input: focaltech_0flash_v2_mmi: add initial pinctrl feature support

Modify:
	Add focaltech_0flash_v2_mmi touchscreen driver support for pinctrl.

Change-Id: Id8bf827db59cf064a174b0dae90742c53fa9c120
Reviewed-on: https://gerrit.mot.com/2380648
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Wei Deng <dengwei1@motorola.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key

drivers/input/touchscreen/focaltech_0flash_v2_mmi/Android.mk

@@ -27,6 +27,10 @@ ifneq ($(BOARD_USES_PANEL_NOTIFICATIONS),)
 	KERNEL_CFLAGS += CONFIG_INPUT_FOCALTECH_PANEL_NOTIFICATIONS=y
 endif
 
+ifneq ($(FOCALTECH_PINCTRL_ENABLE),)
+	KERNEL_CFLAGS += CONFIG_INPUT_FOCALTECH_PINCTRL_EN=y
+endif
+
 include $(CLEAR_VARS)
 LOCAL_MODULE := focaltech_0flash_v2_mmi.ko
 LOCAL_MODULE_TAGS := optional

drivers/input/touchscreen/focaltech_0flash_v2_mmi/Kbuild

@@ -38,4 +38,8 @@ endif
 ifneq ($(filter ft8057,$(CONFIG_INPUT_FOCALTECH_0FLASH_MMI_IC_NAME)),)
 EXTRA_CFLAGS += -DCONFIG_INPUT_FOCALTECH_0FLASH_MMI_IC_NAME_FT8057
 endif
+
+ifneq ($(filter m y,$(CONFIG_INPUT_FOCALTECH_PINCTRL_EN)),)
+EXTRA_CFLAGS += -DFOCALTECH_PINCTRL_EN
+endif
 KBUILD_EXTRA_SYMBOLS += $(CURDIR)/../../kernel/msm-$(MODULE_KERNEL_VERSION)/Module.symvers

drivers/input/touchscreen/focaltech_0flash_v2_mmi/focaltech_config.h

@@ -251,8 +251,11 @@
  * Pinctrl enable
  * default: disable
  */
+#ifdef FOCALTECH_PINCTRL_EN
+#define FTS_PINCTRL_EN                          1
+#else
 #define FTS_PINCTRL_EN                          0
-
+#endif
 /*
  * Customer power enable
  * enable it when customer need control TP power

drivers/input/touchscreen/focaltech_0flash_v2_mmi/focaltech_core.c

@@ -1164,10 +1164,6 @@ static int fts_buffer_init(struct fts_ts_data *ts_data)
     return 0;
 }
 
-#if FTS_POWER_SOURCE_CUST_EN
-/*****************************************************************************
-* Power Control
-*****************************************************************************/
 #if FTS_PINCTRL_EN
 static int fts_pinctrl_init(struct fts_ts_data *ts)
 {
@@ -1260,6 +1256,10 @@ static int fts_pinctrl_select_release(struct fts_ts_data *ts)
 }
 #endif /* FTS_PINCTRL_EN */
 
+/*****************************************************************************
+* Power Control
+*****************************************************************************/
+#if FTS_POWER_SOURCE_CUST_EN
 static int fts_power_source_ctrl(struct fts_ts_data *ts_data, int enable)
 {
     int ret = 0;
@@ -1960,6 +1960,11 @@ static int fts_ts_probe_entry(struct fts_ts_data *ts_data)
     }
 #endif
 
+#if FTS_PINCTRL_EN && (!FTS_POWER_SOURCE_CUST_EN)
+    fts_pinctrl_init(ts_data);
+    fts_pinctrl_select_normal(ts_data);
+#endif
+
 #if (!FTS_CHIP_IDC)
     fts_reset_proc(200);
 #endif
@@ -2084,6 +2089,11 @@ err_irq_req:
 err_power_init:
     fts_power_source_exit(ts_data);
 #endif
+
+#if FTS_PINCTRL_EN && (!FTS_POWER_SOURCE_CUST_EN)
+    fts_pinctrl_select_release(ts_data);
+#endif
+
     if (gpio_is_valid(ts_data->pdata->reset_gpio))
         gpio_free(ts_data->pdata->reset_gpio);
     if (gpio_is_valid(ts_data->pdata->irq_gpio))
@@ -2173,6 +2183,10 @@ static int fts_ts_remove_entry(struct fts_ts_data *ts_data)
     fts_power_source_exit(ts_data);
 #endif
 
+#if FTS_PINCTRL_EN && (!FTS_POWER_SOURCE_CUST_EN)
+    fts_pinctrl_select_release(ts_data);
+#endif
+
     kfree_safe(ts_data->touch_buf);
     kfree_safe(ts_data->pdata);
     kfree_safe(ts_data);
@@ -2247,6 +2261,9 @@ static int fts_ts_suspend(struct device *dev)
 #endif
     }
 
+#if FTS_PINCTRL_EN && (!FTS_POWER_SOURCE_CUST_EN)
+    fts_pinctrl_select_suspend(ts_data);
+#endif
     fts_release_all_finger();
     ts_data->suspended = true;
     FTS_FUNC_EXIT();
@@ -2284,6 +2301,11 @@ static int fts_ts_resume(struct device *dev)
         fts_reset_proc(200);
     }
 
+
+#if FTS_PINCTRL_EN && (!FTS_POWER_SOURCE_CUST_EN)
+    fts_pinctrl_select_normal(ts_data);
+#endif
+
     fts_wait_tp_to_valid();
     fts_ex_mode_recovery(ts_data);