From ce773471418fa41be09ea0b18a8c59f40c85e04a Mon Sep 17 00:00:00 2001
From: wengjun1 <wengjun1@motorola.com>
Date: Wed, 25 Sep 2019 18:14:54 +0800
Subject: [PATCH] DLKM: Sync focaltech_0flash_mmi code with bq-sh2019

- (CR): focaltech_0flash_mmi: set deep sleep when predict failed
- (CR): focaltech_0flash_mmi: set reset pin to 0 if vio is close
- Release all fingers when resume

Change-Id: Ia6b8169d560951c3407a8c2b28b2d21d071bf710
Signed-off-by: wengjun1 <wengjun1@motorola.com>
Reviewed-on: https://gerrit.mot.com/1427799
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Yeqing Wang <wangyq13@motorola.com>
Reviewed-by: Hujun Liao <liaohj@motorola.com>
Submit-Approved: Jira Key
---
 .../focaltech_0flash_mmi/focaltech_core.c     | 22 +++++++++++++++++++
 .../focaltech_0flash_mmi/focaltech_core.h     |  1 +
 2 files changed, 23 insertions(+)

diff --git a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.c b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.c
index a53718f9d638..1b39bbab3516 100755
--- a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.c
+++ b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.c
@@ -1520,6 +1520,10 @@ static int fts_parse_dt(struct device *dev, struct fts_ts_platform_data *pdata)
     if (pdata->share_reset_gpio)
         FTS_INFO("TP reset pin is shared with LCD");
 
+    pdata->always_on_vio = of_property_read_bool(np, "focaltech,always_on_vio");
+    if (pdata->always_on_vio)
+        FTS_INFO("TP VIO always on.");
+
     pdata->irq_gpio = of_get_named_gpio_flags(np, "focaltech,irq-gpio",
                       0, &pdata->irq_gpio_flags);
     if (pdata->irq_gpio < 0)
@@ -1600,6 +1604,12 @@ int drm_notifier_callback(struct notifier_block *self,
                 FTS_INFO("palm detection is enabled");
                 return 1;
             }
+#endif
+#ifdef FOCALTECH_SENSOR_EN
+            if (fts_data->should_enable_gesture) {
+                FTS_INFO("double tap gesture suspend\n");
+                return 1;
+            }
 #endif
         } else if (MSM_DRM_EVENT_BLANK == event) {
             FTS_INFO("suspend: event = %lu, not care\n", event);
@@ -2077,6 +2087,11 @@ static int _fts_ts_suspend(struct device *dev)
 #endif
     }
 
+    if (!ts_data->pdata->always_on_vio) {
+        FTS_INFO("Set reset pin to 0 in suspend.");
+        gpio_direction_output(ts_data->pdata->reset_gpio, 0);
+    }
+
     fts_release_all_finger();
     ts_data->suspended = true;
     FTS_FUNC_EXIT();
@@ -2114,6 +2129,8 @@ static int _fts_ts_resume(struct device *dev)
         return 0;
     }
 
+    fts_release_all_finger();
+
     if (!ts_data->ic_info.is_incell) {
 #if FTS_POWER_SOURCE_CUST_EN
         fts_power_source_resume(ts_data);
@@ -2121,6 +2138,11 @@ static int _fts_ts_resume(struct device *dev)
         //fts_reset_proc(200);
     }
 
+    if (!ts_data->pdata->always_on_vio) {
+        FTS_INFO("Reset IC in resume");
+        fts_reset_proc(200);
+    }
+
     fts_tp_state_recovery(ts_data);
 
 #if FTS_ESDCHECK_EN
diff --git a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.h b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.h
index ca0f0360b226..447555bfd85c 100755
--- a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.h
+++ b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.h
@@ -135,6 +135,7 @@ struct fts_ts_platform_data {
     u32 irq_gpio_flags;
     u32 reset_gpio;
     u32 reset_gpio_flags;
+    bool always_on_vio;
     bool share_reset_gpio;
     bool have_key;
     u32 key_number;