for quick touch response.
NO_PROP_NEEDED

Change-Id: I1a54b94414b64de24d516acd51a5f49a1d3c566b
Signed-off-by: hujing3 <hujing3@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1798531
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key

drivers/input/touchscreen/ili9882_mmi/ili9882.c

@@ -32,6 +32,7 @@ static struct delayed_work esd_work;
 static struct delayed_work bat_work;
 
 #if RESUME_BY_DDI
+static int ili_pinctrl_select_normal(struct ilitek_ts_data *ts);
 static struct workqueue_struct	*resume_by_ddi_wq;
 static struct work_struct	resume_by_ddi_work;
 
@@ -49,6 +50,8 @@ static void ilitek_resume_by_ddi_work(struct work_struct *work)
 	else
 		ili_reset_ctrl(ilits->reset);
 
+	ili_pinctrl_select_normal(ilits);
+
 	ili_irq_enable();
 	ILI_INFO("TP resume end by wq\n");
 	ili_wq_ctrl(WQ_ESD, ENABLE);
@@ -64,7 +67,7 @@ void ili_resume_by_ddi(void)
 		return;
 	}
 
-	mutex_lock(&ilits->touch_mutex);
+//	mutex_lock(&ilits->touch_mutex);
 
 	ILI_INFO("TP resume start called by ddi\n");
 
@@ -78,8 +81,9 @@ void ili_resume_by_ddi(void)
 	ilits->ddi_rest_done = true;
 	mdelay(5);
 	queue_work(resume_by_ddi_wq, &(resume_by_ddi_work));
+	ILI_INFO("TP resume work queued\n");
 
-	mutex_unlock(&ilits->touch_mutex);
+//	mutex_unlock(&ilits->touch_mutex);
 }
 #endif
 
@@ -523,6 +527,8 @@ int ili_sleep_handler(int mode)
 		ili_wq_ctrl(WQ_BAT, ENABLE);
 		ilits->tp_suspend = false;
 		ILI_INFO("TP resume end\n");
+#else
+		ili_resume_by_ddi();
 #endif
 		ili_irq_enable();
 		break;

drivers/input/touchscreen/ili9882_mmi/ili9882.h

@@ -142,7 +142,11 @@
 #endif
 #define REGULATOR_POWER			DISABLE
 #define TP_SUSPEND_PRIO			ENABLE
+#ifdef ILI_CONFIG_RESUME_BY_DDI
+#define RESUME_BY_DDI			ENABLE
+#else
 #define RESUME_BY_DDI			DISABLE
+#endif
 #define BOOT_FW_UPDATE			ENABLE
 #define MP_INT_LEVEL			DISABLE
 #define PLL_CLK_WAKEUP_TP_RESUME	DISABLE