From 5942749eed4654ae1a41f07fbc7ca1d894d4477a Mon Sep 17 00:00:00 2001
From: Konstantin Makariev <hcv867@motorola.com>
Date: Tue, 22 Oct 2019 14:51:31 -0500
Subject: [PATCH] sec_mmi: use stubs for unavailable functions

For bringup purpose adding stubs for the functions from other DLKM
not available at the moment.

Change-Id: I91c42f0c4472db606b871b10a1c64217fd3fd635
Signed-off-by: Konstantin Makariev <hcv867@motorola.com>
Reviewed-on: https://gerrit.mot.com/1441361
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Konstantin Makariev <kmakariev@motorola.com>
Submit-Approved: Jira Key
---
 drivers/input/touchscreen/sec_mmi/Kbuild      |  5 +++++
 .../input/touchscreen/sec_mmi/sec_ts_mmi.c    | 22 ++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/sec_mmi/Kbuild b/drivers/input/touchscreen/sec_mmi/Kbuild
index 46ebdbd70dff..abebaae16028 100644
--- a/drivers/input/touchscreen/sec_mmi/Kbuild
+++ b/drivers/input/touchscreen/sec_mmi/Kbuild
@@ -4,5 +4,10 @@ EXTRA_CFLAGS += \
 		-I$(TOP)/motorola/kernel/modules/include \
 		-I$(TOP)/motorola/kernel/modules/drivers/input/touchscreen/sec_mmi
 
+ifneq (,$(filter smith%,$(TARGET_PRODUCT)))
+# MMI_STOPSHIP LSI: remove when all DLKM available
+EXTRA_CFLAGS += -DUSE_STUBS
+endif
+
 obj-m := sec_mmi.o
 sec_mmi-objs = sec_ts.o sec_ts_fn.o sec_ts_fw.o sec_ts_mmi.o sec_cmd.o sec_ts_only_vendor.o
diff --git a/drivers/input/touchscreen/sec_mmi/sec_ts_mmi.c b/drivers/input/touchscreen/sec_mmi/sec_ts_mmi.c
index 44753ef35ecb..93e49034aa17 100644
--- a/drivers/input/touchscreen/sec_mmi/sec_ts_mmi.c
+++ b/drivers/input/touchscreen/sec_mmi/sec_ts_mmi.c
@@ -28,12 +28,32 @@
 #include <linux/of_gpio.h>
 #include <linux/time.h>
 #include <linux/vmalloc.h>
-#include <linux/uaccess.h>
 #include <soc/qcom/mmi_boot_info.h>
 
 #include "sec_ts.h"
 #include "sec_mmi.h"
 
+#if defined(USE_STUBS)
+static struct class *local_touchscreen_class;
+struct class *get_touchscreen_class_ptr(void)
+{
+	pr_info("sec_mmi: stub %s\n", __func__);
+	return local_touchscreen_class;
+}
+void set_touchscreen_class_ptr(struct class *ptr)
+{
+	pr_info("sec_mmi: stub %s\n", __func__);
+	local_touchscreen_class = ptr;
+}
+bool dsi_display_is_panel_enable(int ctrl_dsi, int *probe_status, char **pname)
+{
+	pr_info("sec_mmi: stub %s\n", __func__);
+	*probe_status = 0;
+	*pname = "csot_620_876x2142_cmd_display_v1";
+	return true;
+}
+#endif
+
 /* MMI specific sysfs entries and API */
 static ssize_t sec_mmi_reset_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t size);