From 371e29b7421486f46c5b75c8f5b05d24e9d3bdca Mon Sep 17 00:00:00 2001
From: houdz1 <houdz1@motorola.com>
Date: Tue, 23 Jul 2019 13:42:46 +0800
Subject: [PATCH] DLKM: Compatible with different modules for focal 0flash

Since we are using different modules with the same IC(ft8756) on
sofia & sofiap, so we need to use different firmware to match different
panel, add dts property focaltech,panel-supplier for this request.

Change-Id: Ie7f74ce4437f7ee2d7f277403b448d099e1fa4dd
Signed-off-by: houdz1 <houdz1@motorola.com>
Reviewed-on: https://gerrit.mot.com/1390106
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jun Weng <wengjun1@motorola.com>
Reviewed-by: Jialei Hao <haojl2@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
---
 .../focaltech_0flash_mmi/focaltech_core.c           | 10 ++++++++++
 .../focaltech_0flash_mmi/focaltech_core.h           |  1 +
 .../focaltech_0flash_mmi/focaltech_ex_fun.c         | 13 +++++++++++++
 3 files changed, 24 insertions(+)

diff --git a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.c b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.c
index 2eb33f718c61..60e5f31fcc99 100755
--- a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.c
+++ b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.c
@@ -1218,6 +1218,7 @@ static int fts_parse_dt(struct device *dev, struct fts_ts_platform_data *pdata)
 {
     int ret = 0;
     struct device_node *np = dev->of_node;
+    struct fts_ts_data *ts_data = fts_data;
     u32 temp_val = 0;
 
     FTS_FUNC_ENTER();
@@ -1292,6 +1293,15 @@ static int fts_parse_dt(struct device *dev, struct fts_ts_platform_data *pdata)
     FTS_INFO("max touch number:%d, irq gpio:%d, reset gpio:%d",
              pdata->max_touch_number, pdata->irq_gpio, pdata->reset_gpio);
 
+	ret = of_property_read_string(np, "focaltech,panel-supplier",
+		&ts_data->panel_supplier);
+	if (ret < 0) {
+		ts_data->panel_supplier = NULL;
+		FTS_ERROR("Unable to read panel supplier\n");
+	} else {
+		FTS_INFO("panel supplier is %s", (char *)ts_data->panel_supplier);
+	}
+
     FTS_FUNC_EXIT();
     return 0;
 }
diff --git a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.h b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.h
index f0ec30425dd8..5db82b16a2d2 100755
--- a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.h
+++ b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.h
@@ -182,6 +182,7 @@ struct fts_ts_data {
     int key_state;
     int touch_point;
     int point_num;
+    const char *panel_supplier;
     struct regulator *vdd;
     struct regulator *vcc_i2c;
 #if FTS_PINCTRL_EN
diff --git a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_ex_fun.c b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_ex_fun.c
index 7c80e3661742..b7196be90c69 100755
--- a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_ex_fun.c
+++ b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_ex_fun.c
@@ -1267,6 +1267,18 @@ static ssize_t fts_log_level_store(
     return count;
 }
 
+static ssize_t fts_panel_supplier_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct fts_ts_data *data = dev_get_drvdata(dev);
+
+	if (data->panel_supplier)
+		return scnprintf(buf, PAGE_SIZE, "%s\n",
+			data->panel_supplier);
+	return 0;
+}
+static DEVICE_ATTR(panel_supplier, 0444, fts_panel_supplier_show, NULL);
+
 /* get the fw version  example:cat fw_version */
 static DEVICE_ATTR(fts_fw_version, S_IRUGO | S_IWUSR, fts_tpfwver_show, fts_tpfwver_store);
 
@@ -1326,6 +1338,7 @@ static struct attribute *fts_attributes[] = {
     &dev_attr_doreflash.attr,
     &dev_attr_poweron.attr,
     &dev_attr_productinfo.attr,
+    &dev_attr_panel_supplier.attr,
     NULL
 };